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Old 06-09-2017, 10:23 PM   #21
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See thermofuse in pics on pages 14 and 15, attached.
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File Type: pdf Dometic Refrigerator Installation Manual DM2652.pdf (3.05 MB, 102 views)
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Old 06-09-2017, 10:41 PM   #22
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Dometic. No error codes.
I don't think 3-way Dometics have error codes.
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Old 06-09-2017, 10:48 PM   #23
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I don't think 3-way Dometics have error codes.
That is correct. All they have is a simple check light. Really a simple unit.

My last one (Norcold) had the digital readout. I don't miss it one bit.

If there is no power to the controls and nothing lights up, it has to be a fuse (most likely the cartridge fuse) or the resettable thermal breaker. One of the 2.

If mine was handy (it's not), I'd remove the cover and tell you which fuse it is.
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Old 06-09-2017, 11:12 PM   #24
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Wow! Thank you all for your help. I am so blown away by how supportive this group is. Really appreciate it. We are going to try a few things tomorrow and will post with updates!
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Old 06-10-2017, 04:06 PM   #25
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It's 'tomorrow' now. What was it?
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Old 06-10-2017, 06:25 PM   #26
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It's 'tomorrow' now. What was it?
Still no solution. We are taking it to the dealer on Monday.
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Old 06-10-2017, 11:39 PM   #27
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Same here... driving fridge lights stopped working (fridge did too). Checked everything, sent to dealer on Wednesday... no answer yet
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Old 06-11-2017, 12:23 AM   #28
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Does it work on propane?
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Old 06-11-2017, 10:03 AM   #29
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Same here... driving fridge lights stopped working (fridge did too). Checked everything, sent to dealer on Wednesday... no answer yet
Let us know what they say. We are taking ours into dealer tomorrow.
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Old 06-11-2017, 10:03 AM   #30
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Does it work on propane?
Nope. Doesn't work on anything
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Old 06-11-2017, 10:22 AM   #31
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Let us know what they say. We are taking ours into dealer tomorrow.


Will do although you might know before me!
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Old 06-11-2017, 03:24 PM   #32
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Can you tell if the chimney is getting warm or if the propane is lighting? If both are true then more than likely you have a bad refrigeration unit on the back. If both are false then probably a bad circuit board.
ok....You obviously know little about an ammonia refrigeration unit. Unless the solution has solidified from running out of level for a long period of time (which causes it to overheat and crystalize) in the piping, there isn't much to fail. I have seen them leak solution but one, it stinks and two a leaking unit will leave traces of yellow sulfur all over.


That leaves the control board (which I doubt) or one of the fuses under the cover, the thermoswitch (if it has one) or a fuse in the converter panel.

Non digital Dometics are very simple units.

I still suspect a fuse or a disconnected wire but we will see what the RV dealer says. It's not the physical cooling unit, I assure you.

The OP said it was 'working' and then the next morning it wasn't.

If the cooling unit failed, they would have one, smelled it and two saw it when the removed the lower vent/access cover.

Their posted pictures show no cooling unit failure other than the absence of a fan in the upper cavity and I'm surprised that FR didn't install one. That is SOP for a side venting fridge. Dometic has a fan kit just for that.

Finally, it's not a chimney, it's the boiler unit. The propane flame and or the 110 volt or 12 volt heating element heats the ammonia solution which courses through the unit via thermal transfer (thermo siphon) which is why an ammonia fridge has to be level or close to it.

Dometic (and Norcold) install a overheat switch on some models to counteract and shut down a fridge if, the solution becomes overheated. That could very well be the issue, but then I don't know if this unit has one. Some do, some don't.

Let the dealer/service center figure out the issue. Arm chair guessing does nothing and I'm not there to do it myself.
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Old 06-11-2017, 04:14 PM   #33
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ok....You obviously know little about an ammonia refrigeration unit. Unless the solution has solidified from running out of level for a long period of time (which causes it to overheat and crystalize) in the piping, there isn't much to fail. I have seen them leak solution but one, it stinks and two a leaking unit will leave traces of yellow sulfur all over.
Sorry, just trying to help. Post removed.
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Old 06-11-2017, 09:00 PM   #34
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Sorry, just trying to help. Post removed.
No issue with me, it would have been better if you read the entire thread. The OP already has the issues being looked at. No need to 'muddy the water more'.
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Old 06-14-2017, 01:48 PM   #35
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Will do although you might know before me!


Mine ended up being a thermo fuse wire
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Old 06-15-2017, 08:53 AM   #36
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Quick update on this to close the thread. We took our camper into the dealer on Monday and picked it up yesterday. It was a bad control panel in the fridge. They replaced it and it's working fine. Thanks to everyone.
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