Good Sam Club Open Roads Forum: Dometic refrigerator frost and ice
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 > Dometic refrigerator frost and ice

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rollindowntheroad

Sebring, FL

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Posted: 01/17/21 06:05am Link  |  Quote  |  Print  |  Notify Moderator

I bought a used 2018 Prime Time Tracer TT in April. Only used it on weekends initially. Moved into it full time a month ago. I'm getting frost in the freezer on the back wall and ice on the fins in the refrigerator. Is this normal and do I just need to defrost it? Or does the seal need to be replaced on both? This is my first RV.

Thanks for your help.

folivier

Southeast Louisiana

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Posted: 01/17/21 06:44am Link  |  Quote  |  Print  |  Notify Moderator

If you're in Florida it is just the humidity getting in everytime you open the fridge door. You can search here and put in a small computer muffin fan to circulate the air in the fridge. Very common problem.

rollindowntheroad

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Posted: 01/17/21 07:22am Link  |  Quote  |  Print  |  Notify Moderator

I am in FL. The seals don't look like they need to be replaced. I didn't know if this was normal for an RV refrig or not.

prichardson

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Posted: 01/17/21 07:51am Link  |  Quote  |  Print  |  Notify Moderator

Quite normal. Unlike home refers, RV units do not have a defrost cycle.

rollindowntheroad

Sebring, FL

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Posted: 01/17/21 08:19am Link  |  Quote  |  Print  |  Notify Moderator

So I need to just defrost manually when necessary?

PawPaw_n_Gram

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Posted: 01/17/21 09:16am Link  |  Quote  |  Print  |  Notify Moderator

Yes


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rrupert

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Posted: 01/17/21 09:19am Link  |  Quote  |  Print  |  Notify Moderator

rollindowntheroad wrote:

So I need to just defrost manually when necessary?


You can do that. Don't be as concerned about the freezer section frosting up as much as the cooling fins in the main section. They need to be relatively frost-free to function properly. As mentioned above, most newer RV fridges have an auto-defrost function that will basically turn off the fridge for a short period of time to allow the frost to melt off the fins.


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rav

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Posted: 01/17/21 11:38am Link  |  Quote  |  Print  |  Notify Moderator

Our MH had a norcold fridge and we would defrost it. It was a 4 door so I would do one side at a time. Would use a hair dryer and a few towels to soak up the water. Didn't take that long to do.


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wa8yxm

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Posted: 01/17/21 04:24pm Link  |  Quote  |  Print  |  Notify Moderator

Ah you youngsters.
Yes it is normal
Modern RESIDENTIAL refrigerators have heaters in them (Defrost elements) so first they cool then they heat.. That way you don't need to defrost so often

RV units don't have the BTU's to spare so they just cool and like Refrigerators of old when you open the door and warm air rushes in...

or when the ice maker (Which by the way may have a heater built in) cycles and warm water rushes in.. Frost forms on the cooling plates.

What can reduce it

Well I had a 3 fan version of this.. Wish I'd have had a 4 fan but that's another item

Fridge fan

It mounts in front of the fins and did a fairly good job on the area it blew on. Thing is my fridge was wider than the assembly (Why I needed the 4th fan)


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rollindowntheroad

Sebring, FL

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Posted: 01/17/21 06:21pm Link  |  Quote  |  Print  |  Notify Moderator

LOL.... I'm not a youngster, 63 years old here. However, this is my first RV. Thanks for the info.

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