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Topic ClosedDometic fridge problem
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Joined: 23 Jul 2018
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Posts: 5290 		Direct Link To This Post Topic: Dometic fridge problem
    Posted: 20 May 2020 at 2:19pm
It probably wouldn't  be a problem with the 120Vac power as you can't get the control board to select propane operation either. If you've already tried a full reset by removing 12V power at the battery as well as shore power then its sounding like the control board to me. Those are crazy expensive if you can even get one unfortunately. 

If you do a google search for rm8501 manual one of the links is the manual in pdf format. There is a basic troubleshooting section but also the error codes, which might be helpful. 
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Posts: 5 		Direct Link To This Post Posted: 20 May 2020 at 1:34pm
Stephen all these items have been checked.
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Posts: 5 		Direct Link To This Post Posted: 20 May 2020 at 1:34pm
I have done all the items you have suggested.
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StephenH View Drop Down
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Location: Wake Forest, NC
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Posts: 6289 		Direct Link To This Post Posted: 20 May 2020 at 12:46pm
Have you checked the AC outlet behind the refrigerator to make sure it has AC power? If it doesn't, is the GFI outlet tripped? Is the breaker for the circuit tripped? Is the trailer plugged in?

Were you able to switch it before? Are you pressing the button once? twice? It may take two pushes of the button for it to switch. The fact that it does work at all is good. The default is to return to the last operating state when starting up. Beyond trying these things, you can look at this troubleshooting chart. It isn't specifically for the RM8501, but it does explain how the refrigerator works quite well.
StephenH
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dwheeze View Drop Down
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Posts: 5 		Direct Link To This Post Posted: 20 May 2020 at 12:29pm
Could use a bit of help.... I have a Dometic fridge RM 8501, in my RPOD 178 (2017). My fridge will only run in DC mode and will not switch to 110Vac or gas. I am more concerned about 110vac, then gas.

I have checked all my fuses, GFI (in unit and at fridge) and taken the cover off the back to look for any possible causes like loose wires and such on control module. Propane stove works 😁. I have tried multiple panel combinations to get to switch to shore power or gas but it will not. Panel is operating, as I can power fridge on / off, but it always goes to battery mode. When pod is connected to shore power, it takes DC from convertor board and I was able to camp this weekend. I just cant switch fridge to gas or 120vac... I am extremely frustrated to say the least.
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