Question about Dometic Rooftop RV Air Conditioner
Penquin 630516 on RV replaced under warranty 01/24/06. This has a delayed start with controller managing two A/C (front and rear). The front does not kick on and emits a "hot plastic smell".
Sounds like you have either an bad Start Capacitor/PCTR or have burned out the controls of the front unit. Get on the roof and remove the upper shroud of the front unit. Access the capacitors by removing the cover on the side of the AC. The capacitor that you are looking at has a black "relay" attached to it. Visibly inspect this for electrical damage or charring. If so, replace it. If this looks fine, then put everything back and head inside.
Remove the inner shroud from the AC and pull down the control box. Remove the cover from the control box and inspect the 120V connections for ok. If they are burned, you can often cut them back to clean wire and reattach. If these look fine, remove the entire cover and inspect the 120V wires at the relays. If they are burned, replace the control unit.
Hope this helps,
Posted on Jul 05, 2009
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Posted on Jan 02, 2017
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