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08-31-2022, 05:30 PM
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#1
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Junior Member
Join Date: Aug 2022
Location: Marlinton
Posts: 5
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Fridge Fan running constantly
2018 333mks Fridge or freezer fan runs constantly! Any ideas
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08-31-2022, 05:33 PM
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#2
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,347
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Welcome to the forum 
Brand and model of fridge? Fan inside fridge/freezer? Fan on the back of the fridge?
__________________
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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08-31-2022, 05:41 PM
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#3
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Junior Member
Join Date: Aug 2022
Location: Marlinton
Posts: 5
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Dometic…brand and you hear it outside at vent and when I open the freezer it’s very loud.
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08-31-2022, 05:50 PM
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#4
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,347
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I get your fridge is in a slide. That fan/fans are there to help with airflow so the cooling unit can keep the fridge cold. It/they will come on when the coils at the top of the fridge reach a preset temperature.
If it/they are real loud it could be a bad fan motor, but loud is subjective.
__________________
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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08-31-2022, 06:31 PM
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#5
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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A slide-mounted fridge is always going to run longer than a cabin mount in the heat, because it can't vent through the roof.
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2019 Cougar 26RBSWE
2019 Ford F-250
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08-31-2022, 06:55 PM
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#6
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,752
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Quote:
Originally Posted by mrsrandy04
Dometic…brand and you hear it outside at vent and when I open the freezer it’s very loud.
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As Chuck stated, loud is subjective. Often when someone hears a noise it's a vibration that the wood or metal transmits and amplifies. Have you felt around to see if there's any vibration? A bug stuck on fan blade, dirt on the blades, or just the fan falling and getting repositioned can cause vibrations.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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09-01-2022, 02:55 AM
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#7
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Junior Member
Join Date: Aug 2022
Location: Marlinton
Posts: 5
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We will check the fan for obstructions.
I don’t think it ever shuts off….
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09-01-2022, 03:02 AM
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#8
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,347
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It all depends on the temp of the top row of fins on the back of the fridge.
__________________
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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09-01-2022, 04:47 AM
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#9
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,752
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Quote:
Originally Posted by mrsrandy04
We will check the fan for obstructions.
I don’t think it ever shuts off….
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Are you the original owner? If you are did it ever shut off and just not now? This has been a particularly hot summer. If the camper is new to you then look around and see if the fan wires are connected to a constant 12v DC source or if it's connected to a manual switch or a thermistor.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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09-01-2022, 04:57 AM
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#10
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Senior Member
Join Date: Aug 2020
Location: Upper Chesapeake Bay
Posts: 4,837
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Also check you door seals and door alignment…if you have room air entering the fridge it will run forever
You can put a flashlight inside the refrigerator at night and turn out all the lights and look for any spots where the light shines through
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2020 Cougar 315 RLS
2020 Ram 3500 6.7HO 4.10 Dually Aisin
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09-01-2022, 07:37 PM
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#11
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Senior Member
Join Date: Jul 2013
Location: Box Elder
Posts: 2,910
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It's possible that the snap switch at the top of the fridge at the rear is stuck on too, and this is accessed behind the top vent cover. It should be screwed to one of the fins of the cooling unit.
https://www.amazon.com/Dometic-31041.../dp/B00BURHVVS
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Bob & Becky
2012 3402 Montana
2012 Chevy 2500HD D/A CC
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