Question about Dometic Rooftop RV Air Conditioner
During these short cycles the fan will sometimes go off when the compressor turns off, but sometimes it will stay on. I have made sure that the vents are not blowing on the thermostat, have replaced both capacitors, and replaced the thermostat about a year ago. The unit is cooling well but I am concerned that the short cycling will burn out my compressor. Model 57915.622 C&D
Sounds like a low freon issue. Even though its cooling well at first after its run a cycle the amount of freon is to low causing it to cut out probably from lack of freon pressure. Get it checked soon cycling will definitely shorten the life of your compressor. Hope this helps Chris
Posted on Nov 06, 2014
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Posted on Jan 02, 2017
Check at the compressor terminals between the Red and the terminal for the overload protector to see if you are getting power to the compressor on startup.
Posted on Jul 24, 2008
you have to run a contractor grade extension cord(10-12 gauge) from your rv to run those or theyll do that, the lower the gauge the better, best bet is to plug the rv directly into the outlet, if you cant, get the shortest and thickest extension cord you can.
Posted on Aug 21, 2008
SOURCE: AC compressor will not engage
It could be the capacitor, it could be a loose wire connection, it could be a delay switch or a contactor/relay.
Posted on Mar 31, 2010
Testimonial: "You gave us a couple extra ideas than what we already thought of checking. Thank you. We will trade out parts from working one, see what it is. Thanks"
SOURCE: Breaker breaks
This unit may have an internal overload mounted on top of the compressor. You would have to get to the
compressor to find out and it maybe faulty. That may
explain why the compressor comes on later on, this
overload protects the compressor from getting hot.
When you trip the breaker and then reset it again only to see it trip again almost sounds like a direct short or loose wire. It could also mean that your
capacitor needs to be replaced or that you need a hard start kit and the unit needs a good cleaning.
Try just operating the fan and see if it trips the breaker, if it does then either the blower motor is bad
or it is still the capacitor.
Posted on Jun 25, 2010
Testimonial: "The blower fan works fine. The breaker only trips when a load is put on it, but not always. I think the overload protecter could be the problem. Thanks."
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