Troubleshooting
Troubleshooting
UNIT OPERATION
No lights or cooling.
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Verify power is on.
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Verify electrical power to the unit and home circuit
breaker is on.
No lights in the refrigerator or freezer.
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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.
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LED interior lighting must be replaced by Sub-Zero
Factory Certified Service.
Frost, condensation, or ice buildup inside the unit.
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Verify the condenser is clean.
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Verify the door/drawer is closing properly.
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Verify the door/drawer has not been left ajar.
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Verify the door/drawer gasket does not have rips or
tears. If it does, contact Sub-Zero Factory Certified
Service.
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If icing is heavy, turn the unit off 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.
20 | Sub-Zero Customer Care 800.222.7820
High temperatures, the unit runs excessively or the unit is
giving off too much heat.
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Verify the condenser is clean.
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Verify the door/drawer is closing properly.
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Verify the door/drawer has not been left ajar.
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Increased ambient temperatures may cause the com-
pressors to run longer.
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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.
No water from the dispenser.
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Wait one hour, then try the dispenser again.
Contact Sub-Zero Customer Care at 800-222-7820
if unresolved.
ODOR
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The unit should be cleaned before using for the first
time. This will clear any odors that may have been
trapped during shipping.
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Replace the air purification cartridge.
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Clean the unit and shelving thoroughly.
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Uncovered food could create an odor, which may
require cleaning.