DOC AIRBUS | TSM A320FFailure of the Ground Auxiliary Power Control Unit
TASK 24-41-00-810-810-A
Failure of the Ground Auxiliary Power Control Unit
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 24-41-00-740-050-A ** ON A/C NOT FOR ALL
Subtask 24-41-00-810-059-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:26:53 UTC
Failure of the Ground Auxiliary Power Control Unit
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 24-41-00-740-002 | Operational Check of the GAPCU via the CFDS |
| AMM 24-41-34-000-001 | Removal of the Ground Power Control Unit (GPCU) |
| AMM 24-41-34-400-001 | Installation of the Ground Power Control Unit (GPCU) |
Subtask 24-41-00-740-050-A ** ON A/C NOT FOR ALL
A. Test
(1) Do the BITE test of the GAPCU AMM 24-41-00-740-002.
(a) If the BITE test gives the message TEST FAILED:
4. Fault Isolation(1) Do the BITE test of the GAPCU AMM 24-41-00-740-002.
(a) If the BITE test gives the message TEST FAILED:
- do the trouble shooting given in Para 4.A.
- stop the trouble shooting.
Subtask 24-41-00-810-059-A ** ON A/C NOT FOR ALL
A. If the BITE test gives the message TEST FAILED:
Subtask 24-41-00-810-059-C ** ON A/C NOT FOR ALL - Push the line key adjacent to the TEST FAILED message.
- Replace the MODULE DIODE UNIT [1164VD] .
- Replace the GAPCU [24XG] AMM 24-41-34-000-001 and AMM 24-41-34-400-001.
A. If the BITE test gives the message TEST FAILED:
Subtask 24-41-00-740-051-A ** ON A/C NOT FOR ALL - Push the line key adjacent to the TEST FAILED message.
- Replace the GAPCU [24XG] AMM 24-41-34-000-001 and AMM 24-41-34-400-001.
B. Do the test given in Para. 3.