Our LG fridge stops cooling and the light for the controller goes blank. The unit is still powered as the interior light comes on when the door is opened. Each time, we unplug the fridge and plug it back in and it works again. Any one have this problem or any idea? Thanks, J.H.
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Re: Refridgerator stops cooling
Check the compressor relay near the compressor on the back bottom of the fridge. Check voltage it should read about 115, up above that there is a computer sensor, check that also has a fuse on it. One of the two is bad, they are cheap part and you can find them on LG.com
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Click this link http://c.searspartsdirect.com/lis_png/PLDM/5R031172-00001.png if you have assured that the compressor is running and starting by removing the rear panel and you have also assured that the units main control board is functioning properly which is located at 500a on the diagram above. I would check this main board I personally have repaired many of these units and the LG electronics are not made well and usually become problematic within 2 years on this unit and a similar kenmore unit also made by LG. Have you assured that also the compressor fan is working as well? I await your reply Thank you Rick
Check to see if the evaporator fan is blowing. Sometimes removing the back panel to expose the fan and hand turning it can make it come back on. If this doesn't work then the fan is bad. Also make sure that there is good circulation to the fridge side. Food can sometimes block air flow.
no light??? the interior light is on as long as you have power to unit, i would check your breaker/ outlet. and then remove the back cover and look for a broken/ disconnected wire, you should have at least lights to unit, sounds like a power issue
I just went through this with my refridgerator and actually posted one of the questions. Here is what I found ........
In the freezer compartment behind the panel there is an evaporator fan which pulls cold air from the freezer and pushes it up into the refrridgerator compartment. If the fan is not working it is one of three things.. 1) there is so much frost in the fan area the fan blade is stopped and cannot push the cold air into the refridgerator compartment or the air channel is blocked. 2) there is no electricity going to the fan (usually tied to the door switch of the refirdgerator compartment, and 3) the motor is dead and will have to be replaced.
Solution to #1 - defrost but there is another problem in the "frost-free" part of the system which must be addressed or the frost will return and it will happen again in the future.
Solution #2 - check to see there is power to the fan. (most are 110VAC but some are 100VDC. Use a meter and check)
Solution #3 - If there is power, the motor is dead. Replace the motor. Be aware that AC and DC motors are different and replace per manufacture's specifications.
if fridge freezer sits down after power outage on a rs21dcns where interior lights are lighting but nothing else is working press power freeze and power cool buttons together for a few seconds should repower unit