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Old 03-03-2015, 08:53 AM   #1
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Dometic dmr702 problem

I have a 2015 Rockwood 2703ws. I am having issues with my fridge a dometic dmr702. It has power I in it on and switch it to auto. It's fine for a minute then throws the code saying display is not communicating with power module. What does this mean? I have checked all fuses and looked at wiring connections. All seem fine. Will not work electric or propane. Any ideas?? First camper new member
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Old 03-03-2015, 09:25 AM   #2
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Only thing I have found online is where to buy this particular model
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Old 03-03-2015, 09:40 AM   #3
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There's fuses behind your fridge on the circuit board have you checked those?
Glass old school fuses
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Old 03-03-2015, 09:40 AM   #4
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Would this be the manual you are looking for?
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File Type: pdf Dometic DMR refrigerator series.pdf (3.47 MB, 1674 views)
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Old 03-03-2015, 09:41 AM   #5
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Inside here.
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Old 03-03-2015, 09:42 AM   #6
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Both can be seen here.
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Old 03-03-2015, 10:01 AM   #7
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Quote:
Originally Posted by Rockwood2703 View Post
I have a 2015 Rockwood 2703ws. I am having issues with my fridge a dometic dmr702. It has power I in it on and switch it to auto. It's fine for a minute then throws the code saying display is not communicating with power module. What does this mean? I have checked all fuses and looked at wiring connections. All seem fine. Will not work electric or propane. Any ideas?? First camper new member
If display works for just a few seconds it's most likley not a fuse or power supply. If display board also has controls, it could be a bad connection in cabling between boards. Next either board could be bad not recognized during start up. If in a pinch you can always connect A/C direct to chimney with a switch for manual control, not for long however.
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Old 03-03-2015, 10:42 AM   #8
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I have checked those fuses.. Both were fine. Fridge is in a slide out and I went outside and into the panel to access these fuses.
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Old 03-03-2015, 11:02 AM   #9
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Fonzie that is the correct Manuel for my fridge dosent really do me any good
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Old 03-03-2015, 11:24 AM   #10
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VinceU.. Not sure what the chimney is and how long would that work.. I agree it is a cable from one board to another.. Maybe a bad board now the pictures bein shown have a bigger gap between the 110v and the power module
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Old 03-03-2015, 08:34 PM   #11
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Originally Posted by Rockwood2703 View Post
Fonzie that is the correct Manuel for my fridge dosent really do me any good
There are more Dometic dealers than just RV Dealers, you should contact one and not ruin your warranty.
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