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Error code reference
U-Line Wine Storage Error Codes
32 error codes documented with diagnostic procedures.
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(L) (R) Temp Hi 12H+Left or right zone temperature +10°F (+5°C) over set point for over 12 hours.(L) (R) Temp Lo 12H+Left or right zone temperature -10°F (-5°C) under set point for over 12 hours.(L)(R) Door Open 5MLeft or right door switch open for more than 5 minutes.(L)(R) Evap T OpenLeft or right evaporator thermistor circuit open.(L)(R) Evap T ShortLeft or right evaporator thermistor circuit shorted.(L)(R) Temp Hi 6H+Left or right zone temperature +10°F (+5°C) over set point for over 6 hours.(L)(R) Temp Lo 6H+Left or right zone temperature -10°F (-5°C) under set point for over 6 hours.(L)(R) Zone T OpenLeft or right zone thermistor circuit open.(L)(R) Zone T ShortLeft or right zone thermistor circuit shorted.159Thermistor not working on CO2075DWR99Thermistor not working on 2075DWRWCAmb Thrm OpenAmbient thermistor circuit open.Amb Thrm ShortAmbient thermistor circuit shorted.dADoor ajar alertdrDoor has been left open for more than 5 minutes.E0Door 1 (upper) open.E1Thermistor 1 (zone thermistor) open circuit.E2Thermistor 2 (evaporator thermistor) open circuit.E3Thermistor 3 open circuit (may also indicate door opened too long on user display).E4Thermistor 4 open circuit (does not apply to this model).E5Thermistor 1 (zone thermistor) shorted.E6Thermistor 2 (evaporator thermistor) shorted.E7Thermistor 3 shorted.E8Thermistor 4 shorted (does not apply to this model).E9Door 2 (lower) open.EHConfirmation that Showroom Mode has been exited and normal operation has resumed.LED 2 flashingOpen thermistorLED 2 flashing (CO2075DWR)Open thermistor on CO2075DWRLED dot solidThermistor error in the corresponding drawer (2075DWRWC)No CommUnit lost communication to the display.P1Pump circuit open (does not apply to this model).SHShowroom Mode is active
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