Redshed Posted July 31, 2020 Share Posted July 31, 2020 I have a Thetford n175 fridge and it is working on all modes with no fault codes displayed but the external control board is making a buzzing/crackling noise continually, I have checked for loose connection and signs of arcing but nothing is visible, I have disconnected from supply and removed covers and checked visually, then turned supply back on and it still makes the noise is it a relay or do I need a new board , thanks Link to comment Share on other sites More sharing options...
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