Overheat / Fire Protection Panel
Fire and Overheat System Tests

The fire and overheat detection systems can be tested by
pushing and holding the FAULT/INOP and OVHT/FIRE
TEST switch. The switch is spring loaded to the neutral
position.

All test indications clear when switch is released.
FAULT / INOP Test Position

The FAULT and APU DET INOP warning lights illuminate.

The MASTER CAUTION and OVHT/DET Annunciator
illuminate.