TM 1–1520–238–T–2
2–13
Table 2–1.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
APU DOES NOT RUN AND APU NO–GO FUEL
SOL NOT ON APPEARS ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT RUN AND APU NO–GO
IGNITION DOES NOT ON APPEAR ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT RUN AND APU NO–GO
IGNITION NOT OFF APPEARS ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT RUN AND APU NO–GO LOW
OIL PRESSURE APPEARS ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT RUN AND APU NO–GO
OVERSPEED APPEARS ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT RUN AND APU NO–GO
OVERTEMP APPEARS ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT RUN AND APU NO–GO PTO
CLUTCH APPEARS ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT RUN AND APU NO–GO START
RELAY APPEARS ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT RUN AND APU NO–GO
UNDERSPEED APPEARS ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT START
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU DOES NOT START AND APU NO–GO
UNDERSPEED APPEARS ON HOD
TM 1–1520–238–T–8
AUXILIARY POWER
UNIT
APU FIRE PULL HANDLE DOES NOT LIGHT
(PILOT APU FIRE TEST PANEL: FIRE TEST
DET SWITCH SET TO 1)
TM 1–1520–238–T–8
APU FIRE
DETECTION
APU FIRE PULL HANDLE DOES NOT LIGHT
(PILOT APU FIRE TEST PANEL: FIRE TEST
DET SWITCH SET TO 2)
TM 1–1520–238–T–8
APU FIRE
DETECTION
APU FIRE PULL HANDLE DOES NOT LIGHT
(PILOT MASTER CAUTION/WARNING PANEL:
PRESS TO TEST INDICATOR PRESSED)
TM 1–1520–238–T–6
PILOT CAUTION AND
WARNING SYSTEM
