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AIR CONDITIONER NOT OPERATING

LEFT AIR CON ON WHILE WENT OUT FOR 11/2 HRS CAME HOME NOT ORKING. CHECKED CIRCUIT BREAKER ALL OK EXCEPT COOL AIR ONLY NOW WON'T HEAT. CAN'T WORK OUT WHY

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Sound like the thrmostat has stop working thats the only thing that could be wrong
also try cleaning any filters the unit has

Posted on Jul 07, 2008

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2 Answers

Any ideas as to why the panel breaker for my Goodman CPE24-1AB heat pump would immediately trip when the air conditioner is turned on?


Without looking up the specifications for this heat pump, I cannot be certain, but I expect the operation to provide cooling may require more power than when heating. You probably can find the specifications online for this unit. As you probably know, power is measured in watts and is calculated by voltage times current. This also is likely to be 240 volts operation. If you take the specified power on cooling and divide by voltage (240), that will indicate the current in amperage that will be required to start it. Your circuit breaker is set for current and needs to be a higher current than is required. If that is the problem, you can buy circuit breakers at Home Depot or Lowes. You have to remove the front panel of your breaker box and snap out the circuit breaker. To be safe it would be good to turn off the main breaker switch before you open the front panel and remove the circuit breaker for the heat pump. Should your calculation of current required be less than the rating of the circuit breaker, that implies a malfunction of the heat pump in the cooling mode and would require a service call to the local representative of the heat pump manufacturer.

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1 Answer

Daikin split system air con dead


Split system Air conditioners are very often on two or more separate breakers, with a control voltage (24vac commonly) connecting their operation. the condensor unit and out-door fan generally on a 220 vc 'paired' breaker, possibly a quick disconnect near the unit with fuses inside, or an independant breaker pair, and the evaporator unit with INDOOR fan on a 110 or 220 vac breaker.

switch the fan to 'ON' at the thermostat... this is the midpoint of the system electrically. If the fan comes on check for voltage at the condensor unit. a check to see if the thermostat is the problem... remove the thermostat and connect the red, green and either the white or yellow wires (not both) if you chose white you should have heat...yellow AC...

most split system AC have a small buss fuse on the control circuit board of the indoor unit. looks like a glass tube with metal caps held by metal clips. In 40+ yrs experience I have found it is more likely one or both of the 30 amp buss fuses near the outdoor unit (replace both even if one is still ok) or a 30 amp breaker in the quick disconnect box.
In many systems the control voltage to the thermostat derives from a transformer in the outdoor unit... it could be as simple as a broken wire. Without a full diagnostic, a complete description of the unit ( AC or heat pump, etc) this is all speculation

Nov 19, 2013 | Air Conditioners

1 Answer

I've just moved into a home with an existing Armstrong Concept 10 A/C unit that's at least 15 years old. When I left for a 2-week vacation, the unit was working great. I set the thermostat to 77 to save...


Hello 93 The compressor caused the breaker to trip.A weak capasitor or burnt wire is a common cause.It sounds like the compressor is NOT on even though the fan is.It may need a new wire or maybe a HARD START kit to help restore operation.Call for help.HS kits are not expensive.NO damage results from leaving it on, the problem would have happened anyway even if you went on vacation or not.The curcit breaker stopped it.Its worth fixing.

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2 Answers

I just moved into a brand new home that has cental air (Goodman air conditoner) how do I turn on?


turn the thermostat to cool and turn the temperature down if it still doesn"t run check for double pole breakers that are off

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1 Answer

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try resetting the circuit breaker.

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Fijutsui air conditoner


We had a similar problem. The timer light would blink 3 times, pause, then blink 3 times again, pause, and so on. The fan was blowing lots of air out, but the air was not cold. The operation light was off.

The technician came and fixed it for free, since it's actually easy to fix. He went to our circuit-breaker box, and cut power (from the box) to the air conditioners for 30 seconds. Then, he restored power - problem fixed!

It's apparently because the air con goes into a "safety" mode when there's a power surge.

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1.check wiring of unit.
2.check drain tray.
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1 Answer

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Check your circuit breaker, "off" and "on" the breaker it my be tripped off. If it wont work may be some fuse blown in the control, or the control itself may be defective.

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