DOC AIRBUS | TSM A320FAPU AUTO SHUT DOWN - LOSS OF SPEED, Speed Sensor Fault (APS 3200)
TASK 49-00-00-810-886-A
APU AUTO SHUT DOWN - LOSS OF SPEED, Speed Sensor Fault (APS 3200)
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 49-00-00-710-220-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 49-00-00-810-137-B ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:34:23 UTC
APU AUTO SHUT DOWN - LOSS OF SPEED, Speed Sensor Fault (APS 3200)
1. Possible Causes
SPEED SENSOR 1 (8060KM1) SPEED SENSOR 2 (8060KM2) - wiring
- ELECTRONIC CONTROL BOX [59KD]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ESPM 2052210 | |
| ESPM 2053210 | |
| ESPM 205321A | |
| AMM 49-00-00-710-008 | Operational Test of the APU |
| ASM 496102 | |
| AMM 49-61-34-000-002 | Removal of the Electronic Control Box (ECB) (APS 3200) |
| AMM 49-61-34-400-002 | Installation of the Electronic Control Box (ECB) (APS 3200) |
| AMM 49-71-13-000-002 | Removal of the Speed Sensor (APS 3200) |
| AMM 49-71-13-400-002 | Installation of the Speed Sensor (APS 3200) |
Subtask 49-00-00-710-220-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 49-00-00-810-137-B ** ON A/C NOT FOR ALL
A. If the APU Last Leg Report gives the maintenance message:
SPD SNSR1 (8060KM1) AND SPD SNSR2 (8060KM2)
Fault Code Number: 033
Additionally:
Fault Code Number(s):
027 or 028 or 029 or 092 or 093 or 100
and
030 or 031 or 032 or 094 or 095 or 101
Subtask 49-00-00-710-221-B ** ON A/C NOT FOR ALL SPD SNSR1 (8060KM1) AND SPD SNSR2 (8060KM2)
Fault Code Number: 033
Additionally:
Fault Code Number(s):
027 or 028 or 029 or 092 or 093 or 100
and
030 or 031 or 032 or 094 or 095 or 101
NOTE: FCN 027-032 and 092-095 on Class 3 Faults Page
NOTE: The APU SHUTDOWNS report gives the maintenance message:
LOSS OF SPEED - SPD SNSR1 (8060KM1) AND SPD SNSR2 (8060KM2)
APU Auto Shut Down Fault Code Number: 033
LOSS OF SPEED - SPD SNSR1 (8060KM1) AND SPD SNSR2 (8060KM2)
APU Auto Shut Down Fault Code Number: 033
- replace the
SPEED SENSOR 1 (8060KM1) and theSPEED SENSOR 2 (8060KM2) AMM 49-71-13-000-002 and AMM 49-71-13-400-002.
- do a check and repair the wiring from the ECB (59KD) AB/A10, A11 to the SPEED SENSOR 1 (8060KM1) P26/1, 2 ASM 496102. ESPM 2052210 ESPM 2053210 ESPM 205321A.
- do a check and repair the wiring from the ECB (59KD) AB/B5, B6 to the SPEED SENSOR 2 (8060KM2) P27/1, 2 ASM 496102 ESPM 2052210 ESPM 2053210 ESPM 205321A.
- replace the ELECTRONIC CONTROL BOX [59KD] AMM 49-61-34-000-002 and AMM 49-61-34-400-002.
B. Do the test given in Para. 3.