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Old 11-14-2012, 08:09 PM   #1
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Dometic RM 1350 Refrige in 390RB

Anyone had a problem with improper venting of this frige in an '11 Berkshire?

I've read in another thread that such a problem exists in some of the Georgetown units.

I can't get the unit to drop below 48 degrees, either on LP or AC.

Thanks

Boowho??
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Old 11-17-2012, 10:02 PM   #2
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do you have side ventalation top and bottom, if you do dometic requires all RV manufacturer to install cooling fans in the ventalation space to aid in the proper cooling of your refigerator
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Old 11-17-2012, 10:35 PM   #3
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Originally Posted by johnemt View Post
do you have side ventalation top and bottom, if you do dometic requires all RV manufacturer to install cooling fans in the ventalation space to aid in the proper cooling of your refigerator
That refrig model is furnished with condenser fans outside just below the heat exchanger just below the roof. They are thermostatically controlled and are obvious when running, sounds like a vibration and whine. Check for their operating, run on gas will cause it for sure. Reefer will not cool for long without it. Still other causes, look up Dometic 1350 in the Forum search, plenty of ideas there.
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Old 11-18-2012, 06:13 AM   #4
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On some models you adjust the temperature colder by moving the sensor that's clipped to the cooling fins inside the frig upward.
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Old 11-21-2012, 10:41 AM   #5
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Quote:
Originally Posted by boowho View Post
Anyone had a problem with improper venting of this frige in an '11 Berkshire?

I've read in another thread that such a problem exists in some of the Georgetown units.

I can't get the unit to drop below 48 degrees, either on LP or AC.

Thanks

Boowho??
We had to replace the cooling unit within 2 months of purchasing our coach.
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Old 11-29-2012, 10:46 PM   #6
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We had to replace the cooling unit within 2 months of purchasing our coach.
Hey, thanks for all the replies...... FR had failed to install the proper baffling as specified by Dometic. Well, they probably installed it according to Dometics instructions, but Dometic issued a service bulletin later.

However, the REAL problem seems to have been a "bubble" inside the tubing that carries all the coolant around thru the refrig.

The tech tapped it with a hammer a few times and dislodged the bubble. He explained that it's similar to having a bodily artery plugged by cholesterol. So, I guess the unit had a heart attack?

Anyhow, it's working fine now.

Thanks

Boowho
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Old 11-30-2012, 10:36 AM   #7
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Originally Posted by boowho View Post

The tech tapped it with a hammer a few times and dislodged the bubble.
Anyhow, it's working fine now.

Thanks

Boowho
So, the tech used his 'fine adjustment tool' (aka hammer)!! (LOL!!)

Glad to hear it was a simple and quick fix.
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