Display Selector
Ground Power and Bus Switching Panel
with associated APU Lights and Indicators
APU LOW OIL PRESSURE Light

Illuminated –

  • During start until the APU oil pressure is normal

  • Oil pressure is low causing an automatic shutdown (after
    the start cycle is complete).

  • If the light is illuminated when the APU switch is placed to
    OFF, the light will extinguish after 5 minutes.

  • The light is disarmed when the APU switch is in the OFF
    position.