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Old 10-19-2018, 10:16 PM   #1
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Dometic frig humming noise

2 month old 5 th wheel. Frig worked fine until today. still cold but notice a low steady humming noise. Unit is level. In vegas. outside temp was 80 today but 70 at 8 pm. Anyone else have this noise? Frig temp holding at 42
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Old 10-20-2018, 05:42 AM   #2
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Fingers crossed. Temp back down to 39 any noise stopped 👍
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Old 10-20-2018, 06:04 AM   #3
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Not sure which fridge model you have but if it's the Dometic 4 door model there is an automatic frost reduction cycle that activates after 60 hours of operation and lasts for 2 hours. This repeats every 48 hours. I imagine that is what causes the units temperature to increase.

In the manual it is suggested to turn the fridge on between 6 and 10 PM. We shut it off when refueling so once we set up camp we turn it off for a few seconds during the 6 to 10 time period to get back into the correct cycle time.
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Old 07-18-2020, 01:57 PM   #4
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Mine make a noise that sounds like the fan bearings are going bad. It still keeps temp. Just noticed it this time out. Any ideas would be helpful
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Old 07-18-2020, 02:13 PM   #5
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Quote:
Originally Posted by joel ritchie View Post
Mine make a noise that sounds like the fan bearings are going bad. It still keeps temp. Just noticed it this time out. Any ideas would be helpful
This thread is almost two years old so it might be better to PM the OP instead.
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