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My R. Dometic refrigertor does not cool on gas even though…

Dometic refrigertor does not...

Dometic refrigertor does not cool on gas even though there is a flame.

Mechanic's Assistant: How long has this been going on with your refrigerator? What have you tried so far?

Started last summer, Camam RV added a small fan at the back of the unit, no difference I cleaned the jet and flew as best I could last week.

Mechanic's Assistant: Is there anything else the Appliance Expert should know before I connect you? Rest assured that they'll be able to help you.

The unit works very well on AC.

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Answered in 12 minutes by:
8/2/2021
RV Mechanic: Robert, RV Mechanic replied 1 year ago
Robert
Robert, RV Mechanic
Category: RV
Satisfied Customers: 24,308
Experience: 23 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
Verified

Hi, I'm Robert. Welcome to JustAnswer. I'm reviewing your question now and will post back with your reply momentarily.

What is the model of the Dometic? Should be a sticker inside the fridge. Most will start with a RM or DM and then number.

Thanks, Robert

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Customer reply replied 1 year ago
RM3762 or RM3962
RV Mechanic: Robert, RV Mechanic replied 1 year ago

OK

Please allow me several mins to type a response.

Thanks, Robert

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Customer reply replied 1 year ago
Ok
RV Mechanic: Robert, RV Mechanic replied 1 year ago

Anytime you have a fridge that is working on electric and not propane the first step is to have the propane pressure checked at the back of the fridge with a manometer, we have to assume the pressure is good, just because the other appliances are working does not mean the pressure is correct. What you may want to do is go to the propane tank, shut the valve, slowly open it up and then run a stove burner for a few mins and then see if that helps.

Assuming the pressure is good I would verify the thermistor is in specs, one end sits inside the box and the other end plugs into the circuit board under the outside access panel, the cover comes off the board and the thermistor will be a two wire connector, you stick the end in the box in a cup of ice water then disconnect the connector at the board and ohm the wires leading back to the cup of ice water, you should have 8500-9500 ohms, below is a service manual link see page 12.

IF everything checks out you cleaned the flue and burner then I might replace the circuit board under the outside access panel to start. IF you look on page 4 of the service manual it will show you what to check for this symptom.

Robert

Link

https://bryantrv.com/docs2/docs/Service%20Manual,%20RM3762%20&%20RM3962.pdf

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Customer reply replied 1 year ago
OK I'll start with this I have the service manual with me.
RV Mechanic: Robert, RV Mechanic replied 1 year ago

Understand, if you need more help please let me know, I am around daily and respond when I can.

Robert

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Customer reply replied 1 year ago
Thanks.
RV Mechanic: Robert, RV Mechanic replied 1 year ago

No problem at all.

Robert

Robert
Robert, RV Mechanic
Category: RV
Satisfied Customers: 24,308
Experience: 23 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
Verified
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