Hi, The defrost heater may not be working properly (timer stuck, heating element burned out, bad defrost thermostat,etc.). The unit should go into defrost mode about every 6-8 hours typically and last about 30 minutes (depending on model of freezer). During defrost cycles the compressor and fan do not run (don't want to keep cooling while trying to defrost). Once defrost is over, the fan and compressor get power again.
Take care
Testimonial: "thanks."
Hi, You will need to remove the rear panel and test the defrost heater and the bi-metal switch. The defrost heater is a very common problem with this model. You can check continuity on both the heater and bi-metal to detern which one need replaced. The bi-metal switch needs to be tested while it is could. If both of these parts prove to be ok, you will need to change the mother board.
Take care
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