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Sub-Zero Service Manuals & Error Codes
347Service Manuals
432Error Codes
9Appliance Types
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Top Error Codes for Sub-Zero
CodeTypeDescription
--FreezerUnit is in shutdown mode; all unit functions suspended except lights and door...01FreezerZone X Cabinet Thermistor Failure (Device or Wiring).02FreezerZone X Evaporator Thermistor Failure (Device or Wiring).03FreezerZone X Condenser Thermistor Failure (Device or Wiring).04FreezerAmbient Thermistor Failure (Device or Wiring).05FreezerRefrigerator cabinet thermistor read open or shorted for 10+ seconds, or...06FreezerRefrigerator evaporator thermistor read open or shorted for 10+ seconds, or...07FreezerFreezer cabinet thermistor read open or shorted for 10+ seconds, or repeatedly...08FreezerFreezer evaporator thermistor read open or shorted for 10+ seconds, or...10FreezerUpper cabinet warm temperature alarm.11FreezerUpper cabinet cold temperature alarm.12FreezerLower cabinet warm temperature alarm.13FreezerLower cabinet cold temperature alarm.15FreezerSealed system fault — evaporator temperature cannot drop 5°F in 5 minutes...20FreezerDefrost under-heat with no voltage feedback through gray/white wire at defrost...