16 | Sub-Zero Customer Care 800.222.7820
High temperatures, the unit runs excessively or the unit is
giving off too much heat.
•
Verify the condenser is clean.
•
Verify the door/drawer is closing properly.
•
Verify the door/drawer has not been left ajar.
•
Increased ambient temperatures may cause the com-
pressors to run longer.
•
If the temperature display shows 38° and 0°, but is not
cooling, the unit may be in showroom mode. Contact
Sub-Zero Customer Care at 800-222-7820.
Troubleshooting
UNIT OPERATION
No lights or cooling.
•
Verify power is on.
•
Verify electrical power to the unit and home circuit
breaker is on.
No lights in the refrigerator or freezer.
•
The door/drawer may have been left ajar, which has
disabled lights to eliminate excess heat. If the lights are
out, close the door/drawer for one hour. If the lights are
still out, contact Sub-Zero Factory Certified Service.
•
LED interior lighting must be replaced by Sub-Zero
Factory Certified Service.
Frost, condensation, or ice buildup inside the unit.
•
Verify the condenser is clean.
•
Verify the door/drawer is closing properly.
•
Verify the door/drawer has not been left ajar.
•
Verify the door/drawer gasket does not have rips or
tears. If it does, contact Sub-Zero Factory Certified
Service.
•
If icing is heavy, turn the unit off and use a handheld
steamer to melt the ice. Do not use a hair dryer. Once
the ice has melted, wipe up any water with a cloth or
paper towel.
Troubleshooting
