Question about Intertherm P3RA-048K Air Conditioner
Make sure outdoor fan is turning if it is a split unit. Could be the compressor is not running due to a bad start capacitor or possible open winding inside sealed compressor. First insure that all wiring is secure and making contact on all connections. If the outdoor fan by chance is not running it could be a bad fan motor.Also if the fan and the compressor will not run it could be a contact relay bad or dirty contacts. .....note....Capacitor or Contact relay are cheap items around $10 to $20 each but a compressor is average $350 to $600 and a Condenser fan motor can be $80 to $140 just cost alone! BEWARE OF HIGH VOLTAGE WHEN TESTING ELECTRICLE DEVICES!!!! To test the compressor there are three wires that will need unplugged on the side to it. With all wires off and the main power disconnect or breaker pulled/shut off. Take an ohm meter and touch the leads to the contacts of the compressor. There is usually a Common-Start-an Run. Measure for ohms between Common to Start----then Common to Run------then Start to Run------you should get a resistance reading between each with Start to Run being the highest number! If any are open and no resistance is measure then you have an open winding and will need a new compressor. It is not repairable and must be replaced. If you take an ohm reading from any of the three post to the housing or copper tube of the suction line or discharge line and get a reading this would mean you have a shorted winding and must replace compressor aswell. Goodluck!
Posted on Aug 21, 2010
Here is a tip about trouble shooting your air conditioner...
Air Conditioner Trouble -Review the Possibilities
Posted on Jul 12, 2010
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Posted on Jan 02, 2017
If you have a heat pump probably there's a wrong connectionin the thermostat, but if is not a heat pump ,the compresor is not working or the unit leaked all the refrigerant.
Posted on Aug 30, 2009
Testimonial: "thank you, we have had a problem in the past with refrigerant leaking, was supposed to be fixed"
Start the unit and go outside to see if the insulated pipe is sweating or cold, hot air should be discharging from top of outside unit. Since the breaker is not tripping, my best guess is the compressor is not operating. You might have to replace the capacitor.
If you can hear the compressor operating, then most
likely needs refrigerant
Posted on Jun 17, 2010
Testimonial: "Thanks for providing some additional clues and methods to pin down what needs replaced. Now I need to determine whether the run capacitor or the other part, for which I can't find the name, is at fault, unless the compressor is bad."
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