W DOC AIRBUS | AMM A320F

Operational Check of Cargo Compartment Smoke Detection by PTT

TASK 26-16-00-710-001-A
Operational Check of Cargo Compartment Smoke Detection by PTT

ZONE: 210
1. Reason for the Job
Refer to the MPD TASK: 261600-03
OPERATIONAL CHECK OF CARGO COMPARTMENT SMOKE DETECTION BY PTT
2. Job Set-up Information
 A. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
 B. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-60-00-860-001-A
EIS Start Procedure
TASK 31-60-00-860-002-A
EIS Stop Procedure
3. Job Set-up
Subtask 26-16-00-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
   (2) On the overhead panel 22VU, make sure that the FWD ISOL VALVE pushbutton switch is on (the OFF light is off).
   (3) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
   (4) Make sure that the ENGINE/WARNING page shows on the ECAM upper display unit.
Subtask 26-16-00-860-050-B ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
   (2) On the overhead panel 22VU, make sure that the AFT ISOL VALVE pushbutton switch is on (the OFF light off).
   (3) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
   (4) Make sure that the ENGINE/WARNING page shows on the ECAM upper display unit.
Subtask 26-16-00-860-050-D ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
   (2) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
   (3) Make sure that the ENGINE/WARNING page shows on the ECAM upper display unit.
Subtask 26-16-00-865-065-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAIR COND/SDCU/CHAN111WQC06
** ON A/C NOT FOR ALL
49VUCOM/CIDS/DIR ESS/2157RHG02
** ON A/C NOT FOR ALL
49VUCOM/CIDS/DIR ESS/1150RHG01
** ON A/C NOT FOR ALL
49VUAIR COND/AFT CARGO/VENT/CTL & MONG31HNC07
** ON A/C NOT FOR ALL
49VUAIR COND/AFT CARGO/VENT & HTG/CTL & MONG31HNC07
** ON A/C NOT FOR ALL
49VUAIR COND/CIDS/SDF/DIR2 ESS18WHC06
49VUAIR COND/CIDS/SDF/DIR1 ESS15WHC05
** ON A/C NOT FOR ALL
49VUAIR COND/CARGO FIRE/EXTIG/BTL11WXC03
** ON A/C NOT FOR ALL
49VUCOM DIR ESS/2157RHG02
** ON A/C NOT FOR ALL
49VUAIR COND/FWD CARGO/VENT/CTL & MONG2HNC08
49VUCOM NAV/CIDS/DIR2 ESS157RHG02
49VUCOM NAV/CIDS/DIR1 ESS150RHG01
** ON A/C NOT FOR ALL
49VUAIR COND/CARGO FIRE/EXTIG/BTL28WXC05
49VUAIR COND/CARGO/FIRE/EXTIG/BTL11WXC04
** ON A/C NOT FOR ALL
49VUAIR COND/CARGO FIRE/EXTIG/BTL28WXC04
** ON A/C NOT FOR ALL
49VUAIR COND/CARGO/FIRE/EXTIG/BTL11WXC03
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DIR NORM/2156RHM06
121VUCOM NAV/CIDS/DIR NORM/1151RHM05
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DIR NORM/2156RHM07
121VUCOM NAV/CIDS/DIR NORM/1151RHM06
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DIR2 NORM156RHM06
121VUCOM NAV/CIDS/DIR1 NORM151RHM05
** ON A/C NOT FOR ALL
122VUAIR COND/SDCU/CHAN212WQT18
** ON A/C NOT FOR ALL
122VUAIR COND/ZONE TEMP CTL/28VDC/SYS24HKV20
122VUAIR COND/ZONE TEMP CTL/28VDC/SYS13HKV19
122VUAIR COND/ZONE TEMP CTL/115VAC/SYS22HKV18
122VUAIR COND/ZONE TEMP CTL/115VAC/SYS11HKV17
** ON A/C NOT FOR ALL
122VUAIR COND/CARGO/FIRE/EXTIG1WXT19
** ON A/C NOT FOR ALL
122VUAIR COND/AFT CARGO VENT/FAN30HNS22
** ON A/C NOT FOR ALL
122VUAIR COND/CIDS/SDF/DIR NORM/214WHT18
122VUAIR COND/CIDS/SDF/DIR NORM/117WHT17
** ON A/C NOT FOR ALL
122VUFWD CARGO VENT AND HTG/FAN1HNT22
4. Procedure
Subtask 26-16-00-710-050-F ** ON A/C NOT FOR ALL
A. Test of the Cargo-Compartment Smoke-Detection System
   (1) Make sure that the SDCU is supplied with power for a minimum of one minute before you start the test.
NOTE: During the test, if the ECAM shows the messages that follow, you can ignore them:
  • CAB FANS...........OFF
  • .IF FWD CRG CLOSED:
  • .IF AFT CRG CLOSED:.
NOTE: If there is an overflow (more than 7 lines of the text) a special symbol (an arrow) comes into view at the bottom of the upper ECAM display unit. The scrolling of the message lines is controlled by the CLR key on the center pedestal of the ECAM control panel.
   (2) Do this test:
ACTION
RESULT
1.On the cockpit overhead panel 22VU:
On the cockpit overhead panel 22VU:
  • Push and hold the TEST pushbutton switch (16WH) for approximately 20 seconds.
  • The DISCH 1/DISCH 2 (12WX) and the DISCH AGENT 2 (13WX) lights come on.

On the glareshield panels 130VU and 131VU:
  • The MASTER CAUTION lights flash.
  • You hear the single chime.

On the ECAM upper display unit:
The message
  • SMOKE DISCH AGENT2
    shows.

On the ECAM lower display unit, on the COND page:
  • The aft cargo-compartment isolation-valve symbols open.

After approximately 5 seconds:

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) lights come on.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the Continuous Repetitive Chime (CRC).

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ......AFT CARGO SMOKE
  • ...AFT ISOL VALVE...OFF
  • SMOKE DISCH AGENT 2
    shows.

On the ECAM upper display unit:
The message
  • ...AFT ISOL VALVE...OFF
    goes out of view.

On the ECAM lower display unit, on the COND page:
  • The aft cargo-compartment isolation-valve symbols close.

On the cockpit overhead panel 22VU:
  • Release the TEST pushbutton switch (16WH).
  • The DISCH 1/DISCH 2 (12WX) and the DISCH AGENT 2 (13WX) lights go off.

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ......AFT CARGO SMOKE
    shows.

After approximately 3 seconds:

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ...AGENT.1........DISCH
  • ......AFT CARGO SMOKE
  • ...AGENT.1........DISCH
    shows.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN and the MASTER CAUTION lights go off.
  • The CRC stops.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights go off.

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ...AGENT.1........DISCH
  • ......AFT CARGO SMOKE
  • ...AGENT.1........DISCH
    goes out of view.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the CRC.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights come on.

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ...AGENT.1........DISCH
  • ..... AFT CARGO SMOKE
  • ...AFT ISOL VALVE...OFF
  • ...AGENT.1........DISCH
    shows.

On the ECAM lower display unit, on the COND page:
  • The aft cargo-compartment isolation-valve symbols open.

In the cockpit:
  • After a maximum of 15 seconds all warnings and indications go off.
Subtask 26-16-00-710-050-H ** ON A/C NOT FOR ALL
A. Test of the Cargo-Compartment Smoke-Detection System
   (1) Make sure that the SDCU is supplied with power for a minimum of one minute before you start the test.
NOTE: During the test, if the ECAM shows the messages that follow, you can ignore them:
  • CAB FANS...........OFF
  • .IF FWD CRG CLOSED:
  • .IF AFT CRG CLOSED:.
NOTE: If there is an overflow (more than 7 lines of the text) a special symbol (an arrow) comes into view at the bottom of the upper ECAM display unit. The scrolling of the message lines is controlled by the CLR key on the center pedestal of the ECAM control panel.
   (2) Do this test:
ACTION
RESULT
1.On the cockpit overhead panel 22VU:
On the cockpit overhead panel 22VU:
  • Push and hold the TEST pushbutton switch (13WH) for approximately 20 seconds.
  • The FWD DISCH and the AFT DISCH indication lights come on.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash and a continuous repetitive chime is heard.

On the ECAM upper display unit, this message is seen:
  • SMOKE FWD CARGO SMOKE
  • ......AFT CARGO SMOKE
  • ...AFT ISOL VALVE...OFF.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE and the AFT SMOKE indication lights come on.

On the ECAM upper display unit, this message goes off:
  • ...AFT ISOL VALVE...OFF.

On the ECAM lower display unit:
  • The aft cargo-compartment isolation-valve symbols close.

On the cockpit overhead panel 22VU:
  • Release the TEST pushbutton switch (13WH).
  • The FWD DISCH and the AFT DISCH indication lights go off.

On the ECAM upper display unit, this message is seen:
  • SMOKE FWD CARGO SMOKE
  • ...AGENT...........DISCH
  • ......AFT CARGO SMOKE
  • ...AGENT...........DISCH.

On the ECAM lower display unit:
  • The aft cargo-compartment isolation-valve symbols open.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights go off.
  • The continuous repetitive chime is cancelled.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE and the AFT SMOKE indication lights go off.

On the ECAM upper display unit, this message goes off:
  • SMOKE FWD CARGO SMOKE
  • ...AGENT...........DISCH
  • ......AFT CARGO SMOKE
  • ...AGENT...........DISCH.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash and a continuous repetitive chime is heard.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE and the AFT SMOKE indication lights come on.

On the ECAM upper display unit, this message is seen:
  • SMOKE FWD CARGO SMOKE
  • ...AGENT...........DISCH
  • ......AFT CARGO SMOKE
  • ...AFT ISOL VALVE...OFF
  • ...AGENT...........DISCH.

On the ECAM lower display unit, on the COND page:
  • The aft cargo-compartment isolation-valve symbols show open.

In the cockpit:
  • After a maximum of 15 seconds all warnings and indications go off.
Subtask 26-16-00-710-050-V ** ON A/C NOT FOR ALL
A. Test of the Cargo-Compartment Smoke-Detection System
   (1) The two CIDS-SDF channels and all cargo-compartment smoke detectors must be supplied with power for 30 seconds before you start the test.
NOTE: During the test, if the ECAM shows the messages that follow, you can ignore them:
  • CAB FANS...........OFF
  • .IF FWD CRG CLOSED:
  • .IF AFT CRG CLOSED:.
NOTE: If there is an overflow (more than 7 lines of the text) a special symbol (an arrow) comes into view at the bottom of the upper ECAM display unit. The scrolling of the message lines is controlled by the CLR key on the center pedestal of the ECAM control panel.
NOTE: If only one of the two SDF channels operates, the smoke warnings/indications come on only one time.
   (2) Do this test:
ACTION
RESULT
1.On the cockpit overhead panel 22VU:
On the cockpit overhead panel 22VU:
  • Push and hold the TEST pushbutton switch (13WH) for approximately 3 seconds.
  • The FWD DISCH and the AFT DISCH indication lights come on.

After approximately 3 to 5 seconds:

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the Continuous Repetitive Chime (CRC).

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ...AGENT...........DISCH
  • ......AFT CARGO SMOKE
  • ...AGENT...........DISCH
    shows.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights come on.

On the cockpit overhead panel 22VU:
  • Release the TEST pushbutton switch (13WH).
  • The FWD DISCH and the AFT DISCH indication lights go off.

After approximately 3 to 5 seconds:

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ...AGENT...........DISCH
  • ......AFT CARGO SMOKE
  • ...AGENT...........DISCH
    goes out of view.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights go off.
  • The CRC stops.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights go off.

After approximately 3 to 5 seconds:

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the CRC.

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ...AGENT...........DISCH
  • ......AFT CARGO SMOKE
  • ...AGENT...........DISCH
    shows.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights come on.

After approximately 3 to 5 seconds:

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ...AGENT...........DISCH
  • ......AFT CARGO SMOKE
  • ...AGENT...........DISCH
    goes out of view.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights go off.
  • The CRC stops.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights go off.
Subtask 26-16-00-710-050-W ** ON A/C NOT FOR ALL
A. Test of the Cargo-Compartment Smoke-Detection System
   (1) The two CIDS-SDF channels and all cargo-compartment smoke detectors must be supplied with power for 30 seconds before you start the test.
NOTE: During the test, if the ECAM shows the messages that follow, you can ignore them:
  • CAB FANS...........OFF
  • .IF FWD CRG CLOSED:
  • .IF AFT CRG CLOSED:.
NOTE: If there is an overflow (more than 7 lines of the text) a special symbol (an arrow) comes into view at the bottom of the upper ECAM display unit. The scrolling of the message lines is controlled by the CLR key on the center pedestal of the ECAM control panel.
NOTE: If only one of the two SDF channels operates, the smoke warnings/indications come on only one time.
   (2) Do this test:
ACTION
RESULT
1.On the cockpit overhead panel 22VU:
On the cockpit overhead panel 22VU:
  • Push and hold the TEST pushbutton switch (13WH) for approximately 20 seconds.
  • The FWD DISCH and the AFT DISCH indication lights come on.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the Continuous Repetitive Chime (CRC).

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ......AFT CARGO SMOKE
  • ...AFT ISOL VALVE...OFF
    shows.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights come on.

On the ECAM upper display unit:
The message
  • ...AFT ISOL VALVE...OFF
    goes out of view.

On the ECAM lower display unit:
  • The aft cargo-compartment isolation-valve symbols close.

On the cockpit overhead panel 22VU:
  • Release the TEST pushbutton switch (13WH).
  • The FWD DISCH and the AFT DISCH indication lights go off.

On the ECAM lower display unit:
  • The aft cargo-compartment isolation-valve symbols open.

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ...AGENT...........DISCH
  • ......AFT CARGO SMOKE
  • ...AGENT...........DISCH
    goes out of view.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights go off.
  • The CRC stops.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights go off.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the CRC.

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • ...AGENT...........DISCH
  • ......AFT CARGO SMOKE
  • ...AFT ISOL VALVE...OFF
  • ...AGENT...........DISCH
    shows.

On the ECAM lower display unit, on the COND page:
  • The aft cargo-compartment isolation-valve symbols open.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights come on.

In the cockpit:
  • After a maximum of 15 seconds all warnings and indications go off.
Subtask 26-16-00-710-050-Z ** ON A/C NOT FOR ALL
A. Test of the Cargo-Compartment Smoke-Detection System
   (1) The two CIDS-SDF channels and all cargo-compartment smoke detectors must be supplied with power for 30 seconds before you start the test.
NOTE: During the test, it is necessary to push the TEST button (16WH) with some force. If you push it too lightly, the unwanted ECAM warnings that follow can come into view:
  • FWD CARGO BTL 1 FAULT
  • AFT CARGO BTL 1 FAULT
  • FWD CARGO BTL 2 FAULT
  • AFT CARGO BTL 2 FAULT.
If a fault message occurs, it is necessary to do a reset of the SDF channels 1 and 2 (15WH, 18WH, 17WH and 14WH).
NOTE: During the test, if the ECAM shows the messages that follow, you can ignore them:
  • CAB FANS...........OFF
  • .IF FWD CRG CLOSED:
  • .IF AFT CRG CLOSED:.
NOTE: If only one of the two SDF channels operates, the smoke warnings/indications come on only one time.
NOTE: If there is an overflow (more than 7 lines of the text) a special symbol (an arrow) comes into view at the bottom of the upper ECAM display unit. The scrolling of the message lines is controlled by the CLR key on the center pedestal of the ECAM control panel.
   (2) Do this test:
ACTION
RESULT
1.On the cockpit overhead panel 22VU:
On the cockpit overhead panel 22VU:
  • Push the TEST pushbutton switch (16WH).
  • The DISCH 1/DISCH 2 (12WX) and the DISCH AGENT 2 (13WX) indication lights come on.

  • Release the TEST pushbutton switch (16WH).
  • The DISCH 1/DISCH 2 (12WX) and the DISCH AGENT 2 (13WX) indication lights go off.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARNING lights flash.
  • You hear the Continuous Repetitive Chime (CRC).

On the ECAM upper display unit:
The message:
  • SMOKE FWD CARGO SMOKE
  • AGENT.1........DISCH
  • ......AFT CARGO SMOKE
  • AGENT.1........DISCH
    shows.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights come on.

After several seconds:

On the glareshield panels 130VU and 131VU:
  • The MASTER WARNING lights go off.
  • The CRC stops.

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • AGENT.1........DISCH
  • ......AFT CARGO SMOKE
  • AGENT.1........DISCH
    goes out of view.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights go off.

After several seconds:

On the glareshield panels 130VU and 131VU:
  • The MASTER WARNING lights flash.
  • You hear the CRC.

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • AGENT.1........DISCH
  • ......AFT CARGO SMOKE
  • AGENT.1........DISCH
    shows.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights come on.

In the cockpit:
  • After several seconds all warnings and indications go off.
Subtask 26-16-00-710-050-AH ** ON A/C NOT FOR ALL
A. Test of the Cargo-Compartment Smoke-Detection System
   (1) The two CIDS-SDF channels and all cargo-compartment smoke detectors must be supplied with power for 30 seconds before you start the test.
NOTE: During the test, it is necessary to push the TEST button (16WH) with some force. If you push it too lightly, the unwanted ECAM warnings that follow can come into view:
  • FWD CARGO BTL 1 FAULT
  • AFT CARGO BTL 1 FAULT
  • FWD CARGO BTL 2 FAULT
  • AFT CARGO BTL 2 FAULT.
If a fault message occurs, it is necessary to do a reset of the SDF channels 1 and 2 (15WH, 18WH, 17WH and 14WH).
NOTE: During the test, if the ECAM shows the messages that follow, you can ignore them:
  • CAB FANS...........OFF
  • .IF FWD CRG CLOSED:
  • .IF AFT CRG CLOSED:.
NOTE: If only one of the two SDF channels operates, the smoke warnings/indications come on only one time.
NOTE: If there is an overflow (more than 7 lines of the text) a special symbol (an arrow) comes into view at the bottom of the upper ECAM display unit. The scrolling of the message lines is controlled by the CLR key on the center pedestal of the ECAM control panel.
   (2) Do this test:
ACTION
RESULT
1.On the cockpit overhead panel 22VU:
On the cockpit overhead panel 22VU:
  • Push and hold the TEST pushbutton switch (16WH) for approximately 20 seconds.
  • The DISCH 1/DISCH 2 (12WX) and the DISCH AGENT 2 (13WX) indication lights come on.

After approximately 3 to 5 seconds:

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the Continuous Repetitive Chime (CRC).

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • AGENT 1..........DISCH
  • ......AFT CARGO SMOKE
  • ...AFT ISOL VALVE...OFF
  • AGENT 1..........DISCH
    shows.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights come on.

On the ECAM upper display unit:
The message
  • ...AFT ISOL VALVE...OFF
    goes out of view.

On the ECAM lower display unit:
  • The aft cargo-compartment isolation-valve symbols close.

On the cockpit overhead panel 22VU:
  • Release the TEST pushbutton switch (16WH).
  • The DISCH 1/DISCH 2 (12WX) and the DISCH AGENT 2 (13WX) indication lights go off.

On the ECAM lower display unit:
  • The aft cargo-compartment isolation-valve symbols open.

After approximately 3 to 5 seconds:

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • AGENT 1..........DISCH
  • ......AFT CARGO SMOKE
  • AGENT 1..........DISCH
    goes out of view.

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights go off.
  • The CRC stops.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights go off.

After approximately 3 to 5 seconds:

On the glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the CRC.

On the ECAM upper display unit:
The message
  • SMOKE FWD CARGO SMOKE
  • AGENT 1..........DISCH
  • ......AFT CARGO SMOKE
  • ...AFT ISOL VALVE...OFF
  • AGENT 1..........DISCH
    shows.

On the ECAM lower display unit, on the COND page:
  • The aft cargo-compartment isolation-valve symbols show open.

On the cockpit overhead panel 22VU:
  • The FWD SMOKE (11WH) and the AFT SMOKE (12WH) indication lights come on.

In the cockpit:
  • After a maximum of 15 seconds all warnings and indications go off.
Subtask 26-16-00-710-050-CU ** ON A/C NOT FOR ALL
A. Test of the Cargo-Compartment Smoke-Detection System
   (1) Supply power to the two CIDS-SDF channels and all the cargo-compartment smoke detectors for 30 seconds before you start the test.
NOTE: During the test, if the ECAM shows the messages that follow, you can ignore them:
  • CAB FANS...........OFF
  • IF FWD CRG CLOSED:
  • IF AFT CRG CLOSED:.
NOTE: If the messages have more than 7 lines of text, a special symbol (an arrow) comes into view at the bottom of the upper ECAM display-unit. The scrolling of the message lines is controlled by the CLR key on the center pedestal of the ECAM control panel.
NOTE: If only one of the two SDF channels operates, the smoke warnings/indications come on only one time.
   (2) Do the test that follows:
ACTION
RESULT
1.On cockpit overhead-panel 22VU:
On cockpit overhead-panel 22VU:
  • Push and hold the TEST pushbutton switch (13WH) for approximately 20 seconds.
  • BTL 1 and BTL 2 indication lights come on.

After approximately 2 to 5 seconds:

On glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the Continuous Repetitive Chime (CRC).

On the upper ECAM display-unit, the messages that follow are shown:
  • SMOKE FWD CARGO SMOKE
  • SMOKE AFT CARGO SMOKE.

On cockpit overhead-panel 22VU:
  • SMOKE FWD CARGO and the SMOKE AFT CARGO indication lights come on.

On cockpit overhead-panel 22VU:
  • Release the TEST pushbutton switch (13WH).
  • BTL 1 and BTL 2 indication lights go off.

After approximately 2 to 3 seconds:

On glareshield panels 130VU and 131VU:
  • The MASTER WARN lights go off.
  • The CRC stops.

On the upper ECAM display-unit, the messages that follow will go out of view:
  • SMOKE FWD CARGO SMOKE
  • SMOKE AFT CARGO SMOKE.

On cockpit overhead-panel 22VU:
  • SMOKE FWD CARGO and SMOKE AFT CARGO indication lights go off.

After approximately 2 to 5 seconds:

On glareshield panels 130VU and 131VU:
  • The MASTER WARN lights flash.
  • You hear the CRC.

On the upper ECAM display-unit, the messages that follow are shown:
  • SMOKE FWD CARGO SMOKE
  • SMOKE AFT CARGO SMOKE.

On cockpit overhead-panel 22VU:
  • SMOKE FWD CARGO and SMOKE AFT CARGO indication lights come on.

In the cockpit:
  • After a maximum of 15 seconds, all warnings and indications go off.
5. Close-up
Subtask 26-16-00-860-051-A
A. Put the aircraft back to its initial configuration.
   (1) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
   (2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.03.31 23:43:51 UTC
"Aviabrain" 2025