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Old 06-30-2015, 05:36 PM   #1
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Refrigerator

I have an rm 2620 refrig. Question is in the morning the temp is 42 F when i check in the pm the temp rises to 50 f ...freezer stays cold ...why is temp rising?...did not open all day
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Old 06-30-2015, 05:38 PM   #2
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What is the outside temp and do you have a working frig vent fan?
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Old 06-30-2015, 06:17 PM   #3
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The cold always comes into the freezer then gravity takes it through the fridge. You may need to add a small DC fan inside the fridge to evenly distribute the cold air.

Where is the slider on the vents in the inside/back of the fridge? Your temp should be colder even in the morning. We get the mid to upper 30s in the fridge area, even with no AC on in the AS and the temp in the upper 80s.
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Old 06-30-2015, 07:31 PM   #4
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The refer portion has a slider on one of the fins that will somewhat change the temperature. Slide up for colder and down for warmer. Make sure trailer is somewhat level, Remember, it is not your home refer
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Old 06-30-2015, 07:49 PM   #5
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Originally Posted by richw46 View Post
The cold always comes into the freezer then gravity takes it through the fridge. You may need to add a small DC fan inside the fridge to evenly distribute the cold air.
Sorry, but RV refrigerators have two evaporator sections, one in the freezer, one in the refrigerator part. The cold air from the freezer does not circulate to the refrigerator.

The refrigerant first hits the freezer where most evaporates, then it goes to the refrigerator where (in the fin section) the remainder evaporates. If the system has any issues, there is not enough refrigerant left for the refrigerator section and it can become too warm even though the freezer cold enough. Something as simple as putting water into the freezer to make ice cubes takes a lot of the limited capacity of the total system and not enough is left for the refrigerator.

A fan will not change this distribution issue.

So, if you overload the freezer with things that need to be frozen (that is they are not already frozen) they will cause the refrigerator box to warm up.

Or if your system capacity is marginal due to a very hot day, the refrigerator will warm up first, when the freezer is still very cold.

Or if your system capacity is marginal due to problems with the refrigerant circuit itself, the freezer may be cold but the refrigerator too warm.

Or you have a leaking door gasket which is allowing way too much warm air into the refrigerator section.

Always remember, in an RV refrigerator the freezer gets the cooling priority, what is left over goes to the refrigerator. Also remember that there is no interchange between the air in the freezer to the air in the refrigerator section (on virtually all RV refrigerators made in the past 40 + years).

I just wanted to clarify how RV refrigerators work, not trying to be a know it all here.
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Old 06-30-2015, 09:00 PM   #6
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OP....Is this on gas or electric?

My fridge did the same thing on gas. Cleaning the orifice and burner made little difference. I did a little studying and found my propane supply pressure was a little low according to the gauge at the fridge. I adjusted the regulator. My morning fridge temps are about 30 on the top shelf now.
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Old 07-01-2015, 12:15 PM   #7
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Originally Posted by idroba View Post
Sorry, but RV refrigerators have two evaporator sections, one in the freezer, one in the refrigerator part. The cold air from the freezer does not circulate to the refrigerator.

The refrigerant first hits the freezer where most evaporates, then it goes to the refrigerator where (in the fin section) the remainder evaporates. If the system has any issues, there is not enough refrigerant left for the refrigerator section and it can become too warm even though the freezer cold enough. Something as simple as putting water into the freezer to make ice cubes takes a lot of the limited capacity of the total system and not enough is left for the refrigerator.

A fan will not change this distribution issue.
.
Good to know. I 've not had any problems with mine but I read in another post that someone was using a small dc fan to circulate the air. I was just passing it along. Now I know better. Thanks
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