have you checked the all the doors? if the fault is only with 1 door look for the "push" switch in the frame of the door, tp fix remove switch and earth lead going to switch, that should fix it, if all doors the feed to light from doors is defective check for a bad contact in light switch on unit, there should be 3 positions
- one position fully off
- 2nd position turn on manualy ( this over rides the door functions)
- 3rd position door activation mode
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