Question about Dometic Rooftop RV Air Conditioner
Duo Therm Penquin model 630516 on RV hums a bit but does not kick on. Also emits a "hot plastic odor". Entire unit was replaced in Jan., 2006. R/R Starter Capacitor was replaced June, 2007.
The hot plastic smell is usually a telltale sign that the Start Capacitor has gone out again. Remove the upper shroud and the cover to the access panel. You should be able to physically look at the PTCR to tell if it is burned. If all that looks fine, then from the inside, remove the inner shroud and then control box. Open the control box and inspect the relays and connections for OK. You problem is more than likely one of those two places.
Hope this helps,
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Posted on Jul 04, 2009
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Posted on Jan 02, 2017
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