The most probable cause is loss of the controller power supply P/N 540-0006. This can be verified by opening the door to the control board and checking to see if LED's DS1-3 are extingusied too.
What's wrong if all the lights on my FM-T or FMi-T TX controller are extinguished? Print
Modified on: Tue, 8 Oct, 2019 at 12:57 PM
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