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Loud snap at compressor

Changed contactor is better but still does it. really sounds like it is coming from compressor.local dealer said he has not heard of this

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  • Bryant Master
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The snap or noise you hear is internal to compressor.

Posted on Aug 13, 2015

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Posted on Jan 02, 2017

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SOURCE: Loud screeching sound coming from the unit

It sounds like the fan motor needs lubricating. Do you need help with this?

Posted on May 05, 2009

  • 30 Answers

SOURCE: CONTACTOR RELAYCLOSE BUT LOOK BURNED

sounds like a locked rotor, did the compressor get hot? did you check max amps on the compressor when it attempted to start?compressors have thermal protection built into their windings, a switch that will open to protect the compressor, and if the rotor is locked, normally you have to replace it, you could try putting what is called a start assist capacitor on it (AKA hard start kit) I would recommend the two wire model, easy to install.
You will need to wait for the thermal overload to reset, turn power off to unit till you get the kit on there.

Posted on Jul 18, 2011

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Hi and welcome to FixYa I am Kelly. The humming your hearing is the contacts on the contactor relay. They are floating contacts. Due to the fact that they float depending on the position they closed in you may or may not get a hum. Over time it may or may not snap out of it as the contacts get some use wear on them. Usually they do. Sometimes they never do. It is not a bad thing unless you notice the contactor heating up. Often by the time you notice the heat build up it is too late. The heat build up is cause from loose floating contacts. There are springs above the contacts that hold the contacts together when the contactor is energized.

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