SYSTEM DISPLAY - FUEL PAGE - DESCRIPTION AND OPERATION

** ON A/C NOT FOR ALL

1. FUEL Page
The FUEL Page shows 29 parameters:

SD - FUEL Page - 29 Parameters ** ON A/C NOT FOR ALL

Item 1: Left inner-tank fuel-quantity

Item 2: Left inner-tank fuel-temperature

Item 3: Left transfer valve

Item 4: Left outer-tank fuel-temperature

Item 5: Left outer-tank fuel-quantity

Item 6: Left tank pumps 1 and 2

Item 7: APU fuel LP-valve

Item 8: Engine 1 fire-valve (or LP valve)

Item 9: Fuel used - Engine 1

Item 10: Engine number

Item 11: Total fuel used

Item 12: Fuel used - Engine 2

Item 13: Engine number

Item 14: Engine 2 fire-valve (or LP valve)

Item 15: Fuel crossfeed valve

Item 16: Right tank pumps 2 and 1(number 1 on the left side and number 2 on the right side)

Item 17: Right outer-tank fuel-quantity

Item 18: Right transfer valve

Item 19: Right outer-tank fuel-temperature

Item 20: Right inner-tank fuel-temperature

Item 21: Right inner-tank fuel-quantity

Item 22: Center-tank pump 2

Item 23: Center-tank fuel quantity

Item 24: Fuel On Board (FOB)

Item 25: Total fuel flow

Item 26: Center-to-inner tank transfer

Item 27: Additional Center Tank (ACT) transfer

Item 28: ACT fuel quantity

Item 29: Forward ACT isolation-valve.

The FUEL page shows 23 parameters:

SD - FUEL Page - Display of the 21 Parameters ** ON A/C NOT FOR ALL

SD - FUEL Page - 23 Parameters ** ON A/C NOT FOR ALL

Item 1: Right cell fuel-quantity

Item 2: Right cell fuel-temperature

Item 3: Center tank fuel-quantity

Item 4: Left cell fuel-temperature

Item 5: Left cell fuel-quantity

Item 6: Left tank pumps

Item 7: APU fuel LP-valve

Item 8: Engine 1 fire-valve

Item 9: Fuel used - Engine 1

Item 10: Engine number

Item 11: Total fuel used

Item 12: Fuel used - Engine 2

Item 13: Engine number

Item 14: Engine 2 fire-valve

Item 15: Fuel crossfeed valve

Item 16: Right tank pumps

Item 17: Center tank pumps

Item 18: Center-to-inner tank transfer-indication

Item 19: Total fuel flow

Item 20: Additional Center Tank (ACT) fuel quantity

Item 21: Fuel On Board (FOB)

Item 22: ACT transfer

Item 23: Forward ACT isolation-valve.

The FUEL Page is described in the following figure with its 25 parameters as follows:

SD - FUEL Page - Display of the 25 Parameters ** ON A/C NOT FOR ALL

Item 1: Left inner cell fuel quantity

Item 2: Left inner cell temperature

Item 3: Left transfer valve

Item 4: Left outer cell temperature

Item 5: Left outer cell fuel quantity

Item 6: Left tank pumps 1 & 2

Item 7: APU fuel LP valve

Item 8: Engine 1 fire valve (or LP valve)

Item 9: Fuel used - Engine 1

Item 10: Engine related number

Item 11: Total fuel used

Item 12: Fuel used - Engine 2

Item 13: Engine number

Item 14: Engine 2 fire valve (or LP valve)

Item 15: Fuel Xfeed valve

Item 16: Right tank pumps 2 & 1(n°1 on the left side, n°2 on the right)

Item 17: Right outer cell fuel quantity

Item 18: Right transfer valve

Item 19: Right outer cell temperature

Item 20: Right inner cell temperature

Item 21: Right inner cell fuel quantity

Item 22: Center tank pump 2

Item 23: Center tank fuel quantity

Item 24: Fuel on board indication

Item 25: Total fuel flow indication.

The FUEL Page is described in the following figure with its 26 parameters as follows:

SD - FUEL Page - 23 Parameters

SD - FUEL Page - Display of the 19 Parameters ** ON A/C NOT FOR ALL

SD - FUEL Page - Display of the 25 Parameters ** ON A/C NOT FOR ALL

SD - FUEL Page - Display of the 21 Parameters ** ON A/C NOT FOR ALL

SD - FUEL Page - Display of the 27 Parameters ** ON A/C NOT FOR ALL

Item 1: Left inner cell fuel quantity

Item 2: Left inner cell temperature

Item 3: Left transfer valve

Item 4: Left outer cell temperature

Item 5: Left outer cell fuel quantity

Item 6: Left tank pumps 1 & 2

Item 7: APU fuel LP valve

Item 8: Engine 1 fire valve (or LP valve)

Item 9: Fuel used - Engine 1

Item 10: Engine related number

Item 11: Total fuel used

Item 12: Fuel used - Engine 2

Item 13: Engine number

Item 14: Engine 2 fire valve (or LP valve)

Item 15: Fuel Xfeed valve

Item 16: Right tank pumps 2 & 1(n°1 on the left side, n°2 on the right)

Item 17: Right outer cell fuel quantity

Item 18: Right transfer valve

Item 19: Right outer cell temperature

Item 20: Right inner cell temperature

Item 21: Right inner cell fuel quantity

Item 22: Center tank pump 2

Item 23: Center tank fuel quantity

Item 24: Fuel on board indication

Item 25: Total fuel flow indication

Item 26: Center to inner transfer indication

Item 27: ACT transfer (if installed).

The FUEL Page is described in the following figure with its 23 parameters as follows:

SD - FUEL Page - Display of the 23 Parameters ** ON A/C NOT FOR ALL

Item 1: Left inner cell fuel quantity

Item 2: Left inner cell temperature

Item 3: Left transfer valve

Item 4: Left outer cell temperature

Item 5: Left outer cell fuel quantity

Item 6: Left tank pumps

Item 7: APU fuel LP valve

Item 8: Engine 1 fire valve

Item 9: Fuel used - Engine 1

Item 10: Engine number

Item 11: Fuel on board (FOB) or total fuel

Item 12: Fuel used - Engine 2

Item 13: Engine number

Item 14: Engine 2 fire valve

Item 15: Fuel Xfeed valve

Item 16: Right tank pumps

Item 17: Right outer cell fuel quantity

Item 18: Right transfer valve

Item 19: Right outer cell temperature

Item 20: Right inner cell temperature

Item 21: Right inner cell fuel quantity

Item 22: Center tank pumps

Item 23: Center tank fuel quantity.

The symbols related to these indications are described hereafter:

A. Item 1:
Left inner cell fuel quantity

FUEL Page - Display of the Parameters: TRANSFER VALVE POSITION, INNER/OUTER FUEL QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Wing-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: TRANSFER VALVE POSITION, INNER/OUTER FUEL QUANTITY ** ON A/C NOT FOR ALL

Right wing cell fuel quantity

FUEL Page - Display of the Parameters: WING TANKS FUEL QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Right-Cell Fuel-Quantity Parameter ** ON A/C NOT FOR ALL

Digital value from the FQI. The display can vary from 0 to 9990 KG, with 10 KG resolution.
Digital value from the FQI are displayed on 4 digits for KG.
The display can vary from:
- 0 to 9,990 KG by step of 10KG
Digital value from the FQI are displayed on 4 digits for KG and 5 digits for LBS.
The display can vary from:
- 0 to 9,990 KG by step of 10KG or
- 0 to 99,980 LBS by step of 20 LBS.
Left inner cell fuel quantity

FUEL Page - Display of the Parameters: TRANSFER VALVE POSITION, INNER/OUTER FUEL QUANTITY ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 5990 KG, with 10 KG resolution.
Left inner cell fuel quantity

FUEL Page - Display of the Parameters: TRANSFER VALVE POSITION, INNER/OUTER FUEL QUANTITY ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 13180 LBS, with 20 LBS resolution.
Right cell fuel quantity

Digital value from the FQI. The display can vary from 0 to 99980 LBS with 20 LBS resolution.

(1) Case 1:
It is normally displayed in green.

(2) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with two amber lines across.

(3) Case 3:
The digital value is replaced by amber XX, when the information is not available from the FQI bus.

(4) Case 4:
It is displayed in amber when:

DC battery/DC essential shedding contactor is closed
and
There is a confirmed wing tank overflow (five second confirmation time) or a confirmed wing tank overflow cleared in last five seconds.

(5) Case 1:
It is normally displayed in green.

(6) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with two amber lines across.

(7) Case 3:
The digital value is replaced by amber XX, when the information is not available from the FQI bus.

(8) Case 1:
It is normally displayed in green.

(9) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are set to zero with amber lines across.

(10) Case 3:
The digital value is replaced by amber XX, when the information is not available from the FQI bus.

(11) Case 1:
It is normally displayed in green.

(12) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are set to zero with amber lines across.

(13) Case 3:
The digital value is replaced by amber XX, when the information is not available from the FQI bus.

(14) Case 1:
It is normally displayed in green.

(15) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are set to zero with amber lines across.

(16) Case 3:
The value displayed is replaced by amber XX, when the information is not available from the FQI bus.

(17) Case 4:
In case of wing tank overflow, the value is displayed in amber.

B. Item 2:
Left inner cell temperature

FUEL Page - Display of the Parameters: INNER/OUTER FUEL TEMPERATURE ** ON A/C NOT FOR ALL

FUEL Page - Wing-Tank Fuel-Temperature Parameters ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: INNER/OUTER FUEL TEMPERATURE ** ON A/C NOT FOR ALL

Right cell fuel temperature

FUEL Page - Display of the Parameters: WING TANK FUEL TEMPERATURE ** ON A/C NOT FOR ALL

FUEL Page - Right-Cell Fuel-Temperature Parameter ** ON A/C NOT FOR ALL

Digital value from the FQI. The display can vary from -99 to +99 deg.C with 1 deg.C resolution.
Digital value from the FQI. The display can vary from -99 to 999 deg.C with 1 deg.C resolution.

(1) Case 1:
It is normally displayed in green.

(2) Case 2:
It becomes pulsing green when either the high or the low temperature advisory is reached.

(3) Case 3:
It turns amber when either the high or the low limit of the inner cell temperature is reached.

(4) Case 4:
The value displayed is replaced by amber XX, when no valid data are available.

C. Item 3:
Center tank fuel quantity

Digital value from FQI. The display can vary from 0 to 9990 KG with 10 KG resolution.
Center tank fuel quantity

Digital value from FQI. The display can vary from 0 to 99980 LBS with 20 LBS resolution.
Left fuel transfer valve

FUEL Page - Display of the Parameters: TRANSFER VALVE POSITION, INNER/OUTER FUEL QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Wing-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

Left fuel transfer valve

FUEL Page - Display of the Parameters: TRANSFER VALVE POSITION, INNER/OUTER FUEL QUANTITY ** ON A/C NOT FOR ALL

(1) Case 1:
It is normally displayed in green.

(2) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with amber lines.

(3) Case 3:
The value displayed is replaced by amber XX, when the information is not available from the FQI bus.

(4) Case 4:
The digital value is displayed in an amber box when the center tank pumps are faulty.

(5) Case 1:
It is normally displayed in green.

(6) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with two amber lines.

(7) Case 3:
The value displayed is replaced by amber XX, when the information is not available from the FQI bus.

(8) Case 4:
The digital value is displayed in half an amber box when the center tank pump are faulty and when the engine 1 or 2 is at IDLE or above.

(9) Case 1:
Valve closed
No triangle is displayed when the valve is normally closed.

(10) Case 2:
Valve open and green
when at least one valve is normally fully open,

(11) Case 3:
Valve amber in a transitional status
when rear transfer valve is neither fully open nor fully closed at a time,
OR when the forward transfer valve is neither fully closed nor fully open at a time AND the DC2 bus is ON.

(12) Case 4:
Valve open and amber
when both valves are fully open and any transfer valve fails to shut,

(13) Case 5:
Valve replaced by amber XX
when the valve status is not known, or one received valve status is inconsistent (valve fully closed with valve fully open at a time).

(14) Case 1:
Valve closed and green
when the valve is normally closed.

(15) Case 2:
Valve open and green
when the valve is normally not fully closed

(16) Case 3:
Valve open and amber
when the valve is abnormally fully open

(17) Case 4:
Valve closed and amber
when there is a low level in the wing tank

(18) Case 5:
Valve partially open and amber
when the valve is neither fully closed nor fully open

(19) Case 6:
Valve replaced by amber XX
when the valve status is not known.

D. Item 4:
Left outer cell temperature

FUEL Page - Display of the Parameters: INNER/OUTER FUEL TEMPERATURE ** ON A/C NOT FOR ALL

FUEL Page - Wing-Tank Fuel-Temperature Parameters ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: INNER/OUTER FUEL TEMPERATURE ** ON A/C NOT FOR ALL

Left cell fuel temperature
Refer to item 2 where the same processing applies.

Digital value from the FQI. The display can vary from -99 to +99 deg.C with 1 deg.C resolution.

Digital value from the FQI. The display can vary from -99 to +999 deg.C with 1 deg.C resolution.

(1) Case 1:
It is normally displayed in green.

(2) Case 2:
It becomes pulsing green when either the high or the low temperature advisory is reached.

(3) Case 3:
It turns amber when either the high or the low limit of the outer cell temperature is reached.

(4) Case 4:
The value displayed is replaced by amber XX, when no valid data are available.

(5) Case 5:
No data is displayed if the outer cell temperature probe is in a dry state.

E. Item 5:
Left outer cell fuel quantity

FUEL Page - Display of the Parameters: TRANSFER VALVE POSITION, INNER/OUTER FUEL QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Wing-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: TRANSFER VALVE POSITION, INNER/OUTER FUEL QUANTITY ** ON A/C NOT FOR ALL

Left cell fuel quantity
Refer to item 1 where the same processing applies.

Digital value from FQI. The display can vary from 0 to 990 KG, with 10 KG resolution.

Digital value from FQI. The display can vary from 0 to 9,980 LBS, with 20 LBS resolution.

Digital value from the FQI are displayed on 3 digits for KG and 4 digits for LBS.
The display can vary from:
- 0 to 990 KG by step of 10KG or
- 0 to 9,980 LBS by step of 20 LBS.

(1) Case 1:
It is normally displayed in green.

(2) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with two amber lines across.

(3) Case 3:
The value displayed is replaced by amber XX, when the information is not available from the FQI bus.

(4) Case 4:
The digital value is displayed in an amber box when the onside wing transfer valve is faulty.

F. Item 6:
Left tank pumps

FUEL Page - Display of the Parameters: TANKs PUMPs and CENTER TO INNER TRANSFERS ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: TANKs PUMPs ** ON A/C NOT FOR ALL

FUEL Page - Tank Pump Parameters and Center-to-Inner Tank Transfer-Parameter ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: TANKs PUMPs and CENTER TO INNER TRANSFERS ** ON A/C NOT FOR ALL

FUEL Page - Tank Pump Parameters and Center-to-Inner Tank Transfer-Parameter ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: TANKs PUMPs ** ON A/C NOT FOR ALL

(1) Case 1:
The pump symbol is normally displayed in green.

(2) Case 2:
It turns amber when the pump is not supplied (when the pump contactor is OFF).

(3) Case 2
The pump 1 (the left one whatever the engine 1 or 2) turns amber when the pump1 is not supplied.
The pump 2 (the right one) turns amber when the pump2 is not supplied, and the DC2 bus is ON.

(4) Case 3:
In case of low pressure, LO is displayed in amber.

(5) Case 3:
In case of low pressure of the pump 1 LO is displayed in amber.
In case of low pressure of the pump 2, or if the DC2 bus is OFF, LO is displayed in amber.

(6) Case 4:
It is replaced by amber XX when no valid data are available.

G. Item 7:
APU fuel LP valve

FUEL Page - Display of the Parameters: ENGINE FIRE VALVE and APU FUEL LP VALVE ** ON A/C NOT FOR ALL

FUEL Page - Engine Fire-Value Parameter and APU-Fuel LP-Valve Parameter ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: ENGINE FIRE VALVE and APU FUEL LP VALVE ** ON A/C NOT FOR ALL

FUEL Page - Enigne Fire-Valve Parameter and APU-Fuel LP-Valve Parameter ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: ENGINE FIRE VALVE and APU FUEL LP VALVE ** ON A/C NOT FOR ALL

(1) Case 1
The APU title is white and the triangle and link are normally green.

(2) Case 2
The APU title and the triangle are white when the APU fuel LP valve is fully closed.

(3) Case 1
The APU valve is green when open.

(4) Case 2
Valve fully closed normally displayed in green.

(5) Case 3
The APU title alone is displayed in amber:

When the APU master switch is set to ON or the APU fire pushbutton set to OUT.
and
The APU fuel LP valve is fully closed.

(6) Case 3
Valve fully closed displayed in amber, APU master switch being set to ON and/or APU fire pushbutton set to OUT.

(7) Case 4
The APU title and triangle (plain) is amber if jammed open:

the APU fire pushbutton is OUT

the APU master switch is not ON for longer than 1mn

(8) Case 4
The APU valve is amber if jammed open.

(9) Case 5
The APU title and the triangle (outline only) are amber when the APU fuel LP valve is neither fully closed nor fully open at a time.

(10) Case 6
It is replaced by amber XX when the two states fully open and fully closed are simultaneously detected or no valid data is available from the SDAC.

(11) Case 5
Displayed in amber when the valve is neither closed nor open.

(12) Case 6
It is replaced by amber XX when the two states fully open and fully closed are simultaneously detected.

H. Item 8:
Engine 1 fire valve

FUEL Page - Display of the Parameters: ENGINE FIRE VALVE and APU FUEL LP VALVE ** ON A/C NOT FOR ALL

FUEL Page - Engine Fire-Value Parameter and APU-Fuel LP-Valve Parameter ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: ENGINE FIRE VALVE and APU FUEL LP VALVE ** ON A/C NOT FOR ALL

FUEL Page - Enigne Fire-Valve Parameter and APU-Fuel LP-Valve Parameter ** ON A/C NOT FOR ALL

(1) Case 1
The engine fire valve is green when normally open.

(2) Case 2
It is amber when fully open with the related ENG FIRE pushbutton OUT and/or ENG MASTER lever set to OFF.

(3) Case 3
Valve fully closed displayed in amber.

(4) Case 4
It is amber when the valve is neither fully closed nor fully open.

(5) Case 5
It is replaced by amber XX when the fully open and fully closed states are simultaneously detected.
(or no data from the SDAC is available)

I. Item 9:
Fuel used - Engine 1

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Fuel Used, Fuel on Board and Center-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Fuel Used, Fuel On Board, Center-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: FUEL USED and FUEL ON BOARD ** ON A/C NOT FOR ALL

This digital value, resulting from fuel flow integration inside DMC, can vary from 0 to 9990 KG, with 10 KG resolution.

This digital value, resulting from fuel flow integration inside DMC, can vary from 0 to 99980 LBS, with 20 LBS resolution.

This digital value, resulting from fuel flow integration inside DMC, can vary from 0 to 45360 KG, with 10 KG resolution.
This digital value, resulting from fuel flow integration inside DMC, can vary from 0 to 99980 LBS, with 20 LBS resolution.

(1) Case 1:
It is normally displayed in green.

(2) Case 2:
In case of degraded data (if indication of fuel flow is not valid in flight after 60s) , all the digits are dashed, together with the TOTAL indication (FUEL USED 1+2) with two horizontal amber lines (fuel flow value from the FADEC bus not correctly received by the DMC in flight).

(3) Case 2:
In case of degraded data (if indication of fuel flow is not valid in flight after 60s) , all the digits are dashed with two horizontal amber lines (fuel flow value from the FADEC bus not correctly received by the DMC in flight).

(4) Case 3:
It is replaced by amber XX after a long DMC power supply interruption in flight. In this case, the fuel used computation stops untill next starting sequence on ground.
As a result, the total fuel used is also replaced by two amber XX.

(5) Case 3:
It is replaced by amber XX after a long DMC power supply interruption in flight. In this case the fuel used computation stops untill next starting sequence on ground.

J. Item 10:
Engine number

The number of each engine is normally white. It is amber when the engine is stopped (core speed not at idle or not above idle).

K. Item 11:
Total Fuel Used
A total fuel used is computed

and normally displayed in green (case 1).
As soon as one (at least) of the two fuel used values is dashed (degraded data), then the total fuel used is also dashed (case 2)
As soon as one (at least) of the two fuel used values is replaced by amber XX, then the total fuel used is also replaced by amber XX (case 3).

The digital value can vary from:
- 0 to 45,360 KG by 10 KG steps.
- 0 to 99,980 LBS by 20 LBS steps.
The digital value can vary from 0 to 99,990 KG by 10 KG steps.

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY

The Total Fuel Used remains displayed after the EEC power cut.

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Fuel Used, Fuel on Board and Center-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Fuel Used, Fuel On Board, Center-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

The Total Fuel Used remains displayed after the ECU power cut.

Fuel on board

FUEL Page - Display of the Parameters: FUEL USED and FUEL ON BOARD ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 99980 KG, with 20 KG resolution.
Fuel on board

FUEL Page - Display of the Parameters: FUEL USED and FUEL ON BOARD ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 99960 LBS, with 40 LBS resolution.

(1) Case 1:
It is normally displayed in green.

(2) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are set to zero with amber lines across.

(3) Case 3:
The value displayed is replaced by amber XX, when no valid data are available from the FQI bus.

(4) Case 4:
The digital value is displayed in an amber box as soon as one of the two wing transfer valves is faulty.

(5) Case 1:
It is normally displayed in green.

(6) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are set to zero with amber lines across.

(7) Case 3:
The value displayed is replaced by amber XX, when no valid data are available from the FQI bus.

(8) Case 4:
The digital value is displayed in an amber box as soon as one of the two wing transfer valves is faulty.

L. Item 12:
Fuel used - Engine 2
Refer to item 9 where the same processing applies.

M. Item 13:
Engine number
Refer to item 10 where the same processing applies.

N. Item 14:
Engine 2 fire valve
Refer to item 8 where the same processing applies.

O. Item 15:
Crossfeed valve

FUEL Page - Display of the Parameter: XFEED VALVE ** ON A/C NOT FOR ALL

FUEL Page - X Feed-Valve Parameter ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameter: XFEED VALVE ** ON A/C NOT FOR ALL

FUEL Page - X FEED-Valve Parameter ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameter: XFEED VALVE ** ON A/C NOT FOR ALL

(1) Case 1
The crossfeed valve is green when normally open.

(2) Case 2
It is green when normally closed.

(3) Case 3
It is amber if jammed closed.

(4) Case 4
It is amber if jammed open.

(5) Case 5
It is amber when in transit.

(6) Case 6
It is replaced by amber XX when the fully open and fully closed states are simultaneously detected, or no valid data is available from the SDAC.

P. Item 16:
Right tank pumps
Refer to item 6 where the same processing applies.

Q. Item 17:
Right outer cell fuel quantity
Refer to item 5 where the same processing applies.

Center tank pumps

FUEL Page - Display of the Parameters: TANKs PUMPs and CENTER TO INNER TRANSFERS ** ON A/C NOT FOR ALL

FUEL Page - Tank Pump Parameters and Center-to-Inner Tank Transfer-Parameter ** ON A/C NOT FOR ALL

(1) Case 1:
The tank pump symbol is normally displayed in green with vertical bar.

(2) Case 2:
It turns amber with horizontal bar when the center transfer control valve is fully closed.

(3) Case 3:
It is displayed in amber with vertical bar when either:

the related transfer control switch is set to OFF
or auto shut off is required and manual mode not selected.

(4) Case 4:
It is replaced by amber XX when data from SDAC are not valid or when the transfer control valve is detected in one of the following positions:

neither closed nor open (confirmed 6s)
fully open and fully closed simultaneously (transmission failure case).

(5) Case 5:
It is displayed in green with horizontal bar when:

the center transfer control valve is fully closed
the related center tank pump auto shut off is required
the related transfer control switch is set to off
the related wing center tank pump is not in low level or the aircraft is on ground
manual mode not selected.

R. Item 18:
Right fuel transfer valve
Refer to item 3 where the same processing applies.

Center to inner transfers

FUEL Page - Display of the Parameters: TANKs PUMPs and CENTER TO INNER TRANSFERS ** ON A/C NOT FOR ALL

FUEL Page - Tank Pump Parameters and Center-to-Inner Tank Transfer-Parameter ** ON A/C NOT FOR ALL

Auxiliary center tank quantity

FUEL PAGE - ACT Fuel Quantity Parameter and ACT Transfer Parameter

FUEL PAGE - Display of the Parameter: AUXILIARY CENTER TANK QUANTITY and FUEL XFR ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 4530 KG, with 10 KG resolution.
A green empty triangle is displayed below the center tank quantity indication. It turns from empty to filled when the transfer pump is in operation.

(1) Case 1
Nothing is displayed when:

data from SDAC are invalid
the valve is fully closed
the valve is fully closed and fully open at the same time (transitory state).

(2) Case 2
Full triangle and ducts are displayed in amber when:

the pump pushbutton is OFF
the pump auto shut off is required and there is not the mode select pushbutton on MANUAL.

(3) Case 3
In all other cases, triangle and ducts are displayed in green.

(4) Total Fuel Flow indication
The total fuel flow value is displayed in green. It is replaced by amber XX when no valid data is available.
The value can vary from 0 to 999 KG/MN by 1KG/MN step.

S. Item 19:
Right outer cell temperature
Refer to item 4 where the same processing applies.
Fuel on board

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Fuel Used, Fuel on Board and Center-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 99980 KG, with 20 KG resolution.
Total Fuel Flow indication
The total fuel flow value is displayed in green. It is replaced by amber XX when no valid data is available.
The value can vary from 0 to 999 KG/MN by 1KG/MN step.

(1) Case 1:
It is normally displayed in green.

(2) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with two amber lines across.

(3) Case 3:
The value displayed is replaced by amber XX, when no valid data are available from the FQI bus.

(4) Case 4:
The digital value is displayed in an half amber box as soon as one of the two wing transfer valves is faulty or an ACT amber box is displayed; or the center tank is installed and then a center tank pump is faulty with the engine 1 or 2 corespeed is at IDLE or above.

T. Item 20:
Right inner cell temperature
Refer to item 2 where the same processing applies.

ACT Fuel Quantity

FUEL PAGE - Display of the Parameter: AUXILIARY CENTER TANK QUANTITY and FUEL XFR ** ON A/C NOT FOR ALL

FUEL PAGE - ACT-Fuel-Quantity Parameter and Fuel Transfer Parameter ** ON A/C NOT FOR ALL

FUEL PAGE - ACT Fuel Quantity Parameter and ACT Transfer Parameter ** ON A/C NOT FOR ALL

The digital value can change between:
- 0 and 3000 kg in increments of 10 kg.
- 0 and 6000 lbs in increments of 20 lbs.
Auxiliary center tank 1 quantity

FUEL PAGE - ACT Fuel Quantity Parameter and ACT Transfer Parameter

FUEL PAGE - Display of the Parameter: AUXILIARY CENTER TANK QUANTITY and FUEL XFR ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 45360 KG, with 10 KG resolution, and includes the other auxilliary tanks when applicable.
A green empty triangle is displayed below the center tank quantity indication. It turns from empty to filled when the transfer pump is in operation.

(1) Case 1:
It is normally displayed green in a grey box.

(2) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with amber lines.

(3) Case 3:
The digital value is replaced by amber XX, when no valid data are available from the FQI bus.

(4) Case 4:
The box surrounding the digital value turns to amber if either:

a transfer fault message is received from FQI,
transfer pump activated and valve not in XFR configuration,
or transfer pump low pressure.

(5) Case 1:
It is normally shown in green in a gray box.

(6) Case 2:
The digital value is pulses green when:

There is no incorrect fuel data, and
The ACT transfer-pump pushbutton-switch is pushed (ON legend on), and
The ACT transfer is not shown green in manual mode, and
The highest priority ACT transfer in amber condition is correct, and
The ACT box is not amber.

(7) Case 3:
When the ACT fuel quantity is degraded and when ACT fuel quantity is valid, the two least significant digits are shown dashed with amber lines.

(8) Case 4:
Amber XX replaces the digital value, when no correct data are available.

(9) Case 5:
The box around the digital value becomes amber when:

There is no incorrect in the fuel data, and
The center-tank fuel quantity is an amber box, or
The ACT tank is defective, or
The ACT transfer is defective.

U. Item 21:
Right inner cell fuel quantity
Refer to item 1 where the same processing applies.

Fuel on board

FUEL Page - Fuel Used, Fuel on Board and Center-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 99980 KG, with 20 KG resolution.

(1) Case 1:
It is normally shown in green.

(2) Case 2:
When the FOB is degraded (indication from FQI), the two least significant digits are shown dashed with two amber lines.

(3) Case 3:
The amber XX replaces the shown value, when no correct data are available from the FQI bus.

(4) Case 4:
The digital value is displayed in an semi amber box when:

One of the two wing transfer valves is defective, or
An ACT amber box is shown, or
The center tank is installed and a center tank pump is defective with the engine 1 or 2 corespeed at IDLE or above.

V. Item 22:
Center tank pumps

FUEL Page - Display of the Parameters: TANKs PUMPs ** ON A/C NOT FOR ALL

FUEL Page - Display of the Parameters: CENTER TANK PUMPS, CENTER TANK FUEL QUANTITY ** ON A/C NOT FOR ALL

ACT Transfer

FUEL PAGE - Display of the Parameter: AUXILIARY CENTER TANK QUANTITY and FUEL XFR ** ON A/C NOT FOR ALL

FUEL PAGE - ACT Fuel Quantity Parameter and ACT Transfer Parameter ** ON A/C NOT FOR ALL

The ACT transfer starts:

First, from aft ACT1 and aft ACT2, and
Then from the forward ACT.

Center tank pumps 1 (left hand wing) and 2 (right hand wing)

FUEL Page - Display of the Parameters: TANKs PUMPs and CENTER TO INNER TRANSFERS ** ON A/C NOT FOR ALL

FUEL Page - Tank Pump Parameters and Center-to-Inner Tank Transfer-Parameter ** ON A/C NOT FOR ALL

(1) Case 1:
Normally displayed in green.

(2) Case 2:
It turns amber when the pump is not supplied.

(3) Case 3:
In case of low pressure, LO is displayed in amber.

(4) Case 4:
It is replaced by amber XX when no valid data are available.

(5) Case 5
It is displayed in green when, in normal conditions, the auto shut off has been required and the pump is no longer supplied.

(6) Case 1:
The tank pump symbol is normally displayed in green with vertical bar.

(7) Case 2:
It turns amber with horizontal bar when the center transfer control valve is fully closed.

(8) Case 3:
It is displayed in amber with vertical bar when either:

the related transfer control switch is set to OFF or
auto shut off is required and manual mode not selected.

(9) Case 4:
It is replaced by amber XX when data from SDAC are not valid or when the transfer control valve is detected in one of the following positions:

neither closed nor open (confirmed 6s)
fully open and fully closed simultaneously (transmission failure case).

(10) Case 5:
It is displayed in green with horizontal bar when:

the center transfer control valve is fully closed
the related center tank pump auto shut off is required
the related transfer control switch is set to off
the related wing center tank pump is not in low level or the aircraft is on ground
manual mode not selected.

W. Item 23:
Forward ACT Isolation-Valve (if installed)

FUEL PAGE - Display of the Parameter: AUXILIARY CENTER TANK QUANTITY and FUEL XFR ** ON A/C NOT FOR ALL

FUEL PAGE - ACT-Fuel-Quantity Parameter and Fuel Transfer Parameter ** ON A/C NOT FOR ALL

FUEL PAGE - ACT Fuel Quantity Parameter and ACT Transfer Parameter ** ON A/C NOT FOR ALL

Center tank fuel quantity

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 9990 KG with 10 KG resolution.
Center tank fuel quantity

FUEL Page - Display of the Parameters: CENTER TANK PUMPS, CENTER TANK FUEL QUANTITY ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 6990 KG with 10 KG resolution.
Center tank fuel quantity

FUEL Page - Display of the Parameters: CENTER TANK PUMPS, CENTER TANK FUEL QUANTITY ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 15380 LBS with 20 LBS resolution.

(1) Case 1:
Valve closed and green when:

The forward ACT isolation-valve is closed, and
The forward ACT inlet-valve is open and its position agrees with the selected position: Open.

(2) Case 2:
The valve is closed and amber when:

The forward ACT isolation-valve is unusually closed (the valve is closed and this position disagrees with the selected position: Open), and
The forward ACT inlet-valve is open and its position agrees with the selected position: Open.

(3) Case 3:
The valve is open and green when:

The forward ACT isolation-valve is open, and
The forward ACT inlet-valve is open and its position agrees with the selected position: Open.

(4) Case 4:
The valve is open and amber when:

(a) The forward ACT is not installed and:

The forward ACT isolation valve is unusually open (the valve is open and this position disagrees with the selected position: Closed),
or

(b) The forward ACT is installed and:

The forward ACT isolation-valve is unusually open (the valve is open and this position disagrees with the selected position: Closed), or
The forward ACT inlet-valve is unusually open (the valve is open and this position disagrees with the selected position: Closed).

(5) Case 5:
Amber XX replaces the valve status when:

(a) The forward ACT is not installed and:

The forward isolation-valve is open and the data are not correct,
or
The forward ACT isolation-valve is closed and the data are not correct,
or

(b) The forward ACT is installed and:

The forward isolation-valve is open and the data are not correct,
or
The ACT4 inlet valve is open and the data are not correct,
or
The ACT4 is selected for the transfer and the data are not correct,
or
The forward ACT isolation-valve is open and the data are not correct,
or
The ACT transfer-pump pushbutton-switch is pushed (ON legend on) and data are not correct.

(6) Case 1:
It is normally displayed in green.

(7) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with two amber lines.

(8) Case 3:
The value displayed is replaced by amber XX, when the information is not available from the FQI bus.

(9) Case 4:
The digital value is displayed in half an amber box when the center tank pumps are faulty and when the engine 1 or 2 is at IDLE or above.

(10) Case 1:
It is normally displayed in green.

(11) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are set to zero with amber lines across.

(12) Case 3:
The value displayed is replaced by amber XX, when the information is not available from the FQI bus.

(13) Case 4:
The digital value is displayed in an amber box when the center tank pumps are faulty.

(14) Case 1:
It is normally displayed in green.

(15) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are set to zero with amber lines across.

(16) Case 3:
The value displayed is replaced by amber XX, when the information is not available from the FQI bus.

(17) Case 4:
The digital value is displayed in an amber box when the center tank pumps are faulty.

X. Item 24:
Fuel on board

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY ** ON A/C NOT FOR ALL

FUEL Page - Fuel Used, Fuel On Board, Center-Tank Fuel-Quantity Parameters ** ON A/C NOT FOR ALL

The fuel on board quantity is displayed on 5 digits.
The display can vary from 0 to 99,960 LBS by step of 40 LBS or 0 to 45,360 KG by step of 20 KG.
Fuel on board

FUEL Page - Display of the Parameters: FUEL USED/FUEL ON BOARD/CENTER QUANTITY ** ON A/C NOT FOR ALL

Digital value from FQI. The display can vary from 0 to 99960 LBS, with 40 LBS resolution.

(1) Case 1:
Normal case, the digital value comes into view in green.

(2) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with two amber lines across.

(3) Case 3:
The digital value is replaced by amber XX, when no valid data are available from the FQI bus.

(4) Case 4:
The digital value is comes into view an semi amber box when:
- As soon as one of the two wing transfer valves is faulty, OR
- An ACT amber box is displayed, OR
- The center tank is installed and then a center tank pump is faulty with the engine 1 or 2 corespeed is at IDLE or above.

(5) Case 1:
It is normally displayed in green.

(6) Case 2:
In case of degraded data (indication from FQI), the two least significant digits are dashed with two amber lines across.

(7) Case 3:
The value displayed is replaced by amber XX, when no valid data are available from the FQI bus.

(8) Case 4:
The digital value is displayed in an half amber box as soon as one of the two wing transfer valves is faulty or an ACT amber box is displayed; or the center tank is installed and then a center tank pump is faulty with the engine 1 or 2 corespeed is at IDLE or above.

Y. Item 25:
Auxiliary center tank transfer

FUEL PAGE - Display of the Parameter: AUXILIARY CENTER TANK QUANTITY and FUEL XFR ** ON A/C NOT FOR ALL

Total Fuel Flow indication
The total fuel flow value is displayed in green. It is replaced by amber XX when no valid data is available.
The value can vary from 0 to 999 KG/MN by 1KG/MN step.
The value can vary from 0 to 9,999 LBS/MN by 2 LBS/MN step.

(1) Case 1
The triangle is green (outline only) when the transfer is in automatic mode, the ACT valves are in transfer configuration,
and there is no transfer fault,
and the ACT transfer pumps pushbutton is not in the OFF position.

(2) Case 1
Further to the above condition, on all corporate jet liners, the green (outline only) triangle may results from the following condition:
the ACT valves are in transfer configuration,
and the ACT transfer pumps pushbutton is in the OFF position, while the ACT is still transfering some fuel.

(3) Case 2
The triangle is green (plain green) when the transfer is in manual mode, the ACT valves are in transfer configuration,
and the ACT transfer pumps pushbutton is not in the ON position.
and the ACT transfer pump is not in the low pressure status.

(4) Case 3
In all other cases the triangle is not displayed.

Z. Item 26:
Center to inner transfer indication

FUEL Page - Display of the Parameters: TANKs PUMPs and CENTER TO INNER TRANSFERS ** ON A/C NOT FOR ALL

FUEL Page - Tank Pump Parameters and Center-to-Inner Tank Transfer-Parameter ** ON A/C NOT FOR ALL

(1) Case 1
Nothing is displayed when:

data from SDAC are invalid
the valve is fully closed
the valve is fully closed and fully open at the same time (transitory state).

(2) Case 2
Full triangle and ducts are displayed in amber when:

the pump pushbutton is OFF
the pump auto shut off is required and there is not the mode select pushbutton on MANUAL.

(3) Case 3
In all other cases, triangle and ducts are displayed in green.

AA. Item 27 (if installed):

FUEL PAGE - Display of the Parameter: AUXILIARY CENTER TANK QUANTITY and FUEL XFR ** ON A/C NOT FOR ALL

ACT transfer

Case 1

A green triangle (outline only) (transfer is in automatic mode) is displayed when:

ACT transfer pump P/B is set to OFF
and
ACT transfer valve is fully opened
and
For at least 15 seconds:
ACT 1 valve is fully opened and ACT 1 is not low level for more than 60 Seconds
or
ACT 2 valve is fully opened and ACT 2 is not low level for more than 60 Seconds
and
ACT transfer is not faulty and the signal is valid
or
AFMS is installed and ACT is transferring.

Case 2

A full green triangle (transfer is in manual mode) is displayed when:
ACT transfer pump P/B is set to ON
and
ACT transfer pump is not low pressure and signal is valid
and
ACT transfer valve is fully opened
and
For at least 15 seconds:
ACT 1 valve is fully opened and ACT 1 is not low level for more than 60 Seconds
or
ACT 2 valve is fully opened and ACT 2 is not low level for more than 60 Seconds

Case 3
In all other cases the triangle is not displayed.

Auxiliary center tank fuel quantity

Case 1
It is normally displayed in green.

Case 2
In case of degraded data (indication from FQI), the two least significant digits are dashed with two amber lines.

Case 3
The value displayed is replaced by amber XX, when the information is not available from the FQI bus.

Case 4
An amber box is displayed when:
The ACT transfer pump P/B is off and there is a transfer fault
or
The ACT transfer pump is under low pressure state
or
The ACT valves are not in transfer configuration
or
The ACT transfer P/B is ON and ACT is not confirmed for 60s at low level.

In normal operation, the ACT fuel quantity is displayed in grey box.

** ON A/C NOT FOR ALL

2. Fuel links

FUEL Page - Display of the fuel links ** ON A/C NOT FOR ALL

FUEL Page - Fuel Links ** ON A/C NOT FOR ALL

FUEL Page - Display of the fuel links ** ON A/C NOT FOR ALL

FUEL Page - Fuel Links ** ON A/C NOT FOR ALL

FUEL Page - Display of the 13 fuel links ** ON A/C NOT FOR ALL

A. Item 1:
Link to Engine 1
This link is not displayed when the fire valve is replaced by amber XX.
It is displayed in green when the valve is green and displayed in amber when the valve is amber.

B. Item 2:
Link from left auxiliary pump
This link is not displayed when the pump is OFF.
It is displayed in green when the pump is green and displayed in amber when the pump is amber.

Link between the APU and the Crossfeed valve
This link is displayed in green.
Link to APU
This link is not displayed when the fire valve is replaced by amber XX.
It is displayed in green when the valve is green and displayed in amber when the valve is amber.

C. Item 3:
Link to APU
This link is not displayed when the fire valve is replaced by amber XX.
It is displayed in green when the valve is green and displayed in amber when the valve is amber.
Link next to the Crossfeed valve
This link is displayed in green.
Link between the APU and the Crossfeed valve
This link is displayed in green.

D. Item 4:
Link between the crossfeed valve and the Engine 2
This link is displayed in green.

Link between the APU and the Crossfeed valve
This link is displayed in green.

E. Item 5:
Link to Engine 2
This link is not displayed when the fire valve is replaced by amber XX.
It is displayed in green when the valve is green and displayed in amber when the valve is amber.

Link between the crossfeed valve and the Engine 2
This link is displayed in green.

F. Item 6:
Link from right pump of the center tank
This link is not displayed when the pump is OFF.
It is displayed in green when the pump is green and displayed in amber when the pump is amber.

Link to Engine 2
This link is not displayed when the fire valve is replaced by amber XX.
It is displayed in green when the valve is green and displayed in amber when the valve is amber.

G. Item 7:
Link from right pump
This link is not displayed when the pump is OFF.
It is displayed in green when the pump is green and displayed in amber when the pump is amber.

H. Item 8:
Link from right auxiliary pump
This link is not displayed when the pump is OFF.
It is displayed in green when the pump is green and displayed in amber when the pump is amber.

I. Item 9:
Link from left pump
This link is not displayed when the pump is OFF.
It is displayed in green when the pump is green and displayed in amber when the pump is amber.
Link from the center transfer pump
This link is not displayed when the center transfer pump is OFF or faulty or replaced by amber XX.
It is displayed in amber when the pump is ON and amber.
It is dispalyed in green in the other cases.

J. Item 10:
Link from the left pump
This link is not displayed when the pump is OFF.
It is displayed in green when the pump is green and displayed in amber when the pump is amber.

K. Items 9 and 10:
Link from right or left pump of the center tank
This link is not displayed when the pump is OFF.
It is displayed in green when the pump is green and displayed in amber when the pump is amber.

L. Item 11:
Link from left pump of the center tank
This link is not displayed when the pump is OFF.
It is displayed in green when the pump is green and displayed in amber when the pump is amber.

Link from left auxiliary pump
This link is not displayed when the pump is OFF.
It is displayed in green when the pump is green and displayed in amber when the pump is amber.

M. Item 12:
Link to APU
This link is not displayed when the fire valve is replaced by amber XX.
It is displayed in green when the valve is green and displayed in amber when the valve is amber.

[Rev.10 from 2021] 2026.04.01 00:38:44 UTC