Question about GE Zoneline AZ55H07D Air Conditioner

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Problem with AZ21E15EACV1

Unit # 1 was stuck on heat no matter what position selection switch was set. Replaced selector switch (WP26X35) & power pack (WP29X41). Nothing will run. This unit is 265 volt.
Unit #2 is stuck on heat also, just like #1. This is also a 265 volt unit
I have gotten no where with GE or the company tha I purchased the replacement parts from.

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Re: problem with AZ21E15EACV1

If you know how to check these, try to check these, compressor, compressor capacitor and thermostat, hope this would do. tnx.

Posted on Jan 24, 2008

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Wild guess the fan was replaced with a one speed motor. Or the selector switch is bad or not connected. Or the relay/s for other speeds are not getting thermostat signal for some reason.

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Outdoor heatpump unit,twx736a100a2, coils freeze over solid,replaced outdoor thermastat, checked freon and replaced a relay switch at a cost of $500/for 2 service call-outs.It worked fine whole month of a...

Coils freezing due to dust blocked coils and or air filter or short of gas. Service your unit completely.Please do not change any spare/s without knowing exact problem. Please follow the steps given below.

Toget proper heat, keep your temp setting at 30+ degree and also mode in "heat"position. If still no heat, check your heating sensor for closed circuit by anOHMs metre.It it's with RV, check power to RV.If it's with heatingelement check power to element. If power is there but still no heat meanselement defective. Replace new heating element. Thanks. To get proper cool, keep the tips as follows:
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My heat pump package unit compressor draws high amps and keeps going up until it blows the 40 amp fuse on heat only. and on cooling only works for a minute or two and shuts off and starts again but draws...

This could be many things, but check the following:

1. The reversing valve - make sure it works and is in the correct position for the selected operation (heating or cooling)

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3. If the unit has auxiliary heat, make sure the elements or the controls for them aren't stuck on - this could be a control board problem.

4. Check the outdoor unit defrost cycle for stuck heating elements or a faulty control board/stat.

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Dec 22, 2009 | Goodman CLJ30AR32 Air Conditioner

1 Answer

One day my RV Coleman ac just quit running on low cool but every other setting works fine. Any ideas?

Is your Air Conditioner run with a wall mounted thermostat or the ceiling pack controls? If it is the ceiling pack controls, then your selector switch has gone bad and needs to be replaced. This is located in the ceiling pack itself and is relatively easy to do. You can easily test it with an Ohmmeter, going through these steps:

To check the selector switch, remove wires from the terminals
and rotate the switch to the proper position and read
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Terminals Switch Position
L-1-3 Lo Heat
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* If you do not wish to remove the wires from each terminal,
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Hope this helps,


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1 Answer

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The first thing to check is incoming 120VAC power to the unit. This voltage must be 115Volts domestic USA with no less than -10% allowable. If your voltage is below this point, the unit will not work. If your voltage is ok, check the thermostat or selector switch. Make sure that the thermostat (if wall mounted) has 12VDC running to it. If it does not, fix that problem first. If it is manual control, check the selector switch for ok. You should have incoming 120VAC power to the switch and when the High/Cool is selected, check the following.

Terminals LI and C, and L1 and 1 should have continuity. If not, replace selector switch.

Hope this helps,


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ASSUMING when you cleaned it, you didn't get the controller knob wet, which could cause heat and ac to come on at the same time. If after a few days, it's still the same, it's the selector. I've replaced a million of them (ok, not really a million, but, a lot.)

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If the unit is manual control there are two knobs in the control the thermostat and the selector switch. If your selector switch is in fan position the fan will run and the compressor will be "off"(even if you "off" and "on" your thermostat), if your selector switch is in cool position and your thermostat is in "on" position the compressor and fan will both run. But if the thermostat is in "off" position and your selector knob is in cool position the fan will run but the compressor will be "off".

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