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Appliance Guru
Appliance Guru, Owner and Technician
Category: Appliance
Satisfied Customers: 14410
Experience:  Over 15 yrs. experience with 10,000+ in home repairs.
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I have a sub-zero 650 refrigerator. The freezer temperature

Customer Question

I have a sub-zero 650 refrigerator. The freezer temperature resets to -22 or -23 every time I close the refrigerator door. I change the temp back to zero, but it resets after I close the door. The ice cream in the freezer is as hard as concrete! Is this a bad electronic board? How can I fix this?
Submitted: 1 year ago.
Category: Appliance
Expert:  Appliance Guru replied 1 year ago.
Hello I am Appliance Guru, Well it is displaying the current temps so if it is that cold the control or temperature sensor for the freezer may be bad causing the unit to run too long. You can try to shut power off to reset it. You then would need to check the sensors with an ohm meter to see if they are in range.