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U-Line Refrigerator Error Codes
53 error codes for U-Line refrigerator models. Each links to the full diagnostic procedure from the service manual.
CodeDescription
1 FlashOverflow protection circuit is open (only on P-60 pump equipped units) on…2 FlashesOpen thermistor or out of range (too warm) problem on CLR2060 new control board.3 FlashesUnit has both overflow protection circuit open AND open/out-of-range thermistor…Amb Thrm OpenAmbient thermistor circuit is open.Amb Thrm ShortAmbient thermistor circuit is shorted.Door Open 5MDoor switch has been open for more than 5 minutes.drDoor has been left open for more than 5 minutes.E0Door 1 (upper) open.E1The unit is displaying an error code indicating a fault condition.E10Top drawer has been left open for longer than 20 minutesE11EE Memory error.E2The unit is displaying an error code indicating a fault condition.E3Main door or bottom drawer has been left open for longer than 20 minutesE4Compressor had 100% runtime between two defrost cyclesE5Thermistor 1 out of range +10°F above set-point for more than 12 hours.E6Thermistor 1 out of range -10°F for more than 12 hours, indicating the…E7The unit is displaying an error code indicating a fault condition.E8Thermistor 3 open or shortedE9Thermistor 4 open or shortedERThe unit is displaying a general error code.MyPros+ Max
Get the full diagnostic procedure for any U-Line refrigerator error code.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts
- Verified part numbers when replacement is required
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Evap T OpenEvaporator thermistor circuit is open.Evap T ShortEvaporator thermistor circuit is shorted.L Door Open 5MLeft door switch has been open for more than 5 minutes.L Evap T OpenLeft evaporator thermistor circuit is open.L Evap T ShortLeft evaporator thermistor circuit is shorted.L Temp Hi 12H+Left Zone temperature is +10° over set point for over 12 hours.L Temp Hi 6H+Left Zone temperature is +10° over set point for over 6 hours.L Temp Lo 12H+Left Zone temperature is -10° under set point for over 12 hours.L Temp Lo 6H+Left Zone temperature is -10° under set point for over 6 hours.L Zone T OpenLeft Zone thermistor circuit is open.L Zone T ShortLeft Zone thermistor circuit is shorted.LED 2 flashingOpen thermistor detectedLED 3 flashingDrain pump has been blocked or pump is overloadedNo CommUnit lost communication between the main control board and the display.P1Pump circuit is detecting a drain problem, or pump circuit open due to high…R Door Open 5MRight door switch has been open for more than 5 minutes.R Evap T OpenRight evaporator thermistor circuit is open.R Evap T ShortRight evaporator thermistor circuit is shorted.R Temp Hi 12H+Right Zone temperature is +10° over set point for over 12 hours.R Temp Hi 6H+Right Zone temperature is +10° over set point for over 6 hours.R Temp Lo 12H+Right Zone temperature is -10° under set point for over 12 hours.R Temp Lo 6H+Right Zone temperature is -10° under set point for over 6 hours.R Zone T OpenRight Zone thermistor circuit is open.R Zone T ShortRight Zone thermistor circuit is shorted.Rapid FlashControl board is receiving a high heat signal from thermistorSlow FlashControl board has detected a sensor problemSteady LEDControl board has power and operation is normal on CLR2060.Temp Hi 12H+Zone temperature is more than 10°F over set point for over 12 hours.Temp Hi 6H+Zone temperature is more than 10°F over set point for over 6 hours.Temp Lo 12H+Zone temperature is more than 10°F under set point for over 12 hours.Temp Lo 6H+Zone temperature is more than 10°F under set point for over 6 hours.Zone T OpenZone thermistor circuit is open.Zone T ShortZone thermistor circuit is shorted.