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FIXED LG Refrigerator LRSC26950ST ER FF code... already changed freezer fan. What's next?

jimmi1977

Premium Member
Joined
Oct 13, 2021
Messages
4
Location
toronto
Model Number
LRSC26950ST
Brand
LG
Age
More than 10 years
Started getting ER FF code couple of weeks ago. Compressor seems working, fridge compartment sort of cools (only in the bottom).

Changed freezer fan, still same problem. What is next, motherboard? Part number for the motherboard is 6871jb1367, but it is not available anywhere...

If I press button on the motherboard after turning on, it goes into "demo mode". If I press it once again, it goes into "22 22" mode, whatever it is. Is it diagnostics mode? Or another error code?

On the third press, it goes into regular cooling mode, I guess, but after a few minutes displays ER FF again. Same happens if I just turn it on, it sort of starts working and then goes into ER FF mode.

Anything else I can do with that motherboard button? I tried long press but it seems to do nothing...
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
134,025
Location
Redmond, Oregon

jimmi1977

Premium Member
Joined
Oct 13, 2021
Messages
4
Location
toronto
The freezer fan is not running... Still the motherboard, right?

Also, is there a way to enable test mode and test something? what is "22 22" mode?
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
134,025
Location
Redmond, Oregon
I don't know what "22 22" mode is.

The freezer fan is not running... Still the motherboard, right?
Yes, you are correct.

Also, is there a way to enable test mode and test something?
I don't have the service manual for this model, so I don't know a way to do it.

Jake
 

jimmi1977

Premium Member
Joined
Oct 13, 2021
Messages
4
Location
toronto
Found a manual for a similar model (at least it describes diagnostics mode)

I was given part number for a control board by a technician, EBR58010501

I even found a remanufactured board, rtsrop.com/corecentric-remanufactured-refrigerator-electronic-control-board-replacement-for-lg-ebr58010501

is it worth trying to order it?
 

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Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
134,025
Location
Redmond, Oregon
Both you and I agreed the main control board is 6871jb1367.

I was given part number for a control board by a technician, EBR58010501
That's not what your model calls for. So no, I would not waste your money on that one.

Jake
 

jimmi1977

Premium Member
Joined
Oct 13, 2021
Messages
4
Location
toronto
Ok, to give this a closure. Local repair person fixed the control board. Transistor and capacitor that controlled the fan were replaced. Works fine now.

Hope that helps someone.
 
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