Fault_Inop_Test
Overheat / Fire Protection Panel
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.
Intentionally Left Blank
Aft Electronic Panel 700/800/900