July 14th, 2012, 06:08 PM
Freezer not getting cold
Hello all. I have a bottom freezer LG LRBN20512WW. The fridge works fine but the freezer is not getting cold. It's cool, but doesn't get cold enough to make ice. Here is the story so far:
A repairman came out and pulled the cover inside the back wall of the freezer. We found the coils had frost on the upper right hand corner but not on the whole thing. He thought it was a bad fan so he removed the fan and took it with him to find another one. Overnight, the freezer began working but the fridge now stopped. After installing a new fan the following day, we regained the fridge, but once again lost the freezer.
He returned and charged the system with R134. Still not freezing.
Any ideas what to check next?
Thanks in advance!
July 14th, 2012, 09:12 PM
That is an indication of a major system problem...leaker, restriction, inefficient compressor or any combination of those.
We found the coils had frost on the upper right hand corner but not on the whole thing.
A repairman came out and pulled the cover inside the back wall of the freezer. We found the coils had frost on the upper right hand corner but not on the whole thing. He thought it was a bad fan
Time for a new service company/service tech!
July 15th, 2012, 11:32 AM
I agree with the new repairman. Is there anything I can check? What would cause the fridge to work, but not the freezer?
July 15th, 2012, 06:42 PM
The bare coils with a ball of ice/frost should be checking enough....need special equipment to check further into the refrigeration system.
A none functioning condensor fan motor ( beside the compressor ) is something can can allow the FF section to work but not the FZ.
July 30th, 2012, 12:05 PM
Hi, any updates on this? I'm having a similar problem on my LG bottom freezer (LRBC20512WW). Original diagnose was a bad compressor, so that was changed out. Then we had the same problem, which seemed like insufficient cooling by the compressor again. So the repair switched it out again, saying it was probably defective. Now we are on our third compressor and can't get the freezer to freeze. Any ideas on what to try now? On my request we pulled the back off the inside freezer compartment to check for a defrost issue...but all looked good.
July 30th, 2012, 06:53 PM
On my request we pulled the back off the inside freezer compartment to check for a defrost issue...but all looked good.
All evenly frosted, 1/2 frosted and 1/2 bare, etc?
July 30th, 2012, 07:10 PM
Frosted at the ends only. I just meant that the drain wasn't iced up, showing a defrost problem. The service tech thought that it was indicative of an inefficient compressor.
Thanks for the reply. Kind of stuck now, tech just called to say he needed to take it into his shop to figure out how to work on it. He said the LG service rep told him he needs a nitrogen supply to setup the new compressor. This sounds like a new car requiring special equipment to repair
July 31st, 2012, 05:09 AM
That's odd!! *Sometimes* a frost free issue frosts over all the coils and all of a sudden the defrost starts to work again and defrosts the middle of the evaporator leaving the ends still plugged up with frost.
Frosted at the ends only.
Drain would just be a drain issue, frost free issue allows the evaporator to completely frost over plugging/blocking the air flow.
I just meant that the drain wasn't iced up, showing a defrost problem
Restrictions have plagued the LG refrigerators....esp drier and heat exchangers.
He said the LG service rep told him he needs a nitrogen supply to setup the new compressor.
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