Question about Sub-Zero 690 Side by Side Refrigerator
Ignore the fan operation... That is perfect.
You are likely experiencing a DEFROST failure
(most commonly a defrost timer failure)...
part number 3081180 item 69 on your exploded
top view (top right side as viewed from the front).
There are typically only three (3) elements to a DEFROST
- Defrost Timer (as noted above)
- Heater element to WARM the EVAPORATOR
- DEFROST thermostat... inhibit excess heat
(closed circuit at freezing - Opens at room temperature)
Check your defrost pan...
there should be water there DAILY...
IF not: you are assured that your DEFROST fails.
Per YOUR DESCRIPTION...
You need to look for a SUDDEN REASON (huge air leak)
why FROST would form so quickly...
USUALLY a big pizza box... BUT ANYTHING blocking a
TIGHT DOOR SEAL will cause massive frosting.
It is taking moisture from the WARM ROOM AIR and blocking your evaporator...
Yes ... all INTERIOR panels must be in place for the refrigerator to function properly.
Carnac the Magnificent
Posted on Apr 06, 2017
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Posted on Jan 02, 2017
You do have a leak and it will be in the evaporator. So call a factory authorized company and have it replaced.The warranty of a Sub Zero sealed system is full parts and labor for years 1-5 and parts only in year 6-12. Sub Zero expects a lot of their service companies so it behooves you to call one. To find an authorized company go to http://www.subzero.com/locator/locator.aspx?type=0&zip= or call 800-222-7820
Posted on Jan 08, 2009
Tips for a great answer:
Hi fridges will warm up on the outside as they remove heat from the inside. excessive heat with not extreme cooling inside the fridge indicates a possible degridation of coolant fluid or a leak. as the motor tries to cool the fridge the thermostat inside stays on as the tempreture inside has not been reached. if you hear the motor/ pump continually running this will indicate a cooling problem.
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