Engine Start and Ignition Panel

Engine Master Switch

OFF - When OFF is selected, the HP and LP fuel valves close, ignition is turned OFF, and both channels of the FADEC are reset.

ON - Selecting ENG MASTER switch to ON:

  • Opens the LP fuel valve if the ENG FIRE switch is IN
  • Initiates an automatic start, if the ENG MAN START switch is OFF
  • Initiates a manual start if the MAN START switch is ON