We had the same problem with our fridge in our (new) unit last year when we bought it. Took it back to the dealer and had them replace the whole fridge. I'd insist on it. My wife did, and she can be very persuasive...
I think they got a bad batch of fridges from Dometic at some point.
2015 XLR Hyperlite 30HFS5 (mods being performed regularly)
2009 Salem LA 292fkds (gone)
Nights- ('12)23 ('13)23 ('14)15 ('15)31 ('16)25
2014 Harley Davidson FLHX (XLR cargo)
2014 VW Jetta TDI (diesel sipper, camping support vehicle)
2011 Ram 2500 CC 4X4 CTD, B&W Companion (toy hauler hauler)