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Frig not getting cold. help a clicking sound by the compressor. I have a maytag model # psd2450grq . thanks

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The clicking is coming from the compressor starter/overload relay. Part 4 on this diagram.
http://www.searspartsdirect.com/partsdirect/getSubComp.pd?modelNumber=PSD2450GRQ&productCategoryId=0165000&brandId=3048&modelName=MAYTAG-REFRIGERATION&diagramPageId=00001&componentDescription=COMPRESSOR&documentId=M0310056&blt=06


You can test the relay but sometimes you can tell it is bad by seeing if it rattles when you shake it or if it looks burnt. If replacing the relay doesn't fix the problem then there is a problem with the compressor which will require a qualified tech to check out or replace it. Here's how to test it with an ohm meter.


Test the compressor relay for continuity using a multitester. Set the multitester to the ohms setting X1.
With the relay upside down, place the probes into the terminals labeled "S" and "M". The multitester should display a reading of zero ohms, indicating continuity (or if using a continuity tester, it should light up).
With the probes still in place, turn the relay over. You should hear the click of the magnetic switch engaging. The multitester should now display an ohm reading of infinity (or the tester should not light up).
Turn the relay upside down again, place the probe on the "S" terminal and place it on the side terminal labeled "L".
The multitester should now display a reading of zero ohms (continuity). Turn the relay over and the reading should change to infinity.
With the relay upside down place one probe on the "L" terminal and the other probe on terminal labeled "M".
The multitester should display a reading of zero ohms. Turn the relay over and the reading will stay the same, zero ohms.
If the compressor relay does not pass all of these tests, it should be replaced.



Posted on Nov 12, 2009

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