DOC AIRBUS | AMM A320FSYSTEM DISPLAY - ENGINE PAGE - DESCRIPTION AND OPERATION
** ON A/C NOT FOR ALL
1. ENGINE Page
The ENGINE Page is described in the following figure with its 9 parameters as follows:
The ENGINE Page is described in the following figure with its 10 parameters as follows:
The ENGINE page is described in the following figure with its nine parameters as follows:
ENGINE Page: Engine Secondary Indications (9 parameters) ** ON A/C NOT FOR ALL
ENGINE Page: Engine Secondary Indications (9 parameters) ** ON A/C NOT FOR ALL
Item 1: Engine oil pressure
Item 2: Engine oil quantity
Items 3 and 4: Fuel used
Item 5: Fuel Filter "CLOG" Indication
Item 6: Oil Filter "CLOG" Indication
Item 5: Engine vibration N1
Item 6: Engine vibration N2
Item 7: Engine oil temperature
Item 8: Engine vibration N1
Item 7: Engine oil filter clog
Item 8 : Engine fuel filter clog
Item 9: Nacelle temperature
Item 9: Nacelle temperature
Item 10: Engine oil temperature
Item 9: Nacelle temperature
Item 10: Nacelle Anti Ice Indication
Item 9: Nacelle temperature
The symbols related to these indications are described hereafter:
The ENGINE Page is described in the following figure with its 9 parameters as follows:
The ENGINE Page is described in the following figure with its 10 parameters as follows:
The ENGINE page is described in the following figure with its nine parameters as follows:
ENGINE Page: Engine Secondary Indications (9 parameters) ** ON A/C NOT FOR ALL ENGINE Page: Engine Secondary Indications (9 parameters) ** ON A/C NOT FOR ALL Item 2: Engine oil quantity
Items 3 and 4: Fuel used
Item 5: Fuel Filter "CLOG" Indication
Item 6: Oil Filter "CLOG" Indication
Item 5: Engine vibration N1
Item 6: Engine vibration N2
Item 7: Engine oil temperature
Item 8: Engine vibration N1
Item 7: Engine oil filter clog
Item 8 : Engine fuel filter clog
Item 9: Nacelle temperature
Item 9: Nacelle temperature
Item 10: Engine oil temperature
Item 9: Nacelle temperature
Item 10: Nacelle Anti Ice Indication
Item 9: Nacelle temperature
The symbols related to these indications are described hereafter:
A. Oil Pressure Indication
(item 1)
ENGINE Page: Oil Pressure Indication ** ON A/C NOT FOR ALL
ENGINE Page - Display of the Parameter: OIL PRESSURE ** ON A/C NOT FOR ALL
ENGINE Page: Oil Pressure Indication ** ON A/C NOT FOR ALL
PWN ENGINE Page: OIL PRESSURE INDICATION ** ON A/C NOT FOR ALL
The oil pressure needle and digital indication are as follows:
(item 1)
ENGINE Page: Oil Pressure Indication ** ON A/C NOT FOR ALL ENGINE Page - Display of the Parameter: OIL PRESSURE ** ON A/C NOT FOR ALL ENGINE Page: Oil Pressure Indication ** ON A/C NOT FOR ALL PWN ENGINE Page: OIL PRESSURE INDICATION ** ON A/C NOT FOR ALL The oil pressure needle and digital indication are as follows:
(1) Case 1
Green and steady in normal operation.
Green and steady in normal operation.
(2) Case 2
The digital indication is green and pulses if the oil pressure value is below 16 PSI (1st threshold advisory)
The digital indication is green and pulses if the oil pressure value is below 16 PSI (1st threshold advisory)
(3) Case 2
Green pulsing (with automatic display of ENGINE page in flight phases 2 and 6):
Green pulsing (with automatic display of ENGINE page in flight phases 2 and 6):
- When the oil pressure > higher limit - 1 psi.
- When the oil pressure < higher limit - 4 psi.
(4) Case 3
Amber:
Amber:
- When the oil pressure is between the lower and the very lower limit
and - When the flight phase is 6, 7, 8 or 9
or - When the flight phase is not valid.
(5) Case 2
Green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
Green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
- When the oil pressure > 89 psi
Or - When the oil pressure < 16 psi and N2 actual > 75%.
- When the oil pressure < 86 psi
Or - When the oil pressure > 18 psi.
(6) Case 2
Green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
Green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
- When the oil pressure > 389 psi.
- When the oil pressure < 386 psi.
(7) Case 2
*** MOD CFM + EIS2 ***
the digital indication is green and pulses if the oil pressure value exceeds 90 PSI, or drops below 16 PSI when current N2 exceeds 75%.
*** MOD CFM + EIS2 ***
the digital indication is green and pulses if the oil pressure value exceeds 90 PSI, or drops below 16 PSI when current N2 exceeds 75%.
(8) Case 3
Red if the pressure drops below 13 psi.
Red if the pressure drops below 13 psi.
(9) Case 4
Steady red if the oil pressure is equal or drops below the very low pressure limit.
Steady red if the oil pressure is equal or drops below the very low pressure limit.
(10) Case 3
Red and steady, if the oil pressure is less than or equal to 60 psi.
Red and steady, if the oil pressure is less than or equal to 60 psi.
(11) Case 3
*** MOD CFM and EIS2 ***
red if the pressure drops below 13 PSI
*** MOD CFM and EIS2 ***
red if the pressure drops below 13 PSI
(12) Case 4
replaced by amber XX when the pressure value is not available from the SDACs or the FWCs.
replaced by amber XX when the pressure value is not available from the SDACs or the FWCs.
(13) Case 5
In case of invalidity of the oil pressure parameter, digits are replaced by amber crosses. The needle, the tick amber and the red arc are removed.
The oil pressure amber tick represents the low oil pressure limit and it is displayed:
The oil pressure red arc represents the very low oil pressure limit and it is displayed:
In case of invalidity of the oil pressure parameter, digits are replaced by amber crosses. The needle, the tick amber and the red arc are removed.
The oil pressure amber tick represents the low oil pressure limit and it is displayed:
- When the low oil pressure limit is valid
and - When the flight phase is 6, 7, 8 or 9
or - When the flight phase is not valid.
The oil pressure red arc represents the very low oil pressure limit and it is displayed:
- When the very low limit oil pressure is valid
and - When the oil pressure data is valid.
(14) Case 4
In case of invalidity of the oil pressure parameter, the digits are replaced by amber "XX". The needle and the red arc are removed.
In case of invalidity of the oil pressure parameter, the digits are replaced by amber "XX". The needle and the red arc are removed.
(15) Case 4
In case of invalidity of the oil pressure parameter, the digits are replaced by amber "XX". The needle and the red arc are removed.
In case of invalidity of the oil pressure parameter, the digits are replaced by amber "XX". The needle and the red arc are removed.
(16) Display
The analog display can vary from 0 to 100 psi.
The digital display can vary from 0 to 998 psi in 2 psi steps.
The analog display can vary from 0 to 100 psi.
The digital display can vary from 0 to 998 psi in 2 psi steps.
(17) Display
The analog display can vary from 0 to 400 psi.
The digital display can vary from 0 to 998 psi in 2 psi steps.
The oil-pressure amber tick represents the low limit of the oil pressure and it is shown when:
The analog display can vary from 0 to 400 psi.
The digital display can vary from 0 to 998 psi in 2 psi steps.
The oil-pressure amber tick represents the low limit of the oil pressure and it is shown when:
- The flight phase is 6, 7, 8 or 9.
Or - The flight phase is not valid.
B. Oil Quantity Indication
Item 2
ENGINE Page : Oil Quantity and Fuel Used Indications ** ON A/C NOT FOR ALL
ENGINE Page - Display of the Parameters: OIL QUANTITY and FUEL USED ** ON A/C NOT FOR ALL
ENGINE Page : Oil Quantity and Fuel Used Indications ** ON A/C NOT FOR ALL
Item 2
ENGINE Page : Oil Quantity and Fuel Used Indications ** ON A/C NOT FOR ALL ENGINE Page - Display of the Parameters: OIL QUANTITY and FUEL USED ** ON A/C NOT FOR ALL ENGINE Page : Oil Quantity and Fuel Used Indications ** ON A/C NOT FOR ALL - The oil quantity needle is always green.
- The oil quantity needle is always green.
(1) Case 1
The digital indication of the oil quantity is green in normal operation.
The digital indication of the oil quantity is green in normal operation.
(2) Case 2
the indication pulses if the quantity drops below 3 QT (Low oil quantity advisory).
the indication pulses if the quantity drops below 3 QT (Low oil quantity advisory).
(3) Case 2
The oil quantity needle and the digital indication are green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
The oil quantity needle and the digital indication are green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
- When the oil quantity is less than or equal to 1.2 + 0.25 quarts (low oil-quantity advisory).
- When the oil quantity is greater than or equal to 1.2 + 1.75 quarts (low oil-quantity advisory + 1.5).
(4) Case 2
The oil quantity needle and the digital indication are green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
The oil quantity needle and the digital indication are green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
- When the oil quantity is less than or equal to 5 quarts (low oil-quantity advisory).
- When the oil quantity is greater than or equal to 7 quarts (low oil-quantity advisory + 2).
(5) Case 2
The oil quantity needle and the digital indication are green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
The oil quantity needle and the digital indication are green and pulsing (with the automatic display of the ENGINE page in flight phases 2 and 6):
- When the oil quantity is less than or equal to 3 quarts (low oil-quantity advisory).
- When the oil quantity is greater than or equal to 5 quarts (low oil-quantity advisory + 2).
(6) Case 3
The digital indication is replaced by amber XX when the value is not available from the SDACs or the FWCs.
The analog display can vary from 0 to 27 QT.
The digital display can vary from 0 to 99.5 QT in 0.5 QT steps.
The digital indication is replaced by amber XX when the value is not available from the SDACs or the FWCs.
The analog display can vary from 0 to 27 QT.
The digital display can vary from 0 to 99.5 QT in 0.5 QT steps.
(7) Case 3
The digital indication is replaced by amber XX when the value is not available from the SDACs or the FWCs.
The digital display can vary from 0 to 99.5 QT in 0.5 QT steps.
The digital indication is replaced by amber XX when the value is not available from the SDACs or the FWCs.
The digital display can vary from 0 to 99.5 QT in 0.5 QT steps.
(8) Case 3
In case of invalidity of the oil quantity parameter, the digits are replaced by amber "XX" and the needle is removed.
The analog display ranges from 0 to 22 quarts.
In case of invalidity of the oil quantity parameter, the digits are replaced by amber "XX" and the needle is removed.
The analog display ranges from 0 to 22 quarts.
(9) Case 3
In case of invalidity of the oil quantity parameter, the digits are replaced by amber "XX". The needle and the low limit of oil quantity are removed.
The analog display ranges from 0 to 27.5 quarts.
In case of invalidity of the oil quantity parameter, the digits are replaced by amber "XX". The needle and the low limit of oil quantity are removed.
The analog display ranges from 0 to 27.5 quarts.
(10) Case 3
In case of invalidity of the oil quantity parameter, the digits are replaced by amber crosses. The needle and the tick amber are removed.
The analog display ranges from 0 to OILQTYMAX value (received by Full Authority Digital Engine Control (FADEC) or set at 17.7 QT if invalid or not received).
In case of invalidity of the oil quantity parameter, the digits are replaced by amber crosses. The needle and the tick amber are removed.
The analog display ranges from 0 to OILQTYMAX value (received by Full Authority Digital Engine Control (FADEC) or set at 17.7 QT if invalid or not received).
C. Fuel Used Indication
Item 3
For a given engine, the DMC computes the fuel used from the engine start up to its shut down.
Item 3
For a given engine, the Display Management Computer (DMC) computes the fuel used from the engine start up to its shut down.
Item 3
For a given engine, the Display Management Computer (DMC) computes the fuel used from the engine start up to its shut down.
The fuel used indication remains displayed after the power cut of the Electronic Control Unit (ECU).
The fuel used indication remains displayed after the power cut of the Electronic Engine Control (EEC).
The fuel used indication is given in KG.
The display can vary from 0 to 9,990 KG in 10 KG steps.
The fuel used indication is given in lbs.
The display can vary from 0 to 99,980 lbs in 20 lbs steps.
The fuel used indication is given in KG.
The display can vary from 0 to 45,360 KG in 10 KG steps.
Item 3
For a given engine, the DMC computes the fuel used from the engine start up to its shut down.
Item 3
For a given engine, the Display Management Computer (DMC) computes the fuel used from the engine start up to its shut down.
Item 3
For a given engine, the Display Management Computer (DMC) computes the fuel used from the engine start up to its shut down.
The fuel used indication remains displayed after the power cut of the Electronic Control Unit (ECU).
The fuel used indication remains displayed after the power cut of the Electronic Engine Control (EEC).
The fuel used indication is given in KG.
The display can vary from 0 to 9,990 KG in 10 KG steps.
The fuel used indication is given in lbs.
The display can vary from 0 to 99,980 lbs in 20 lbs steps.
The fuel used indication is given in KG.
The display can vary from 0 to 45,360 KG in 10 KG steps.
(1) Case 1
It is normally displayed in green
It is normally displayed in green
(2) Case 2
In case of erroneous value (indication from the ECU in flight after 60s), the fuel used indication is dashed with two horizontal amber lines.
In case of erroneous value (indication from the ECU in flight after 60s), the fuel used indication is dashed with two horizontal amber lines.
(3) Case 1
It is normally displayed in green.
It is normally displayed in green.
(4) Case 2
In case of erroneous value (indication from the ECU, in flight, after 60 seconds), the fuel used indication is dashed with two horizontal amber lines.
It is due to an erroneous fuel flow value from the ECU.
In case of erroneous value (indication from the ECU, in flight, after 60 seconds), the fuel used indication is dashed with two horizontal amber lines.
It is due to an erroneous fuel flow value from the ECU.
(5) Case 1
It is normally displayed in green.
It is normally displayed in green.
(6) Case 2
In case of erroneous value (indication from the EEC, in flight, after 60 seconds), the fuel used indication is dashed with two horizontal amber lines.
It is due to an erroneous fuel flow value from the EEC.
In case of erroneous value (indication from the EEC, in flight, after 60 seconds), the fuel used indication is dashed with two horizontal amber lines.
It is due to an erroneous fuel flow value from the EEC.
(7) Case 3
The fuel used is replaced by amber "XX" after a long power supply interrupt of the DMC (more than five seconds) in flight, when the information is not available from the ECU bus.
The fuel used is replaced by amber "XX" after a long power supply interrupt of the DMC (more than five seconds) in flight, when the information is not available from the ECU bus.
(8) Case 3
The fuel used is replaced by amber "XX" after a long power supply interrupt of the DMC (more than five seconds) in flight, when the information is not available from the EEC bus.
The fuel used is replaced by amber "XX" after a long power supply interrupt of the DMC (more than five seconds) in flight, when the information is not available from the EEC bus.
D. Fuel Used Indication for Engine 2
Item 4
The fuel used indication given for engine 2 follows the same display principles as engine 1.
Item 4
The fuel used indication given for engine 2 follows the same display principles as engine 1.
E. N1 Vibration Indication
Item 8
Item 5
Item 8
Item 5
(1) The N1 vibration digital value is:
- Green during correct operation
- Green and pulses if the N1 engine vibration is more than a specified threshold.
The Engine Vibration Monitoring Unit (EVMU) calculates this threshold value. (Ref. AMM D/O 77-30-00-00) gives more information about the engine vibration measurement-system.
The display can change from 0 to 9.9 in increments of 0.1.
(2) The N1 vibration digital value is:
- Green during correct operation
- Green and pulses on the Electronic Engine Control (EEC) control if the N1 engine vibration is more than a specified threshold.
The Prognostic and Health Monitoring Unit (PHMU) calculates this threshold value. (Ref. AMM D/O 77-32-00-00) gives more information about the engine vibration indicating-system. - Amber if the N1 engine vibration is too high.
The display can change from 0 to 12.7 in increments of 0.1.
(3) The N1 vibration digital value is:
- Green during correct operation
- Green and pulses if the N1 engine vibration is more than a specified threshold.
The Engine Vibration Monitoring Unit (EVMU) calculates this threshold value. (Ref. AMM D/O 77-30-00-00) gives more information about the engine vibration system. - The display can change from 0 to 12.7 in increments of 0.1.
(4) The N1 vibration digital value is:
- Green during correct operation
- Green and pulses if the N1 engine vibration is more than a specified threshold.
The Engine Vibration Monitoring Unit (EVMU) calculates this threshold value. (Ref. AMM D/O 77-30-00-00) gives more information about the engine vibration system. - The display can change from 0 to 12.7 in increments of 0.1.
(5) The N1 vibration digital value is:
- Green during correct operation
- Green and pulses if the N1 engine vibration is more than a specified threshold.
The Engine Vibration Monitoring Unit (EVMU) calculates this threshold value. (Ref. AMM D/O 77-30-00-00) gives more information about the engine vibration system. - The display can change from 0 to 12.7 in increments of 0.1.
F. N1 Vibration Indication for Engine 2
Item 6
The vibration value given for engine 2 follows the same principles.
Item 6
The vibration value given for engine 2 follows the same principles.
G. "CLOG" Indication of the Oil Filter
Item 6
Item 7
Item 6
Item 7
(1) No display in normal operation.
(2) When the pressure drop across the main supply oil-filter is excessive, an amber "CLOG" is displayed.
(3) When the pressure drop across the main supply oil-filter is excessive and the oil temperature exceeds 32°C, an amber "CLOG" indication is displayed.
H. "CLOG" Indication of the Fuel Filter
Item 5
Item 8
When the pressure drop across the fuel filter is excessive, an amber CLOG is displayed under the title F.FILTER.
When the pressure drop across the fuel filter is excessive for at least 5 seconds, an amber CLOG is displayed under the digital FUEL USED indication.
When the pressure drop across the fuel filter is excessive, an amber "CLOG" is displayed under the digital "FUEL USED" indication.
Item 5
Item 8
When the pressure drop across the fuel filter is excessive, an amber CLOG is displayed under the title F.FILTER.
When the pressure drop across the fuel filter is excessive for at least 5 seconds, an amber CLOG is displayed under the digital FUEL USED indication.
When the pressure drop across the fuel filter is excessive, an amber "CLOG" is displayed under the digital "FUEL USED" indication.
I. Starting Sequence Indications
Item 9
The indications below come into view during the starting sequence.
Item 9
The starting sequence is displayed when:
The indications below come into view in the starting sequence.
Item 9
The starting sequence is displayed when:
The indications below come into view in the starting sequence.
Item 9
The indications below come into view during the starting sequence.
Item 9
The starting sequence is displayed when:
- The automatic starting sequence of engine 1 is in progress
Or - The automatic starting sequence of engine 2 is in progress
Or - The manual starting sequence of engine 1 is in progress
Or - The manual starting sequence of engine 2 is in progress
Or - The aircraft is on ground and at least one engine is below idle with its ignition selected
Or - At least one engine crank is selected.
The indications below come into view in the starting sequence.
Item 9
The starting sequence is displayed when:
- The automatic starting sequence of engine 1 is in progress
Or - The automatic starting sequence of engine 2 is in progress
Or - The manual starting sequence of engine 1 is in progress
Or - The manual starting sequence of engine 2 is in progress
Or - The aircraft is on ground and at least one engine is not in operation with its ignition selected
Or - At least one engine crank is selected.
The indications below come into view in the starting sequence.
(1) Starter shutoff valve position indication
- Case 1
Open green: When the valve is fully open
- Case 2
Closed green: When the valve is fully closed
- Case 3
XX amber: When the parameter corresponding to a given starter shutoff valve position is not valid at the DMC input.
(2) Bleed pressure
- Case 1
Bleed pressure upstream of the precooler is normally green.
- Case 2
It becomes amber below 21 PSI with actual N2 > 10%
- Case 3
It is replaced by amber XX when the pressure value is not available as transmitted by the FWC or the SDAC.
The display can vary from 0 to 998 PSI in 2 PSI steps.
(3) Starter shutoff valve position indication
- Case 1
Open green when:
- Starter turbine selected speed data is valid.
- Start air valve closure data is valid.
- Start air valve is not closed or cooling message display is requested.
- Case 2
Closed green when:
- Starter turbine selected speed data is valid.
- Start air valve closure data is valid.
- Start air valve is closed.
- Cooling message display is not requested.
- Case 3
XX amber when:
- Starter turbine selected speed data or air valve closure data is invalid.
(4) Bleed pressure
- Case 1
Bleed pressure upstream of the precooler is normally green.
- Case 2
It becomes amber below 21 PSI with actual N2 greater than or equal to 10% and if the engine starter air valve is open or when there is an overpressure.
- Case 3
It is replaced by amber XX when the pressure value is not available as transmitted by the FWC or the SDAC.
The display can vary from 0 to 998 PSI in 2 PSI steps.
(5) Position indication of the starter shutoff valve
- Case 1
Open green: When the valve is fully open.
- Case 2
Closed green: When the valve is fully closed.
- Case 3
Amber "XX": When the parameter related to the position of a given starter shutoff valve is not valid at the DMC input.
(6) Bleed pressure
- Case 1
The bleed pressure upstream of the precooler is normally green.
- Case 2
It becomes amber below 21 psi with actual N2 greater than or equal to 10% and if the engine starter air valve is open or when there is an overpressure.
- Case 3
If the bleed pressure value (transmitted by the Flight Warning Computer (FWC) or the System Data Acquisition Concentrator (SDAC)) is not available, it is replaced by amber "XX".
(7) Position indication of the starter shutoff valve
- Case 1
Open green: The valve is fully open.
- Case 2
Closed green: The valve is fully closed.
- Case 3
Amber "XX" in a green circle: This indication comes into view when the parameter related to the position of a given starter shutoff valve is not correct at the DMC input.
(8) Bleed pressure
- Case 1
In normal conditions, the indication of the bleed pressure upstream of the precooler is shown in green.
- Case 2
The indication is shown in amber when the starter air supply is low or when the pressure of the engine starter air-valve is more than the permitted limits.
- Case 3
If the bleed pressure value (from the Flight Warning Computer (FWC) or the System Data Acquisition Concentrator (SDAC)) is not available, the amber XX indication is shown.
(9) Ignition indication
For a given engine, the indication of the selected ignitor A (case 1)
or B (case 2)
or AB (case 3) is green.
A blank is displayed when no ignitor is selected (case 4).
For a given engine, the indication of the selected ignitor A (case 1)
or B (case 2)
or AB (case 3) is green.
A blank is displayed when no ignitor is selected (case 4).
J. Nacelle Temperature
Item 9
The nacelle temperature indications are:
The display can vary from -95°C to +995°C in 5°C steps.
Item 9
The nacelle temperature indications are:
- Case 5
green and pulsing (when above 240°C) or green steady (when below 240°C).
(displayed when at least one temperature is above 240°C).
- Case 5
Green and steady in normal condition.
- Case 5
green and pulsing (when above 240°C) or green steady (when below 240°C).
- Case 6
Green and pulsing in case of advisory triggered upon EEC information.
In case of an advisory, an automatic SD SEN page call is performed in flight phases 2 and 6. Nacelle temperature indications are displayed for the two engines when an advisory is triggered at least on one engine. - Case 7
Amber XX is displayed in case of invalidity of the nacelle temperature parameter. - Case 8
When no advisory occurs on either engine, the title NAC and the nacelle temperatures are not displayed.
- Case 6
Green and pulsing in case of advisory.
The advisory is triggered when:
* The nacelle temperature is greater than or equal to 320°C (computed by the FWC).
The nacelle temperature indications are displayed for the two engines when an advisory is triggered at least on one engine. - Case 7
Amber "XX" is displayed in case of invalidity of the nacelle temperature parameter. - Case 8
When no advisory occurs on either engine, the nacelle temperature indications are not displayed.
- Case 6
Green and pulsing in case of advisory.
The advisory is triggered when:
* The nacelle temperature is greater than or equal to 240°C (computed by the Electronic Instrument System (EIS)).
NOTE: The nacelle temperature is reset by the EIS when it drops below 235°C.
The nacelle temperature indications are displayed for the two engines when an advisory is triggered at least on one engine. - Case 7
Amber "XX" is displayed in case of invalidity of the nacelle temperature parameter. - Case 8
When no advisory occurs on either engine, the nacelle temperature indications are not displayed.
The display can vary from -95°C to +995°C in 5°C steps.
K. Engine Oil Temperature
Item 7
Item 10
ENGINE Page - Display of the Parameter: OIL TEMPERATURE ** ON A/C NOT FOR ALL
ENGINE Page : Oil Temperature Indication ** ON A/C NOT FOR ALL
ENGINE Page - Display of the Parameter: OIL TEMPERATURE ** ON A/C NOT FOR ALL
The digital indication of the oil temperature is:
Item 7
Item 10
ENGINE Page - Display of the Parameter: OIL TEMPERATURE ** ON A/C NOT FOR ALL ENGINE Page : Oil Temperature Indication ** ON A/C NOT FOR ALL ENGINE Page - Display of the Parameter: OIL TEMPERATURE ** ON A/C NOT FOR ALL The digital indication of the oil temperature is:
(1) Case 1
Green and steady in normal operation.
Green and steady in normal operation.
(2) Case 1
Green and stable in normal operation. The oil temperature is in the permitted limits, or
Amber and stable when the temperature is less than 19 degrees Celsius for two seconds. This is to tell the crew that the oil temperature is not sufficient to increase the speed of the engine for the take-off.
If the Display Management Computer (DMC) receives from the Electronic Engine Control (EEC) a low oil temperature signal that gives an oil temperature between 17.5 degrees Celsius and 19 degrees Celsius, the oil temperature indication is amber and 20 degrees Celsius (the indication is rounded up to 20 degrees Celsius).
If the DMC receives from the EEC an oil temperature signal that gives an oil temperature between 15.1 degrees Celsius and 17.5 degrees Celsius, the oil temperature indication is amber and 15 degrees Celsius (the indication is rounded down to 15 degrees Celsius).
This oil temperature indication is shown in increments of five degrees Celsius.
Green and stable in normal operation. The oil temperature is in the permitted limits, or
Amber and stable when the temperature is less than 19 degrees Celsius for two seconds. This is to tell the crew that the oil temperature is not sufficient to increase the speed of the engine for the take-off.
If the Display Management Computer (DMC) receives from the Electronic Engine Control (EEC) a low oil temperature signal that gives an oil temperature between 17.5 degrees Celsius and 19 degrees Celsius, the oil temperature indication is amber and 20 degrees Celsius (the indication is rounded up to 20 degrees Celsius).
If the DMC receives from the EEC an oil temperature signal that gives an oil temperature between 15.1 degrees Celsius and 17.5 degrees Celsius, the oil temperature indication is amber and 15 degrees Celsius (the indication is rounded down to 15 degrees Celsius).
This oil temperature indication is shown in increments of five degrees Celsius.
(3) Case 2
green and pulses if the temperature exceeds 140°C (High oil temperature advisory)
green and pulses if the temperature exceeds 140°C (High oil temperature advisory)
(4) Case 2
Green and pulsing, if the temperature reaches or exceeds 155°C (oil temperature advisory).
It stops pulsing, if the temperature drops to or below 150°C.
Green and pulsing, if the temperature reaches or exceeds 155°C (oil temperature advisory).
It stops pulsing, if the temperature drops to or below 150°C.
(5) Case 2
Green and pulsing when the oil temperature reaches the high oil temperature advisory.
Green and pulsing when the oil temperature reaches the high oil temperature advisory.
(6) Case 2
Green and pulsing, if the temperature reaches or exceeds 140°C (oil temperature advisory).
It stops pulsing, if the temperature drops to or below 135°C.
Green and pulsing, if the temperature reaches or exceeds 140°C (oil temperature advisory).
It stops pulsing, if the temperature drops to or below 135°C.
(7) Case 3
amber (steady) if the temperature exceeds 155°C.
amber (steady) if the temperature exceeds 155°C.
(8) Case 3
Amber and steady if:
Amber and steady if:
- The temperature exceeds 165°C.
Or - The temperature drops below -10°C.
Or - A high temperature signal is transmitted by the FWC.
(9) Case 3
Amber (steady) if the temperature is:
Amber (steady) if the temperature is:
- Higher than the very high oil temperature limit
or - Lower than the oil temperature lower limit.
(10) Case 3
Amber and steady, if the temperature is greater than or equal to 155°C.
Or
If there is an alarm from the FWC.
Amber and steady, if the temperature is greater than or equal to 155°C.
Or
If there is an alarm from the FWC.
(11) Case 4
When the parameter is received as not valid by the DMC, the value is replaced by amber XX.
The display can vary from -99°C to +999°C.
When the parameter is received as not valid by the DMC, the value is replaced by amber XX.
The display can vary from -99°C to +999°C.
(12) Case 4
When the parameter is received as not valid by the DMC, the value is replaced by amber "XX".
The display can vary from -95°C to +995°C in 5°C steps.
When the parameter is received as not valid by the DMC, the value is replaced by amber "XX".
The display can vary from -95°C to +995°C in 5°C steps.