Question about Amana PTH123B25AJ Heat Pump Air Conditioner

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Carnero when i turn it on everything go's on but the comp.there is no voltage going to the comp.

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Verify that the contactor rely is closing. if not possible low or high pressure switch has tripped. some are push button resetable some not. does the outdoor fan run?

Posted on Nov 22, 2008

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1 Answer

Muz series led flashes twice

58 volts is not enough to run a compressor either your meter / reading is wrong and there should be no voltage on compressor terminals when disconnected .

Nov 22, 2014 | Air Conditioners

1 Answer

Everything seems to be working but no cold air.

Look at comp. outside if its working or not if yes it mean that there are ; leak or something wrong in comp pls contact if need details

Sep 22, 2013 | Air Conditioners

1 Answer

Is a 45/5uf run capacitor the same as 5/45uf

Yes, the terminals are still marked the same and your compressor (COMP) will always have the larger microfarad rating. What can change though is the voltage rating. It will either be a 370v or 440v. You can use a 440v on a system that originally had the 370v, but not visa versa. Basically, you can go up, but you cant go down. Hope this helps!

Jul 14, 2012 | Bryant Air Conditioners

1 Answer

Rudd air conditioner outside fan won't start

I just had the same problem. I replaced the motor with no luck. It turned out to be a bad capacitor. If it is a dual capacitor, three prongs on top, it also starts the compressor. It is recommended to replace the capacitor anytime you replace a motor. I would try replacing the capacitor first. It is a lot cheaper that a new motor. If that does not fix the problem then you can get a motor. No harm, no foul. The slow start of the motor is a common symptom of a bad capacitor. The motor is not getting enough voltage. The capacitor increases the voltage like a transformer. It will boost it to almost 400 volts, depending on your unit.

Jun 21, 2012 | Air Conditioners

1 Answer

Fan barley turns but can hear comp kicking on but no fan speed

Sounds like fan start capacitor is defective, or fan itself. Capacitor gives fan the necessary boost to start, then it will run on regular voltage once it's up to speed. If your not experienced with electrical and especially capacitors, please get proper tech help, as capacitors can give a very high voltage shock, which could be fatal.

Sep 19, 2011 | Coleman Mach III Air Conditioner

1 Answer

Hello, no cold air The fan out side is not turning on... inside the unit is a brown connection box all the wires go in... on top is a contact switch... when I manually make the contact buy pushing do to...

You have an issue on your low voltage side. More then likely its an open safety switch or comp delay on circut board if your curcut board has one. Could also be a bad stat or blown transformer. You need to verify you have 24v power on your low voltage side first things first. If you have 24v your transformer is ok, if not start there.

May 16, 2011 | Weather King 10AJA6001AH Air Conditioner

1 Answer

A/c unit not working

So only fan is running, the compressor not running okay check the voltage going to the compressor. The connection is coming from Thermostat or temperature controller, if there is supply going to A/c Comp. check the safety thermostat relay above the compressor.

Jun 01, 2009 | Air Conditioners

1 Answer


Hi fdisc I feel quite sure your compressor is going straight to ground you need to get someone to check the comp, for its resistance and he or she will soon let you know for sure.



May 24, 2009 | Danby DPAC8020 Air Conditioner

1 Answer

Blows low volt fuse comp and cond fan wont run only supply fan runs

you check the fan motor and the compressor winding and terminal you have a short

Apr 27, 2009 | Air Conditioners

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