Dometic RM3962 reefer cools fine on elec not propane
My refrigerator cools just fine when operating on 110v but when running on propane takes a long time to cool or if already chilled will warm up a good 10-15 degrees within a few hours. I've replaced the burner assy (which glows a nice blue flame). I've added a thermostatically controlled vent in the chimney to draw warm air out. I've adjusted the thermistor. I contacted Dometic's technical service hotline and they say it's 'normal'. I doubt that's true because anyone that dry camps on battery would have spoiled food and warm drinks within hours. As an example, if I have a refrigerator compartment chilled to 36 degrees on electric and switch to propane either rolling down the road or if the trailer is in my driveway, the compartment temps will rise to 46-50 degrees....or more! I've verified that with a remote indoor\outdoor digital thermometer.The old Norcold in my Jayco TT never had that problem. The boiler when running on propane is HOT to the touch. The absorber tubes are air temp or slightly warm at best. Does this indicate a blockage in the cooling unit somewhere? If a blockage is suspected, wouldn't that be the same issue even when running on 110v? I've puzzled and puzzled until my puzzler was sore.....
Any thoughts? Mike
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