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PFSF6PKWBBB GE French door refrigerator water tank freezing! Need GE tech help!!

RedxStL

Premium Member
Joined
Nov 24, 2020
Messages
7
Location
St louis
Model Number
PFSF6PKWBBB
Brand
GE
Age
1-5 years
I am a service tech looking for help from an Ge tech. I have this ge French door (samsung made) The water tank keeps freezing. No water under crisper and no complaint of food freezing at all. I found service manual and found resistance reading of heater on tank. Heater was out of range so I replaced and still freezes up in 48 hrs. I wanted to test if the board is sending power to heater but not finding anything that says when it sends power. All I see is that it gets 12vdc. No power to that heater in force defrost.

So my other options are damper next to tank, evap cover or main board. But not sure how do determine which is the issue without throwing parts at it
 

RedxStL

Premium Member
Joined
Nov 24, 2020
Messages
7
Location
St louis
The 89 page service manual doesn't say when it activates the tank heater. Is it during normal defrost? Would like to know when to test voltage to determine if board is sending power. Also no errors
 
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