The ac wouldn't shut off yesterday, now it won't come on. The fan works, the heater works.
The a/c component is is dependent on water access. I am guessing there is a problem with the water connection. The cooling aspect is simply the fan pushing the air past cold water. If everything else is working, take off the front and see if anything is wrong with the connection.
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SOURCE: I have a coleman/evcon heat
I would check the hig voltage power supply to the unit. Check the main breaker and make sure it is on. Check the disconnect and make sure there is power at that point to the condensing unit. The contactor will kick in from the low voltage in the control circuit.
SOURCE: We have a Coleman 7300 rooftop ac unit. When the
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: My Coleman Evcon AC unit
If the AC unit doesn't have sufficient air flow to carry away the cold air then condensation and the extra cold air will freeze at the unit. good air flow is the solution. Change the filters, clean the unit by removing the covers and looking for pet hair/leaves/dirt inside the coils of the unit. and make sure the ducting is connected and not clogged.
SOURCE: My Coleman Evcon heating and air unit will not blow air
bad blower motor. recommend a new blower motor and capacitor.
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