W DOC AIRBUS | AMM A320F

Operational Test of the ECAM Control Panel

TASK 31-50-00-710-004-A
Operational Test of the ECAM Control Panel

WARNING: MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT. UNWANTED ELECTRICAL POWER CAN BE DANGEROUS.
ZONE: 210
1. Reason for the Job
Make sure that controls on the ECAM control panel operate correctly.
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
3. Job Set-up
Subtask 31-50-00-860-056-A
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)
4. Procedure
Subtask 31-50-00-710-054-A
A. Test
ACTION
RESULT
1.On the overhead CTL & IND panel 20VU, on the ENG/APU FIRE panel 1WD:

  • Push the ENG 1 loop/squib TEST pushbutton switch.
On the ENG/APU FIRE panel 1WD:

  • On the ENG 1 FIRE pushbutton switch, the ENG 1 FIRE legend comes on.
  • On the applicable AGENT 1 and AGENT 2 pushbutton switches (related to the ENG 1 Fire pushbutton switch),the SQUIB and DISCH legends come on.

On the ENG panel 115VU:

  • The FIRE legend of the ENG 1 pushbutton switch comes on.

On the glareshield panels 130VU and 131VU:

  • The MASTER WARN lights flash on the Captain and First Officer sides.

On the upper ECAM display unit (center instrument panel 4VU):

  • The red ENG 1 FIRE indication comes into view.

On the lower ECAM display unit (center instrument panel 4VU):

  • The ENGINE page automatically comes into view.

  • The repetitive chime operates.
2.On the ECAM control panel:

  • Push then release the EMER CANC pushbutton switch.
  • The aural warning stops.
3.Release the ENG 1 loop/squib TEST pushbutton switch.
  • All the above warnings go off.
4.On the ECAM control panel:

  • Set a system page.
  • Make sure that the system page set comes into view on the lower ECAM display unit.
  • On the ECAM control panel:
    * make sure that the light that relates to the system page set comes on.
  • Set again the same system page.
  • On the ECAM control panel:
    * The light that relates to the system page goes off.
    * On the lower ECAM display unit, the DOOR page comes into view.
  • Push and hold the ALL pushbutton switch.
  • On the ECAM control panel:
    * The light that relates to the system page in view comes on.
  • On the lower ECAM display unit , these system pages come into view in order for a few seconds :
    * ENG - BLEED - PRESS - ELEC - HYD - FUEL - APU - COND - DOOR - WHEEL - F/CTL.
  • Push and hold the T.O CONFIG pushbutton switch.
  • On the glareshield panels 130VU and 131VU:
    * The MASTER WARN lights flash.
    * You can hear the continuous repetitive chime (CRC).
  • On the upper ECAM display unit:
    * The CONFIG FLAPS NOT IN T.O CONFIG warning message comes into view.
  • Release the T.O CONFIG pushbutton switch.
  • On the glareshield panels 130VU and 131VU:
    * The MASTER WARN lights go off.
    * The continuous repetitive chime (CRC) stops.
  • On the upper ECAM display unit:
    * The CONFIG FLAPS NOT IN T.O CONFIG warning message goes out of view.
  • Push then release the STS pushbutton switch.
  • On the ECAM control panel:
    * The STS light comes on.
  • On the lower ECAM display unit:
    * The STATUS page comes into view.
5.Push the STS pushbutton switch until the DOOR page comes into view on the lower ECAM display unit.

5. Close-up
Subtask 31-50-00-860-057-A
A. Put the aircraft back to its initial configuration.
   (1) On the ECAM control panel, set the UPPER DISPLAY and LOWER DISPLAY potentiometers to OFF.
   (2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002)
   (3) Make sure that the work area is clean and clear of tools and other items.
[Rev.10 from 2021] 2026.04.01 08:43:48 UTC
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