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Old 07-25-2020, 07:43 PM   #1
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Brand: Thor Motor Coach
Model: Chateau V25
State: California
Posts: 68
THOR #19470
Angry Dometic Fridge not cooling anymore

We've had our 2019 Thor Chateau for about 10 months now. Two days into our last trip, our 2-door Dometic (2652RBX) refrigerator ceased to keep its chill.

At the campground it was hard to do a decent test, so I waited to get home to run some gas/elec tests in a stable environment. Day temp: high-90s, Night temps: low-70s. Thermistor set at coldest position. Plugged it in 24 hours prior to starting the "test". I then ran it on electric for 24 hours and then ran it on propane for 24 hours. I used 3 thermometers, one in freezer, one near thermistor, and one in the bottom food drawer. Here are the results:



Doing some research I know I can add some sort of exhaust fan in the back to assist but I really wonder if it will help to the degree necessary (pun intended). Will be contacting a local RV shop on Monday, but just wanted to post this up here also in case anyone had some ideas. Thanks!

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2019 Thor Chateau V25 Class C SKP: 154598, Good Sam: 813449980
Upgrades: 190W Go Power Overlander Solar Panel, EPever 40A Tracer MPPT Controller, Xantrex Freedom XC 2000W 80A Inverter/Charger, 4x6v VMAX AGM 240Ah Battery Bank, SeeLevel III Tank Monitor, Big Foot Leveling Jacks, Jensen CAR1000
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Old 07-25-2020, 08:12 PM   #2
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Brand: Thor Motor Coach
Model: Vegas Windsport Chateau C
State: Texas
Posts: 77
THOR #14643
Fridge

Make sure this is not hanging down like this
The white cable on the right
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Old 07-25-2020, 08:17 PM   #3
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Brand: Thor Motor Coach
Model: Chateau V25
State: California
Posts: 68
THOR #19470
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Originally Posted by Boerne RV View Post
Make sure this is not hanging down like this
The white cable on the right
Thank you. Yeah I couple of months ago I *did* find that thing hanging down and that was the day I learned what a thermistor was! But during the test, I had it inside that plastic clip and at the coldest setting.
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2019 Thor Chateau V25 Class C SKP: 154598, Good Sam: 813449980
Upgrades: 190W Go Power Overlander Solar Panel, EPever 40A Tracer MPPT Controller, Xantrex Freedom XC 2000W 80A Inverter/Charger, 4x6v VMAX AGM 240Ah Battery Bank, SeeLevel III Tank Monitor, Big Foot Leveling Jacks, Jensen CAR1000
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Old 07-25-2020, 09:58 PM   #4
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Model: Hurricane 27K
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THOR #2544
Can't say that cooling fans are your problem but kn a normal working fridge they do help especially if it is located in a slide. I think with the temps you reported there may be something networking correctly. Thus year I installed fridge defend with lower and upper fan to help with cooling and protect against overheating. Good luck, hope you get it fixed
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Old 07-25-2020, 10:36 PM   #5
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Brand: Keystone
Model: Sprinter
State: Florida
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THOR #15553
Quote:
Originally Posted by puppygeo View Post
We've had our 2019 Thor Chateau for about 10 months now. Two days into our last trip, our 2-door Dometic (2652RBX) refrigerator ceased to keep its chill.

At the campground it was hard to do a decent test, so I waited to get home to run some gas/elec tests in a stable environment. Day temp: high-90s, Night temps: low-70s. Thermistor set at coldest position. Plugged it in 24 hours prior to starting the "test". I then ran it on electric for 24 hours and then ran it on propane for 24 hours. I used 3 thermometers, one in freezer, one near thermistor, and one in the bottom food drawer. Here are the results:



Doing some research I know I can add some sort of exhaust fan in the back to assist but I really wonder if it will help to the degree necessary (pun intended). Will be contacting a local RV shop on Monday, but just wanted to post this up here also in case anyone had some ideas. Thanks!
be sure your batteries are 100%. full 12 volts is required for the control circuits. Batery disconect on at all times?
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Old 07-26-2020, 12:05 AM   #6
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Model: Vegas Windsport Chateau C
State: Texas
Posts: 77
THOR #14643
Fan

There are fans and the accessories necessary available. Some wire, electrical connection terminals, couple zip ties and you can do it yourself. There is a two fan kit I couldn’t find a picture of also. Think there is a diagram of the installation process with the fan.
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