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Old 11-22-2020, 10:01 AM   #1
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Another Question on Dometic Fridge

Does the Dometic fridge have a temperature sensor that senses the temp of the fridge and turn the propane flame off? I have noticed that the flame goes out without the check light coming on!
Thanks
red7653

Model Number: RM 2652
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Serial number : 328 03623
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Old 11-22-2020, 10:08 AM   #2
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The burner does cycle on and off to maintain the temperature in the fridge.

Most RV fridges have a temperature sensor clipped on the fins inside.Click image for larger version

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Old 11-22-2020, 10:37 AM   #3
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Dometic thermocouples: https://www.amazon.com/s?k=dometic+r...ss_ts-a-p_3_25


and YT videos on the subject: https://www.youtube.com/results?sear...rmocouple+test


Let me point out that YT is a major resource for any sort of troubleshooting these days and Amazon has parts for just about everything. That photo above is for a Norcold and I think the Dometic is different, looking at the images. I just replace my Norcold thermocouple last night as a matter of fact.
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Old 11-22-2020, 11:41 AM   #4
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Thank you! I saw that and thought that is what it was! I was surprised to see that you couldn't adjust the temperature in refrigerators or on my water heater either
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Old 11-22-2020, 11:44 AM   #5
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Quote:
Originally Posted by red7654 View Post
Thank you! I saw that and thought that is what it was! I was surprised to see that you couldn't adjust the temperature in refrigerators or on my water heater either

You CAN make minor adjustments by moving the thermosensor on the fins-- up (to a warmer area as heat rises) will make a few degrees cooler. Down a little warmer.


Some have added fans that blow on the evaporator fins in the refrigerator. No first hand experience, but suspect that would "warm up" the thermosensor a little and therefore make the refrigerator temperature cooler.
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Old 11-23-2020, 11:25 AM   #6
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Quote:
Originally Posted by Agesilaus View Post
Dometic thermocouples: https://www.amazon.com/s?k=dometic+r...ss_ts-a-p_3_25


and YT videos on the subject: https://www.youtube.com/results?sear...rmocouple+test


Let me point out that YT is a major resource for any sort of troubleshooting these days and Amazon has parts for just about everything. That photo above is for a Norcold and I think the Dometic is different, looking at the images. I just replace my Norcold thermocouple last night as a matter of fact.
Thermocouple....
Those would be used to sense a FLAME Temperature and send milliamp signal to circuit board so DC to Gas Valve holds it open
Used in burner assemblies

Not used to sense fridge FIN temps
Those would be Thermistors

Photo shows Dometic FINS with thermistor in white clip ---senses food compartment FIN Temp which thermostat uses to control heating cycles
FIN temp is 10*F LOWER then food compartment air temp

Dometic Fridges with 'Auto Temp Control' has no temp setting adjustments
Moving thermistor up/down on FIN can affect overall temps by 6* - 8*F
Move Clip UP....cooler temp
Move Clip DOWN...warmer temp

Water Heaters
Use a preset fixed temp t-stats
Optional t-stats with higher/lower preset temps can be swapped out
Atwood even has an adjustable T-stat to replace the fixed temp t-stat


YT is a source...
Unfortunately a lot of YT is Misleading, provides misinformation and many times just plain wrong
Use YT but be cautious/verify info first
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