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Old 08-25-2011, 07:12 PM   #1
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Royale fridge/freezer not coolimg

We have a 2000 Safari Class C with a Royale fridge/freezer. It's not cooling at all on either gas or AC settings. Any suggestions for trouble shooting?

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Old 08-26-2011, 02:07 AM   #2
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Look at the top of this forum under the stickie Norcold and Dometic for service manual, etc. You can use either one for a basic troubleshooting sequence to determine your issue. If you will give us more info and model numbers we may be able to help you more.

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Old 08-27-2011, 03:45 PM   #3
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Model number is RM3862. Display panel has power. Interior lights function. Fridge not cooling in either gas or auto mode while plugged into 30amp land power.
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Old 08-27-2011, 06:46 PM   #4
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To see if the unit will even run on a manual bypass mode, track down the power to the 120 vac heater element on the frig. Track back to the control board and disconnect these two wires. Carefully gig up an extension so that you can safely plug the cord into a 120 volt outlet that has power to it. Shut off the frig at the control panel.

What you are doing is bypassing all of the controls. Let it run at least 12 hours like this and preferably longer. Place a thermometer in the freezer and the frig. Check the temp after 12 and 24 hours. The frig should get down to 35 to 38 degF and the freezer down to at least 0 degF.

If it gets cold, the unit is working and the problem is the controller board. replace the control board with a Dinosaur board and not the OEM board.

If it is not cooling, you need to check the heater element with a volt-ohm meter. If it checks bad, replace the element ant try the bypass run again.

If it does not get cold at all after all of this....time for a new cooling unit.

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Old 08-27-2011, 09:26 PM   #5
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Thanks Ken. I'll give those steps a try.
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Old 08-31-2011, 08:00 AM   #6
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Recommend you read the 8 part blog titled "Understanding Your RV Refrigerator." The first part is HERE. You will be most interested
in Parts II and III.

Hope this helps.
Dale Lee Sumner
RVIA/RVDA Master Certified RV Service Technician
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Old 11-22-2011, 06:37 AM   #7
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Originally Posted by Pallee View Post
Thanks Ken. I'll give those steps a try.
Is it a Dometic 3862? May be subject to a recall. Check Dometic website.

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