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06-22-2022, 03:27 PM
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#1
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Member
Join Date: Feb 2022
Location: Kalkaska
Posts: 68
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Dometic Refrigerator
I have a 2022 cougar 364bhl. The fridge has been working great up till to days ago. All of a sudden it won't go below 56f. On either propane or shore power. I've checked both fuses and the fan fuse. The fan does run. Any suggestions on what could be wrong. I live full time in it so as far as taking it to a dealer it would be hard for us. Not to mention I'm in Michigan and we bought it out in Nevada last January. So don't know if a dealership in Michigan will even want to look at it for warranty work! Any help would be appreciated! Thanks!
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2019 Chevy Silverado 3500 6.6 Diesel
2022 Keystone Cougar 364BHL
Goosebox Gen 3
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06-22-2022, 03:34 PM
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#2
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Senior Member
Join Date: Mar 2014
Location: Las Cruces
Posts: 4,665
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I would start by placing a thermometer inside the fridge to verify the temp. If it’s consistent on both settings and the thermometer I would guess it’s probably the thermistor since it’s consistent on both gas and electric.
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Brent
2013 Alpine 3500RE
2019 Silverado 2500HD Duramax
U.S. Air Force Retired (25 yrs)
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06-22-2022, 03:51 PM
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#3
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,357
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What model fridge?
Thermistor placement can be critical, but some models it isn’t adjustable. Helps to know which one we are working with.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-22-2022, 03:57 PM
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#4
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Member
Join Date: Feb 2022
Location: Kalkaska
Posts: 68
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It's a RM1350SLMX. It does not have a Thermistor. It' only has what looks like a temp probe mounted at the top of the fridge.
__________________
2019 Chevy Silverado 3500 6.6 Diesel
2022 Keystone Cougar 364BHL
Goosebox Gen 3
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06-22-2022, 04:03 PM
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#5
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,357
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Quote:
Originally Posted by lonerider98
It's a RM1350SLMX. It does not have a Thermistor. It' only has what looks like a temp probe mounted at the top of the fridge.
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That is the thermistor. I’m looking for the service guide for that model.
Found it:
https://www.arprv.com/dometic-thermistor.php
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-22-2022, 04:08 PM
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#6
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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06-22-2022, 04:12 PM
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#7
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,357
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Quote:
Originally Posted by JRTJH
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Saw that but came up as an unsecured website.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-22-2022, 04:35 PM
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#8
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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Quote:
Originally Posted by chuckster57
Saw that but came up as an unsecured website.
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Don't know why that would happen. It's the Bryant RV Services website.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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06-22-2022, 04:47 PM
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#9
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,357
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I’m not sure, I’m using my iPhone and Safari. Anyway OP has 2 documents to diag the issue.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-22-2022, 04:48 PM
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#10
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Member
Join Date: Feb 2022
Location: Kalkaska
Posts: 68
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My control box is nothing like the ones in the manual. Once I figure out how to post pics I will.
__________________
2019 Chevy Silverado 3500 6.6 Diesel
2022 Keystone Cougar 364BHL
Goosebox Gen 3
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06-22-2022, 04:55 PM
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#11
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Member
Join Date: Feb 2022
Location: Kalkaska
Posts: 68
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Here's what I got if the pic's come thru.
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2019 Chevy Silverado 3500 6.6 Diesel
2022 Keystone Cougar 364BHL
Goosebox Gen 3
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06-22-2022, 05:13 PM
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#12
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,357
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You need to remove that cover. The control board is underneath.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-22-2022, 05:32 PM
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#13
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Member
Join Date: Feb 2022
Location: Kalkaska
Posts: 68
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This is the box as a unit. Don't see how removing the box will open to the control board. 
__________________
2019 Chevy Silverado 3500 6.6 Diesel
2022 Keystone Cougar 364BHL
Goosebox Gen 3
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06-22-2022, 05:49 PM
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#14
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,357
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That is the cover to the control board. It’s late and I’ve been going to work early due to the heat. I think you have to use a small flathead screwdriver on the sides to unlock the tabs and maybe the screw at the top that is 1/4”.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-22-2022, 05:58 PM
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#15
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Member
Join Date: Feb 2022
Location: Kalkaska
Posts: 68
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ok I'll try it tomorrow since it's getting dark now. Thanks for the help!
__________________
2019 Chevy Silverado 3500 6.6 Diesel
2022 Keystone Cougar 364BHL
Goosebox Gen 3
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06-24-2022, 04:35 PM
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#16
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Member
Join Date: Feb 2022
Location: Kalkaska
Posts: 68
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I would like to Thank everyone that has commented on my post. I had a mobile rv repair coming out. But someone on my other groups suggested to go out and remove the lower vent cover and smack the pipes around which I did this morning with the side of my fist. and sure enough it started to cool down with in 4 hours it was down to 33 degrees. Must of had a blockage which I jarred loose by beating on the pipes. So It is working fine now. So Thanks again for all the help!
__________________
2019 Chevy Silverado 3500 6.6 Diesel
2022 Keystone Cougar 364BHL
Goosebox Gen 3
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06-24-2022, 04:56 PM
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#17
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,357
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Happy to hear it’s working again. Hopefully the “blockage” disintegrated enough not to cause the issue again.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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06-24-2022, 05:10 PM
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#18
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Member
Join Date: Feb 2022
Location: Kalkaska
Posts: 68
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I also hope it's gone! Thanks
__________________
2019 Chevy Silverado 3500 6.6 Diesel
2022 Keystone Cougar 364BHL
Goosebox Gen 3
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06-24-2022, 05:12 PM
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#19
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,762
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Refrigerator CPR, who new? 
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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06-25-2022, 06:00 AM
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#20
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,015
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Actually it’s not fixed.. smacking on the flue stack just temp reseated a connection that affects both LP and Electric mode..
I would be reseating all the plug in points on the control board as well as checking for loose or corroded ground
The fridge needs 12 volts DC even when operating on electric mode..
I have the RM1350 and it’s an excellent fridge..
When is the last time you pulled the flue stack out and cleaned it along with taking off the upper vent cover and cleaning out the condenser coils
__________________
2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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Linear Mode
