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LFX31945ST/02 All look good but not cooling

osilfa

Premium Member
Joined
Sep 15, 2018
Messages
3
Location
FL
Model Number
LFX31945ST
Brand
LG
Age
1-5 years
hi, i need help, my LG LFX31945ST/02 no cooling so i made test PCB and the test #3 do not display only test 1 and 2.

Any suggestion

Thanks.
 
Last edited by a moderator:

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
105,310
Location
McMullen Valley, Arizona
Hi,

Your missing a digit between the "9" and the "5" in your model number, we would need that first.

Jake
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
105,310
Location
McMullen Valley, Arizona

osilfa

Premium Member
Joined
Sep 15, 2018
Messages
3
Location
FL
Yes the compressor running ok, and the fan next to the condenser too.

Rgds
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
105,310
Location
McMullen Valley, Arizona
Ok,

If the compressor is running and there is no frost on the evaporator coils there's a sealed system problem. The sealed system consists of the compressor, condenser, evaporator, heat exchanger, filter/drier and refrigerant. Common problems with a sealed system are bad compressors, refrigerant leaks, and system restrictions. Sealed system repair costs will often exceed the machines value.

Check your owners manual warranty, some models have up to a 10 year warranty on the compressor, and 5 yrs. on the sealed system, which includes the compressor.

Jake
 
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