FAULT CODE A7 (OR NO DISPLAY), AIRFRAME +28V DC SUPPLY EXPANDED INSTRUCTIONS
Check harness connector PL1 (figure 201) at DECU for tight connections.
Disconnect connector PL1 to check pins and sockets.
Before tightening harness connector PL1, be sure that keyway in harness connector is aligned with keyway in
Refer to manufacturer's procedure for diagnosing and replacing harness.