Troubleshooting
Troubleshooting
Before contacting Sub-Zero Factory Certified Service, visit
subzero-wolf.com/assistance or use these helpful tips to
prevent the need for a service visit.
UNIT OPERATION
No lights or cooling.
1
Verify power is on.
Verify electrical power to the unit and home circuit
2
breaker is on.
No lights in the refrigerator or freezer.
1
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
2
Factory Certified Service.
No refrigerator shelf light.
1
Verify the shelf is properly installed in the tracks along
the back wall.
Verify nothing (a tall container or food) is preventing the
2
shelf from engaging the tracks along the back wall.
Frost, condensation, or ice buildup inside the unit.
1
Verify the condenser is clean.
Verify the door is closing properly.
2
3
Verify the door has not been left ajar.
4
Verify the door gasket does not have rips or tears. If it
does, contact Sub-Zero Factory Certified Service.
5
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.
24 | 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.
1
2
Verify the door is closing properly.
Verify the door has not been left ajar.
3
4
Increased ambient temperatures may cause the com-
pressors to run longer.
5
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.
Wait one hour, then try the dispenser again. Contact
1
Sub-Zero Customer Care at 800-222-7820 if unre-
solved.