Sub Zero Refrigerator troubleshooting

Timely repair will prolong your appliance’s life, bring back its proper functioning and prevent things from getting worse. If your refrigerator is down, check the table, match descriptions and find out what it is and how to fix it.

Sub Zero IC-24FI Refrigerator Troubleshooting

Problem	Solution
No lights or cooling.	Verify power is on.
	Verify electrical power to unit and home circuit breaker is on.
No lights in refrigerator or freezer.	Door/drawer may have been left ajar which has disabled lights to eliminate excess heat. If lights are out, close door/drawer for one hour.
	LED interior lighting must be replaced by Sub
Frost, condensation or ice build up inside unit.	Verify condenser is clean.
	Verify door/drawer is closing properly.
	Verify door/drawer has not been left ajar.
	Verify door/drawer gasket does not have rips or tears. If it does, contact Sub-Zero factory certified service.
	If icing is heavy, turn unit off and use a hair dryer to melt ice. Hair dryer should be set on low and kept moving at all times. Once ice has melted, wipe up water with a cloth or paper towel.
High temperatures, unit runs excessively or unit giving off too much heat.	Verify condenser is clean.
	Verify door/drawer is closing properly.
	Verify door/drawer has not been left ajar.
	Increased ambient temperatures may cause compres- sors to run longer.
	If temperature display shows 38? and 0?, but is not cooling, unit may be in showroom mode.
No water from dispenser.	Wait one hour, then try dispenser again.

Sub-Zero 700TF Refrigerator Troubleshooting

Problem	Solutions
The word SERVICE flashes in the LCD display on the control panel	This may indicate that the condenser needs cleaning. Follow the Condenser Cleaning procedure
	Turn the unit off with the UNIT ON/OFF key pad and then restart by depressing the key pad again. If SERVICE flashes again, contact your Sub-Zero authorized service center for assistance.
The words SERVICE and ICE flash in the LCD display on the control panel	Turn the unit off with the UNIT ON/OFF key pad and then restart by depressing the key pad again. If SERVICE and ICE flash again, contact your Sub-Zero authorized service center for assistance.
The refrigerator/freezer is not operating	Is there electrical power to the unit (power outage)?
	Is the home circuit breaker or fuse off?
	Is the refrigerator/freezer control on?
	Is the condenser area clean?
	If the unit is still not running, it may be in defrost mode; wait 30 minutes to see if the unit will restart.
The refrigerator/freezer is warmer than usual	Is the control set properly?
	Is the condenser area clean?
	Has the door or a drawer been left open for an extended period? Be sure that food is not obstructing proper door or drawer closing.
	Has a large quantity of food been added recently?
The refrigerator/freezer runs for long periods of time	Is the condenser area clean?
	Has the door or a drawer been left open for an extended period? Be sure that food is not obstructing proper door or drawer closing.
	Has a large quantity of food been added recently?
	On hot days and in warm room temperatures, the compressor runs longer.
	Model 700TFO) uses a variable speed compressor and is designed to run continuously. This cooling method actually uses less energy than a typical on-off design.
The refrigerator/freezer is frosted up	Has the door or a drawer been left open for an extended period? Be sure that food is not obstructing proper door or drawer closing.
	Is the door and drawers closing and sealing properly?
Condensation forms inside the unit	This is normal during periods of higher humidity (summer) and with frequent door openings.
	Are the door and drawers closing and sealing properly?
Condensation forms outside the unit	During periods of high humidity, some condensation may appear on the outside of the unit. The condensation will disappear when the humidity drops. Be sure that the door and drawers are closing and sealing properly. If condensation persists, contact your Sub-Zero authorized service center.
Storage drawer is hard to close	Is the unit leveled properly?
	Be sure that there are no food or packaging items that interfere with the ice maker or other interior components.
	Note that the drawer slides in a freezer compartment will not move as freely as in a refrigerator compartment because of lower temperatures.
Ice maker is not working	Does the unit have an ice maker installed?
	Is the ice maker system turned on at the control panel?
	Is the ice container in the correct position within the freezer drawer compartment?
	Is the water supply for the ice maker connected and operating properly?
Ice is clumping in the ice container	Is the ice being used frequently? Discard and allow ice to be replenished
There is an odor inside the unit	Clean the unit thoroughly.
	Cover all food tightly.
Light bulb needs to be replaced

Sub Zero 650 Refrigerator Troubleshooting

Error Code:	Cause:
“EE” Service (Flashing) “38”	SubZero Freezer compartment thermistor fault
“oo” Service (Flashing) “EE”	SubZero Refrigerator compartment thermistor fault
“oo” Service (Flashing) “38”	Several excessive compressor run periods or SubZero Refrigerator evaporator fault
“oo” Ice (Flashing) “38”	Water valve energized longer then 15 seconds, five consecutive times
	Sub-Zero icemaker system disabled 24 hours each time
	A 45 minute halt time occurs each ice maker cycle (no power is going to icemaker)
	To bypass 45 minute dwell switch the unit OFF then back ON
“00” Service (Steady, not Flashing) “38”	To clear error code press bell ON/OFF key for 15 seconds