Question about Carrier Heating & Cooling
Either compressor overheating or fan try fan only if ok bad compressor or weak capacitor
Posted on Sep 15, 2019
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Posted on Jan 02, 2017
Possible low voltage condition would cause that kind of a problem. To small a cord without the ability to carry and maintain the voltage would cause a voltage drop. I would test the voltage supply and make sure it is within 10% of that required for your A/C to operate properly.
Posted on Jun 16, 2008
SOURCE: Air Conditioner Breaker Tripping
This is a tough one to diagnose without seeing the panel. It's the main breaker or just the a/c breaker? The easiest diagnosis is to put an amprobe on the black wire coming off the a/c breaker (Harbor Freight about $12.) to see how much current it's drawing. It should be less than the rating of the breaker (shown on the end of the handle). Make sure the thermostat is all the way down so the compressor is running.This is a likely solution because a high current draw can be caused by anything from leaves laying in the bottom of the shroud to a compressor starting to go bad. If that amperage is lower than the breaker rating and it trip's it's probably just a bad breaker.Another cheap fix. I would have to assume the rv dealer tried this so we can move on but it is the best starting point. Loose wires anywhere in that panel can also transfer heat through the buss bars. Unplug your power source and tighten all connections. The panel won't get warm until its been on a while and heat is what causes the breakers to trip. Again I assume the dealer would have tried that but I'm trying to cover all options. The last thing I can come up with is maybe the RV dealer isn't putting the cover back on the panel while troubleshooting which stops it from building up heat. Without the additional heat build-up the breaker won't trip. The inside of the breaker is two metals sandwiched together designed to bend when they get warm. When they get warm enough (caused by the rated current flowing through the breaker) they bend enough to push a button to trip the breaker handle. Try these out and let me know if it works.
Posted on Nov 26, 2008
The problem is that when u add up the electrical draw from all of these appliances running full bore, your draw exceeds your available amperage. Now you are doing the math and saying no...... Let me tell you why. It is rare to find a situation where a 100 amp service actually porovides 100 amps. You almost always have voltage dropo. And when you are adding extension cords to the mix the drop is even more. That said, When you are using the AC try to minimize the use of other appliances, especially the microwave which is a big draw too.
Posted on Jun 25, 2009
SOURCE: Breaker trips on roof top RV A/C
check your breaker is it hot to the touch?
check the wire tightness at the breaker?
remove the circuit breaker and inspect the terminals on the breaker and in the panel and the breaker itself for signs of overheating and discoloration due to the fact
check the connections at the unit itself
check that you have proper voltage to your unit
find the nameplate and look for FLA full load amp draw
is the breaker properly sized for the unit and is the wire size correct for the breaker?
(Check nameplate on unit)
buy a clamp on amp meter and see if it is under or over the nameplate rating when unit is running
take great care when you venture into electric,if you arent comfortable find someone who is.
you may have a weak breaker if all the above pass?
Posted on Jul 05, 2009
Sir try blowing out the heat units you may have leaves blocking the system, also check to see if the screws have come out of the fans to see if they are not cooling correctly, if the breakers were bad it would reset them are yo having to reset the breakers for the system? and have you tried bypassing the controller head to see if the temperature head is defective?
Posted on Aug 12, 2009
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