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Thread: Frig Problems
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06-08-2019, 10:14 AM #1
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Frig Problems
Need a little help on my refrigerator. I have a 303 with a Dometic frig. I’m hooked up to shore power with the frig in auto. I think it is running only on LP as both the auto and LP LED is illuminated.
I tried to force it to operate on electrical by shutting the LP off and I get the flashing LP/temperature indication and it slowly starts warming up. Start the LP back up and it starts to cool.
I checked the fuse and it’s ok, can’t find the power cord to make sure its plugged in. Turned it off for a couple minutes and restarted. No luck...
Appreciate any suggestions?
Thanks.
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06-08-2019, 10:41 AM #2
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Hi: If you have the Dometic four door refrigerator the plug is outside behind the bottom vent cover. Look to the right you should see a plug for the refrigerator cord. Also do you have any breakers or GFI tripped? Iam not sure if you mean circuit breaker for the word fuse.
2018 Reflection 337RL / 2022 GMC Denali 3500HD CC LB Diesel
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06-08-2019, 01:24 PM #3
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Found the plug and it was plugged in and the outlet works. Circuit breaker was not tripped and only could find 1 GFCI outlet.
Any other ideas out there?
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06-09-2019, 05:17 AM #4
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Probably the main board. They are junk. There's a lot better board out there after market, check Amazon.
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06-09-2019, 05:45 AM #5
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Thanks. Is the board easy to reach? Any lead on what board I need?
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06-09-2019, 07:29 AM #6
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Before you buy a new board there should be some fuses for the fridge. From page 18 of the manual there are 2 fuses on the circuit board, a 3A and 5A. I would pull those and check with an ohmmeter to see if they are good or not. Might just be a blown fuse. Not sure how to access the board though as I have never had the honour of doing that yet.
RobRob & Barb
2022 Solitude 378MBS
2022 RAM 3500 SRW HO Aisin 4x4
Waterloo, Ontario, Canada
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06-09-2019, 10:50 AM #7
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Rob
Probably a dumb question but if the fuses were bad would I even be able to use the frig on LP?
This forum is a great wealth of knowledge!
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06-09-2019, 11:16 AM #8
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There are 2 circuits, one 12V and one 120V from what I can see in the schematic. If one of the 120V fuses are blown the fridge would still work on 12V. In the schematic there is another fuse besides the ones I was mentioning that is in the 12V line. Hate to see you change the board if one of the 120V fuses is just the culprit.
RobRob & Barb
2022 Solitude 378MBS
2022 RAM 3500 SRW HO Aisin 4x4
Waterloo, Ontario, Canada
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06-09-2019, 11:24 AM #9
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Before you take anything apart, try turning the fridge off for a few minutes and then on again in electric mode.
Jeff and Jen
2016 F250 CC Lariat 4x4 6.7L, Firestone Airbags, Pullrite Superglide
2017 Solitude 310GK, a little solar, a little lithium, disc brakes and a few suspension mods
Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. - Ben Franklin
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06-10-2019, 09:59 AM #10
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Checked all fuses a and they are good, powered down and still nothing. Just about has to be the circuit board.
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