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Freddrick ptac a/c unit comressor never comes on relay on compressor seems good,m what now?

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Hi!! change you start capacitor also check for amps going into the compressor.if power is going then ohm out compressor.Short compressor..

Posted on Jan 20, 2009

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Compressor on my kitchenaid side by side refrigerator not working properly the compressor turns on for 5 seconds then goes off


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If I strap terminal 3 to 5 on the compressor relay the compressor comes on. What controls the compressor relay?


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1 Answer

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Hi,
The compressor is in a locked rotor condition..which means that it is trying to spin but cannot, probably because of a mechanical failure within the compressor...
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http://www.fixya.com/support/r3571569-air_conditioner_trouble_review_the_possi

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AMANA PTH153B35AE PTAC Temp drop??


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1 Answer

Comressor won't kick in...


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2 Answers

Will not switch to cool mode. heat and fan work fine


hi,
regarding on switch mode theres a common line between heating and cooling although fan is always connect on them.,also with the thermostat,the sequence on this when you switch to cooling and your connection is on heater,the contactor will shift to compressor source,so if there is no cooling, the contactor supplying the compressor is not functioning when you switch on cool mode.try to tighten screw on compressor relay maybe only loose.on control panel,or check continuity of compressor if the compressor still good,check also the freon charge using clamp ammeter,this should be done by ac technician.have a nice day
rate me up,thank's

Apr 26, 2009 | Heating & Cooling

3 Answers

TRANE PTAC


You need to replace your control board, but if you are can repair it by your self you can change the relay that supply the fan and condenser.

Nov 15, 2007 | Heating & Cooling

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