Question about Sub-Zero 632 / S
My frdge displys EC21 which is an defrost overheat . How do I repair this problem.The fridge still works good. Thanks
EC 21 has nothing to do with the refigerator. From the 600-2 series service manual page 3-21 EC 21 is
Defrost Overheat fault.
The defrost system is only in the freezer and on a completely seperate refrigeration system. Clear the EC by holding the bell key pad down until you here a tone this is going to be a minimum of 15 but can be as long as 30 depending on the generation of your appliance. The part that you will most likely need to replace is the defrost terminator which stops the defrost cycle. You may have also had a problem in the refrigeration section which did fix by yourself, good job.
Posted on Jan 23, 2009
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Posted on Jan 02, 2017
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