Question about Dometic Rooftop RV Air Conditioner
The fan motor had seized up and had to have it replaced. Now the unit is not cooling at all. Could it be needing freon?
Posted by Anonymous on
They dont have a service valve for charging. probably electrical issue.
Posted on Aug 16, 2015
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Posted on Jan 02, 2017
The fan motor is getting hot and going off on the internal overload in the motor.
This is caused by either a low voltage, a bad capacitor, or tight or dry bearings in the motor.
To check the bearings turn the power off to the unit, then spin the fan blade if it spins freely then the bearings are ok.
To check the capacitor you will need some kind of tester or you can buy a capacitor and replace it, that's what a lot of people do. They usually don't cost very much.
To check the voltage you will need a voltmeter and measure the volts at the unit.
Posted on Jun 09, 2009
it should never have to be recharged unless there is a leak. so you should isolate the leak with dye injectable into the system w/ the freon and correct it, then fully recharge system.
Posted on Jun 10, 2009
Whether to replace the entire unit or repair it is a tough decision. If the unit is not very old and was working fine before the fan motor froze up, then I do not think that it is necessary for the entire unit to be replaced. With a new unit of course comes the new warranty.
It is not difficult at all to replace the upper unit of the air conditioner. What you have to look for and make sure of is that the ceiling pack or Air Distribution Box (inside unit of AC) that you currently have is compatible with the new Upper Units. Get the part number off of the inner unit and make sure that it is compatible with the part number of the new upper.
Again, it is much less expensive to replace the fan motor than the entire unit (especially Dometic). You could replace the fan motor and get another 10 years out of the AC or, you could replace it and only get 1 year out of it. That is your call.
Just a word of precaution. Dometic Air Conditioners are very hard to find right now due to an industrial accident that occurred at the AC plant. Most distributors and service centers are 6 to 8 weeks out on getting a Dometic AC in stock. That is something else to think about.
Hope this helps,
Posted on Jul 06, 2009
you could contact the manufacturer of the rv and they can help you with you search. Hope this helps
Posted on Jul 16, 2009
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