Unit is new last year and has only been run less than 5 times
Is compressor running --frozen coil --dirty coil -- thermostat failure compressor failure low or no freon etc the list can go on need to have diagnosed and or system tested
Always take pictures first before you fix
anything, or take it apart. so you will know how to put things back
SOURCE: duo-therm quick cool
Your compressor is trying to restart after it shuts off which is causing a power draw down changing the sound of the fan speed change. Check voltage power supply and insure that the power supply cord is heavy enough to carry the necessary load.
SOURCE: Air conditioner fan will not come on and unit will run for 1 minute and stop
You hear the compressor kick in (Hum) but no fan comes on? Will the fan come on when just in fan mode, not cool, or do you have that set-up?
SOURCE: RV air conditioner. Compressor running, fan stops before cool
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.
SOURCE: Fan Runs, AC Doesnt, Blinks 5 times
Need to look around and should have an error code and give more detail of what the problem is. If you post that i can maybe help you more. I need to know......
SOURCE: Carrier A/C in RV won't run
check your breakers make sure when running unit this is the only thing on the breaker 15 to 20 amp be sure to keep a window cracked as well unit does freeze over so don't have all the way on cold
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I'm NOT AN EXPERT I DO MY OWN HOME REPAIRS AS A SINGLE MPM I HAVE TO. I WOULD first check for a loose or kinked wire to the capacitor. then I'd check the capacitor with a multimeter. It may be freezing up like mine did so I'd switch it to the front a\c until it thawed, (if you have one) Just saying because mine was a motorhome, then I kept it at a lower temperature to prevent the freeze. You may also have a hole in the line somewhere. letting the freeon(gas) out.
but make sure the capacitor is discharged before testing it.
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