Question about Refrigerators

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Power surge did something to my freezer. refrigerator still works. Every 2-3 minutes, there is a hum like something is trying to start but kicks off in 3-5 seconds.

Posted by Roger Walker on

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john h

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  • Refrigerators Master
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Check ice machine

Posted on Mar 29, 2020

Jorgie Navito

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  • Refrigerators Master
  • 357 Answers

HE COMPRESSOR:
If you hear a clicking OR HUMMIMG sound coming from the back of your refrigerator/freezer, then the problem is most likely the compressor,relay and or capacitoris overheating or not getting proper power and will not start.The compressor is the component on your refrigerator that allows your refrigerator to cool. If this component is not working properly your refrigerator will stop cooling. Most of the time the compressor is not the component that has failed.

To checkurcompressor with multi meter:
Disconnect and remove the relay and capacitor from compressor, somelocated next to compressor in a casing.

You wills see 3 prongs coming out of compressor. 1 goes tourstart winding, 1 goes tourrun winding and the center goes tourground.

Placeurmeter connector or prong on the start prong and the other on the ground (center prong) take note of the reading in OHMS for example 5 ohms.
Next place meter prong on run prong and the center ground prongagin. Take note of the reading in OHMS. Example 4 ohms

Next place meter prong on the start prong and the other on the run prong, now take note of the reading example 9 ohms. Now match the total of this ohms test with the total ofurtwo separate test. 9 ohms, if they matchurok give or take 5 percent plus or minus. One more test to make to test of there is a short in compressor attach meter prong to ground prong and rub the other end of meter prong to metal ( scrape the metal clean of paint and test on metal surface not painted surface. If it shows continuity or ohms , u have a short inurcompressor. It should show infinity

TO REPLACE RELAY AND CAPACITOR WITH A HARDSTART KIT YOU CAN USE

A3 in 1 start kit for compressors sizes 1/4 through 1/3 HP. And a 5 in 1 for higher H.P. (BE SURE TO MATCH WITH UR COMPRESSOR MODEL NUMBER AND TYPE) Thekit includes relay, capacitor, andoverload device, pre-wired. Thekit will replace all 3 electrical components on capillary refrigeration systems. For newer systems with a run capacitor use?proper kit. For smaller horsepower compressors useTJ90RCO810.

The wire set up is as follows the red wire goes to the right side of compressor prong, the white wire to the left side prong, the black wire to the center prong, and the 2 other black wires go to the power and the ground connection


Lastly you should also checkurTHERMISTORS in the freezer and fridge section for continuity OHMS and for amount of OHMS current being put out. In most models around 13000 ( give or take 150 ohms) ohms is required.



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Posted on Mar 29, 2020

5 Related Answers

rpbuice

Ron Buice

  • 161 Answers

SOURCE: freezer & fridge not working

Bad relay on compressor.

Sometime the relay will start if you unplug the Ref for 30-40 min, let it cool off. Plug it back in, if you get the same buzzing, replace the relay.

Posted on Jan 23, 2009

Michael Anderson

  • 172 Answers

SOURCE: Sears Bottom Freezer Refrigerator - Loud humming noise

That sound is usually your icemaker calling for water. you can turn off your icemaker by lifting the little arm on the icemaker. As the icemaker calls for water the valve will be activated and will hum. This sound is usually not very loud. If your valve is making that much noise you may consider replacing the valve. The part number for you water inlet valve is #2315533 The retail price is $60.18 . I do have these on hand and available to ship out today if you need one. Please just let me know. You may also consider replacing your filter if your refrigerator has one. Thanks and I hope this will fixYa
Michael Anderson
Anderson Appliance
(865)945-3808

Posted on Feb 17, 2009

Anonymous

  • 400 Answers

SOURCE: Maytag Performa Bottom Freezer refrigerator making weird noises

This can be due to low supply voltage, causing the compressor thermal overload to trip out. Therefore when this happens the compressor gets hot and it keeps trying to start but fails. It can also be a faulty starter relay, which is located in the conncetion box of the compressor and is very simple to replace.

Posted on Mar 20, 2009

Sea Breeze

John Tripp

  • 4656 Answers

SOURCE: Samsung RS2533SW refrigerator is not cooling.

It sounds like a defrost problem and I will help you if you need. Thanks, Sea Breeze

Posted on Jun 17, 2009

Joe Povoas

  • 111 Answers

SOURCE: Frigidaire refrigerator side-by-side freezer making loud noise

fan motor probably rubbing in something

Posted on Jun 19, 2009

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Our power went out for a few minutes yesterdat and since then our refrigerator and freezer aren't working. What could cause this problem? -Thanks.


first of all I would check the outlet where your fridge is plugged in to make sure the power surge didn't affect it. maybe plug in a lamp. if it is ok, and the fridge will not start at all, i would check the relay/overload on the compressor as it may have been compromised by the power surge when the power came back on. these components start the compressor which in turn starts the cooling/freezing of your fridge. hope this helps.

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. Cut everything off for a few minutes then turn it back on and listen for a click from the compressor relay as the compressor tries to start.
Is the compressor motor running.If no check starter/overload relay.
Check to see if the condenser fan at the back underneath near the compressor is running. If no check fan.

Are the condenser coils near there warm or room temp. should be warm


How to check stuff>
http://www.acmehowto.com/howto/appliance/refrigerator/refrigerator.php

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Frigidaire FRS23H5AS refrigerator - freezer not cold


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