Compressor not turning on, fan does run

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Whirlpool Refrigerator

Fridges made by Whirlpool.

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Scott @scott320

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게시일: 2019년 4월 8일

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Compressor not turning on, fan does run

LG lfc24770st French door refrigerator with bottom freezer. Coils are clean, fan runs. Light and temp display function. I checked the relay, for continuity, and it seemed OK. The There is no visible damage to the start capacitor. The fridge and freezer are warm, and the compressor doesn’t seem to turn on.

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jayeff @jayeff

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게시일: 2019년 4월 9일

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Hi @scott320 ,

Can you check if there is power available to the compressor motor when it fails to start?

Be safety aware if you try this.

If the problem is the compressor, according to this link there is a 5 or 10 year manufacturer’s warranty on the compressor (depending on type - click on Warranty information “Details” link)

Have you seen this in regard to LG compressors?

Just some thoughts

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Thanks for the suggestion, I didn’t check for power to the compressor. Good idea, I’ll try that before throwing in the towel. If there’s no power, what are likely culprits? Replacing the board?

Thanks too for the info on the lawsuit.

-Scott

Scott 의 2019년 4월 9일

Hi @scott320 ,

Don't know the circuit but would assume that the control board operates the start relay which would supply power to the compressor. Burnt out contacts on relay?

If you can't hear the relay operate check if it has power to operate when required and if it doesn't since you've already checked it for continuity then it's back to the control board

jayeff 의 2019년 4월 9일

Thanks again about the tip on the compressor. Checked and looks like an open winding. Checked voltage going to compressor, and it was good. Looks like the compressor is bad.

Scott 의 2019년 4월 9일

So, I contacted LG. They have a 5 yr parts and labor warranty on any cooling issues, and are sending someone out. Thanks for the help

Scott 의 2019년 4월 9일

Hi @scott320 ,

Thanks for the feedback.

Good luck ;-)

jayeff 의 2019년 4월 10일

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Thanks for the suggestion, I didn’t check for power to the compressor. Good idea, I’ll try that before throwing in the towel. If there’s no power, what are likely culprits? Replacing the board?

Thanks too for the info on the lawsuit.

-Scott — Scott
Hi @scott320 ,

Don't know the circuit but would assume that the control board operates the start relay which would supply power to the compressor. Burnt out contacts on relay?

If you can't hear the relay operate check if it has power to operate when required and if it doesn't since you've already checked it for continuity then it's back to the control board — jayeff
Thanks again about the tip on the compressor. Checked and looks like an open winding. Checked voltage going to compressor, and it was good. Looks like the compressor is bad. — Scott
So, I contacted LG. They have a 5 yr parts and labor warranty on any cooling issues, and are sending someone out. Thanks for the help — Scott

RonFromMI @ronfrommi 평판: 37 1 · Answer 1 · 2019-04-09T04:29:22-07:00

RonFromMI @ronfrommi

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First thing that comes to mind - If it has auto defrost, check the auto defrost timer and make sure it is running. You may be able to advance it by hand. Another possibility - check the thermostat by disconnecting the leads and shorting them together to simulate the call for cooling. If that turns it on then you need a new thermostat.

Good luck

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Good thought. Checked the resistance and it looks like it was about right (3.4K at room temp) Looks like a bad compressor is the culprit

Scott 의 2019년 4월 9일

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Whirlpool Refrigerator

Compressor not turning on, fan does run

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