Question about LG LRTN22320 Top Freezer Refrigerator
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Posted on Jan 02, 2017
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:
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.
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.
Posted on Sep 23, 2010
Testimonial: "Thanks Kelly =)"
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
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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