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Unit turns on and fan blows but the compessor doesn't come on so there is no cold air? Related Models

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  #1 (permalink)  
Old 05-04-2010, 01:03 PM
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Default a/c repair
Model Number: AGM18GDJ1   Brand: GE   Age: 1 - 5 years   

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Unit turns on and fan blows but the compessor doesn't come on so there is no cold air?


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  #2 (permalink)  
Old 05-05-2010, 09:29 AM
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Quote:
Originally Posted by martensrf1 View Post
Unit turns on and fan blows but the compessor doesn't come on so there is no cold air?
check the termal switch may triped or burn out
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Old 05-08-2010, 06:07 PM
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Try replacing the capicitor. Looks like a metal can.
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Old 05-08-2010, 06:35 PM
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Default a/c wont cool

It is a strong possibility that it is the capacitor. The way that you can tell most of the time is the capacitor will be swollen at the top. Be very careful you can get hurt bad if you don't know what you are doing it is always good to let a experience and licensed a/c guy work on it
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Old 05-14-2010, 11:36 AM
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step one verify 220 available
2. manually engage relay (normally there is a plastic piece you can push on the relay.)
3.if compressor hmmms but dont run check start cap
4 if compressor dont even humm check wiring and 220 at both sides of the relay

Basically the thermostat engages the relay that supplies the 220 directly to the compressor like a switch
If you dont have a meter to check the capacitor take it to someone they will probably test it for free.
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Old 05-14-2010, 06:47 PM
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Quote:
Originally Posted by tvtech View Post
step one verify 220 available
2. manually engage relay (normally there is a plastic piece you can push on the relay.)
3.if compressor hmmms but dont run check start cap
4 if compressor dont even humm check wiring and 220 at both sides of the relay

Basically the thermostat engages the relay that supplies the 220 directly to the compressor like a switch
If you dont have a meter to check the capacitor take it to someone they will probably test it for free.
1.This is a widow unit, not central.
2. What you mean is a contactor, not relay.
3. A/C's are mostly PSC compressors.
4. Turn power off and test capacitor with a test meter as follows.
Since this unit uses a dual capacitor (fan & compressor) place
one lead of meter (set to ohms) on center terminal, place other lead on either of existing terminals and observe. If good meter will rise then slowly fall. If it rises and stays or does not move, change capacitor.
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