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12 | Sub-Zero Customer Care 800.222.7820
Troubleshooting
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 may have been left ajar, which has disabled
lights to eliminate excess heat. If the lights are out,
close the door 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 is closing properly.
• Verify the door has not been left ajar.
• Verify the door gasket does not have rips or tears. If it
does, contact Sub-Zero Factory Certified Service.
• If icing is heavy, turn the unit o and use a hair dryer to
melt the ice. The hair dryer should be set on low and
kept moving at all times. Once the ice has melted, wipe
up any water with a cloth or paper towel.
High temperatures, the unit runs excessively, or the unit
is giving o too much heat.
• Verify the condenser is clean.
• Verify the door is closing properly.
• Verify the door has not been left ajar.
• Increased ambient temperatures may cause the com-
pressor 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.
ODOR
• The unit should be cleaned before using for the first
time. This will clear any odors that may have been
trapped during shipping.
• Clean the unit and shelving thoroughly.
• Uncovered food could create an odor, which may
require cleaning.
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