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Ruth GarzaAug 17, 2025
What to do if L-3 Communications 805-11900-001 Avionics Display remains dark after power ON?
- SSamantha HamiltonAug 17, 2025
If the L-3 Communications Avionics Display remains dark after powering on, take these steps: * Check the WX-1000 maintenance switch position (NORMAL/OVERRIDE). * Check and reset the circuit breaker if it's tripped. * Verify the aircraft power source. * Check the connection to the WX-1000 processor, if installed. * Check the power input at the TRC mating connector. P8-A +28V (18 - 32 V dc PWR) P8-B +28V_RET (AIRCRAFT PWR RETURN). Also, check the cables connected to the display, and replace the display if necessary.
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