I have a 2005 Mandalay with a Dometic refer, model NDR1292. During colder temps outside my refer turns off. Once the outside temps gets back into the higher 50s or 60 d range, the refer turns on. I d...
Have you tried turning 'Low Ambient Switch' ON when outside temps drop below 50*F?
You have 2 switches under top panel (open door and look up) One is a 'Climate Control Switch'----used during high summer temps/humidity. It energizes a 12V DC heater strip to help keep condensate from occurring (it pulls 12V DC continuously)
The other is 'Low Ambient Switch'----used when outside temps drop below 50*F. It keeps the interior light on when door is closed.
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