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I have a GE profile refrigerator that has defrost heater…

Customer Question
I have a GE...

I have a GE profile refrigerator that has defrost heater issues.

Contractor's Assistant: Can you guesstimate how old your GE is? And just to clarify, what's the exact model?

12 yrs. PSC23SGRC SS

Contractor's Assistant: Do you plan on doing the work yourself?

YES

Contractor's Assistant: Anything else we should know to help you best?

The defroster seems to work occasionally. I've already replaced the defrost heater. I'm getting ready to replace the thermostat defroster. Does my refrigerator have a defrost timer?

Submitted: 7 months ago.Category: Appliance
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Answered in 5 minutes by:
10/2/2017
Appliance Technician: Tyler Z., Appliance Doc replied 7 months ago
Tyler Z.
Tyler Z., Appliance Doc
Category: Appliance
Satisfied Customers: 87,078
Experience: 9+ years being an appliance technician with factory training.
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Appliance Technician: Tyler Z., Appliance Doc replied 7 months ago

If you already replaced your heater, then it sounds like your defrost thermistor sensor has likely failed. The defrost thermostat rarely if ever fails. The thermistor sensor is the white plastic bullet attached to the top of the silver evaporator coils. If you had a multimeter, you can test continuity through the sensor if you cut the wires to it and put the sensor in ice water and it should read 16.3k ohms. If not then the sensor is definitely bad and needs to be replaced. Below is a link to the sensor.

CLICK HERE for sensor

Now if the sensor did check good, it means that your main control board is bad. The board is what controls the defrost cycle. It's located behind the 8" x 10" sheet metal panel on the back of the refrigerator.

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Appliance Technician: Tyler Z., Appliance Doc replied 7 months ago

Hello again. I'm just following up because I haven't heard back from you and I see this question is still open and unrated. Is there anything else I can help you with?

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