Not Cooling?
Why is my Sub-Zero not cooling properly?
Models: 500, 550, 600, 611, 632, 650, 690, BI-30, BI-36, BI-42, BI-48, PRO48.
The number one reason for a no cooling situation is a clogged condenser. The symptoms would be that
both the fridge and freezer section are losing cool temperature. Also, the area between the doors
would be getting hot.
If the refrigerator isn’t cool, check to see if the light comes on when you open the door. Next, check to
see if the thermostat or display control is set properly. If both of these are OK, then check to see if the
compressors are running. Sub-Zero is one of the few manufacturers with a twin compressor system,
which means your fridge side can be not operational and your freezer side can be working fine (or vice
versa).
See if the compressor motor is running. The compressor is in a case with no visible moving parts. It is
usually located at the top of the Sub-Zero unit (except 400 and 700 series) and this is a dual
compressor system, the right compressor is the fridge section. If it’s humming or making a steady noise
and your refrigerator is not cooling properly there could be a problem with one or more various
components.
The most common is the condenser is clogged with lint, hair, debris and it needs to be cleaned. This is
a simple process and should be done every six months.
Need to replace the filter? Walk through it in our repair section: Read more »
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