Question about LG LRTN22320 Top Freezer Refrigerator

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Background= My 4 year old unit is seldom used but is always plugged-in and powered. It is installed in a vacation house. Sometimes it takes weeks or days before it is opened. Breakdown - After a few days without opening, it was found to have stopped and all contents got spoiled. Repair - 1. Authorized LG technician was called and he replaced the capillary tubing. After few days observation, it was not cooling enough. 2. Same technician was called and he replaced the compressor. Cooling was sufficient but cooiing seems not as fast as before. Also our electric bill jumped up. Current reading seems to be normal and defrost timing cycle seems to be ok too. I know that compressors of refrigerators cut-in and out several times day as soon as desired temperatures are reached but I noticed that the compressor of this unit seems to be operating continuously. Questions- 1. What could be the reason for the increase in electric consumption? 2. Once repaired, will the unit be re-stored to original efficiency? 3. What can I do further?

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

kel1guy2002
  • 3740 Answers

SOURCE: LG LRFC22750ST fridge is 3 years old and the top

During the Automatic defrosting cycle there is a 60 Deg F thermostat on the evaporator that must cycle to terminate the defrost cycle and restart the compressor. If for some reason the defrost heating element is not coming on (failed / open / wire terminal problem) The the unit will just sit not operating until it reaches 60 F in the evaporator section of the freeser compartment. I suspect that you have an Automatic defrost heating element problem. Again that can be from a broken wire / terminal or the element itself has failed. It is possible that the 60 deg F thermostat itself is sticking and not cycling when the temp of the evaporator reaches 60F. It can also be caused by the temperature control that does not complete the circuit and start the unit when the fresh food section reaches cycling temp 34 - 37 deg F.

Your particular unit uses a thermistor and what is listed as a sensor to control the defrost and cycle temp circuits.

Parts list here:

http://www.searspartsdirect.com/partsdirect/part-model/LG-Parts/Refrigerator-Parts/Model-LRFC22750ST/3204/0161000/P0809090/00002?blt=06&prst=&shdMod=

Sensor is Item 903E

I am NOT telling to order anything thing. The only way to find out is to read out the components.

Thanks for choosing FixYa.

Kelly




This requires that the back of the freezer compartment be opened to troubleshoot and repair. Troubleshooting is done via resistance checks from the defrost control board or timer to the compressor. Usually blue wire from the control to the orange wire on the compressor then finding out which component has failed by reading resistance before and after each component.

The only way to find out is to use a meter.

Thanks for choosing FixYa.

Kelly

Posted on Sep 23, 2010

Testimonial: "Thanks Kelly =)"

jumptrout51
  • 3361 Answers

SOURCE: French 3 door LG refrig.. Not cooling but

You either have a defective start relay or a defective compressor.
If it is clicking every 45 seconds or so,you can try a new start relay.
Feel the compressor.
Is it hot to the touch?
Is the compressor fan motor running?

Posted on Apr 06, 2011

  • 142 Answers

SOURCE: LG Refrigerator GR2211GDC. Compressor was

Whoever replaced the compressor obviously left a leaking solder joint. That needs to be fixed, after which the unit needs to be recharged.

Posted on May 26, 2011

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