(2) Push the APU Master SW p/bsw and wait until the air-intake flap is in the open position.
(3) Push the APU Start SW p/bsw and check that the ON legend comes on.
(4) Release the APU Master SW p/bsw.
(5) Push the BAT1 and BAT2 p/bsw to the ON position.
4. Fault Isolation
_______________
A. If the ON legend is off:
- do the Operational Test of the Annunciator Light Test System in the Cockpit (Ref. AMM TASK 33-14-00-710-001).
(1) If the fault continues:
- replace the bulbs.
(a) If the fault continues:
(Ref. TASK 33-14-00-810-801).
(2) If the Annunciator Light Test is OK:
- check and repair the aircraft wiring between ECB (59KD) AB/H9 and RELAY BOARD (7LP) A/15 (Ref. ASM 49-42/01).
(a) If the fault continues:
- replace the ECB (59KD). (Ref. AMM TASK 49-61-34-000-001) and (Ref. AMM TASK 49-61-34-400-001).
B. Do the test given in para. 3.
TASK 49-00-00-810-991
APU AUTO Shutdown without Bite Message
1. Possible Causes
_______________
- water ingress in Panel 121AL
- Panel 108VU
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-10-00-700-001 Test Program after Removal/Installation of a VU panel
3. Fault Confirmation
__________________
A. Check
(1) Do a check for water ingress in Panel 121AL.
(2) Dry the panel 108VU.
(3) Do the test (Ref. AMM TASK 31-10-00-700-001) for panel 108VU.
4. Fault Isolation
_______________
A. If the test fails and/or the APU shutdown without BITE Message:
- replace Panel 108VU.
B. Do the test as Para. 3.A.
AIRBORNE AUXILARY POWER - GENERAL ((APS 3200)) - FAULT ISOLATION PROCEDURES
___________________________________________________________________________ TASK 49-00-00-810-878 APU AUTO SHUT DOWN - NO ACCELERATION, Main Start-Contactor Fault (APS 3200)
1. Possible Causes
_______________
- CONTACTOR-MAIN START (5KA)
- ECB (59KD)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 49-00-00-710-008 Operational Test of the APU (APS 3200)
AMM 49-42-55-000-001 Removal of the Start Contactors (5KA,10KA)
AMM 49-42-55-400-001 Installation of the Start Contactors (5KA,10KA)
AMM 49-61-34-000-002 Removal of the Electronic Control Box (ECB) (59KD)
(APS 3200) AMM 49-61-34-400-002 Installation of the Electronic Control Box (ECB) (59KD) (APS 3200) ASM 49-42/01
3. Fault Confirmation
__________________
A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008).
4. Fault Isolation
_______________
A. Maintenance Action
(1) If the APU Last Leg Report gives the maintenance message:
CONTACTOR (5KA):
Fault Code Number: 051
Additionally:
Fault Code Number: 128
NOTE : The APU SHUTDOWNS report gives the maintenance message:
____ NO ACCELERATION - CONTACTOR (5KA) APU Auto Shut Down Fault Code Number: 051
- replace the CONTACTOR-MAIN START (5KA) (Ref. AMM TASK 49-42-55-000-001) and (Ref. AMM TASK 49-42-55-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-106, 108-149, 211-299, 301-399, ∞∞49-00-00∞∞∞∞∞∞∞∞∞∞Page 201
Config-2 Aug 01/05 CES (a) If the fault continues:
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
(2) If the APU Last Leg Report gives the maintenance message:
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