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Old 10-08-2016, 03:08 PM   #15
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My '98 had a Dometic RM2652.
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2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9461.2 (as of 10/01/16)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
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Old 10-08-2016, 03:22 PM   #16
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The make is Dometic and model # is RM2652
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Old 10-08-2016, 04:44 PM   #17
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Quote:
Originally Posted by JohnSio View Post
The make is Dometic and model # is RM2652
Which is what I had in my '99 T-2453 that we used for 11 years.

The RM2652 is a two-way fridge meaning that it runs on 110vac OR propane. When running on propane, it needs 12vdc to run the control circuitry. It does not and can not run on 12vdc only.

Here is a link to the diagnostic service manual for the Dometic product line that includes the RM2652: www.fourwh.com/NewDometicRefrigeratorManual.pdf

In the files area, there is a manual for the RM2652 Installation and Operation which I put there back in 2010. There is also a file called the Dometic Fridge Service Manual which is a 2007 manual and may be the same one I linked above. JohnB placed that one and a couple of others there in 2011.

All the available troubleshooting and service information is in those manuals.
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Old 10-09-2016, 01:06 PM   #18
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Thanks for all the help. It seems we were given wrong info by someone. They made us believe the fridge would run off of the alternator of the truck while traveling. After reading the manual, we found that to be untrue and we were doing things all wrong. We tried it the correct way on auto and it is working fine. Leaving it on auto is the best way to run the fridge? Or is there a time when we should have the button on the control panel for gas in the on position? We are very new to this, so am learning little by little!
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Old 10-09-2016, 02:19 PM   #19
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Quote:
Originally Posted by JohnSio View Post
Thanks for all the help. It seems we were given wrong info by someone. They made us believe the fridge would run off of the alternator of the truck while traveling. After reading the manual, we found that to be untrue and we were doing things all wrong. We tried it the correct way on auto and it is working fine. Leaving it on auto is the best way to run the fridge? Or is there a time when we should have the button on the control panel for gas in the on position? We are very new to this, so am learning little by little!
I am glad you got it sorted out.

We leave our fridge on Gas most of the time. Since we dry camp and an only run the generator a few hours at a time, it makes sense to conserve the available 110vac for the microwave, hair dryer, etc.

However, if you camp with hookups most of the time, leaving it on Auto is a better choice unless you prefer to drive the fridge with propane. Some folks feel that propane keeps the fridge colder. Some folks want to save money by conserving propane. That's a personal choice. Dry campers tend not worry about using propane if it conserves their battery life. There's also differing views of running the fridge while on the road and especially when fueling your tow vehicle. Plenty of previous discussion on that, too.

One final point. Your fridge has a heater strip where the gasket contacts the fridge shell. It is designed to prevent condensation and runs on 12vdc. If you dry camp, it's highly recommended to shut the heater strip off as it will draw your battery down quickly. The switch is partially hidden and if you don't know where to look, you'll swear you don't have one. Open the freezer door and look where my finger is pointing.

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