Overheat / Fire Protection Panel
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FAULT/INOP Test
The fault detection circuits for both the engines and the APU are tested by
pushing and holding the FAULT/INOP and OVHT/FIRE TEST switch in the
FAULT/INOP position.
The indications for the FAULT/INOP test are:
- Both MASTER CAUTION lights illuminate.
- The OVHT/DET system annunciator light illuminates.
- The FAULT light illuminates.
- The APU DET INOP light illuminates.
Aft Electronic Panel 700/800/900