No ice and frost build up in side-by-side fridge-freezer

Question: The icemaker in my side-by-side fridge-freezer will not dispense ice. I can hear the motor humming but no ice comes out. Also, everything in my freezer is developing frost on it pretty bad. What could be wrong? Could these problems be related?

Answer: These items could possibly be related. It’s possible that your freezer’s self-defrost system is not functioning properly. Normally, every 6 – 12 hours, your freezer’s compressor turns off and a defrost heater melts any frost or ice build up on the evaporator coils. The melted frost and ice then drains off to the freezer’s drip pan. If you can hear your compressor running– a humming sound or some other continuous noise– chances are the compressor is not the problem.

If possibly, defrost your freezer by unplugging it for 24-48 hours. Plug it back in to see if it cools properly, if it does, then it is probably a problem with one or more of the parts in your self-defrost system.

Unplug your freezer again and check out these three components of your self-defrost system: the defrost heater, the defrost thermostat, and the defrost timer. Inspect all three parts for corrosion or obvious signs of breakage. You can also test these parts for continuity with an ohmmeter or multimeter. For information on how to do this or what the readings should be, check out this article on “Testing & Repair Instructions for Icemakers.

Read more about icemaker repair help and check out the articles below:

Not sure what part to buy? Visit for help finding the right freezer replacement part for your appliance.

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