Code decoder
Error codes by maker
Pick the maker and the equipment, or type the code. Each page says what the code means on that control, what is safe to check and when to stop.
- Codes
- 2,442
- Makers with codes
- 98
- Updated
- November 2026
E3U-Line Bar Refrigerator Error Code E3: Door Open Over 20 MinutesU-LineE8U-Line Bar Refrigerator Error Code E8: Thermistor 4 ShortedU-LineE9 (Class Series)U-Line Bar Refrigerator Error Code E9: Lower Door OpenU-LineE1-E4 (Class/1000/2000 beverage)U-Line Bar Refrigerator Error Codes E1 to E4: Open ThermistorU-LineE5, E6, E7 (and E8)U-Line Bar Refrigerator Error Codes E5 to E8: Shorted ThermistorU-LineFlashing degree symbol / snaking charactersU-Line Bar Refrigerator Flashing Degree Symbol: Showroom ModeU-LineDONEUltrafryer Commercial Fryer Error Code DONE: Cook Cycle CompletedUltrafryerFILLUltrafryer Commercial Fryer Error Code FILL: Refill the Vat With OilUltrafryerLOUltrafryer Commercial Fryer Error Code LO: Vat Temperature Too LowUltrafryerFILTER promptUltrafryer Commercial Fryer FILTER Prompt: Time to Filter the OilUltrafryerOver-temperature alarmUltrafryer Commercial Fryer Over-Temperature Alarm: Vat Too HotUltrafryerPROBEUltrafryer Commercial Fryer PROBE Error: Temperature Probe CircuitUltrafryerAF (flashing)UniMac Commercial Dryer Error Code AF Flashing: Airflow UnsteadyUniMacAF-1UniMac Commercial Dryer Error Code AF-1: Airflow Switch Closed EarlyUniMacAF-2UniMac Commercial Dryer Error Code AF-2: No Airflow ProvenUniMacOPUniMac Commercial Dryer Error Code OP: Open ThermistorUniMacSHUniMac Commercial Dryer Error Code SH: Shorted ThermistorUniMacDOORUniMac Commercial Washer Error Code DOOR: Door Opened During CycleUniMacE bELtUniMac Commercial Washer Error Code E bELt: Broken BeltUniMacE bSUniMac Commercial Washer Error Code E bS: I/O Board ShortUniMacE CoUniMac Commercial Washer Error Code E Co: SCI Link LostUniMacE d 01UniMac Commercial Washer Error Code E d 01: Drive Setup Values WrongUniMacE d 21UniMac Commercial Washer Error Code E d 21: Over Voltage DC BusUniMacE d 22UniMac Commercial Washer Error Code E d 22: Over Motor TemperatureUniMacE d 23UniMac Commercial Washer Error Code E d 23: IPM Over Current ShuntUniMacE d 24UniMac Commercial Washer Error Code E d 24: I2T Over CurrentUniMacE d 25UniMac Commercial Washer Error Code E d 25: IPM Over TemperatureUniMacE d 29UniMac Commercial Washer Error Code E d 29: Motor Not ConnectedUniMacE d 31UniMac Commercial Washer Error Code E d 31: Overload Current DetectedUniMacE d 32UniMac Commercial Washer Error Code E d 32: Back EMF ErrorUniMacE d 33UniMac Commercial Washer Error Code E d 33: Start-Up FailureUniMacE d 34UniMac Commercial Washer Error Code E d 34: Locked RotorUniMacE d 44UniMac Commercial Washer Error Code E d 44: Shunt Detection HardwareUniMacE d 51UniMac Commercial Washer Error Code E d 51: Inrush Pin HardwareUniMacE d 63UniMac Commercial Washer Error Code E d 63: IPM Sensor ShortedUniMacE d 64UniMac Commercial Washer Error Code E d 64: IPM Sensor OpenUniMacE d 65UniMac Commercial Washer Error Code E d 65: Inverter Signal FailureUniMacE d 66UniMac Commercial Washer Error Code E d 66: DC Bus Read FailureUniMacE d 67UniMac Commercial Washer Error Code E d 67: Motor Initialization ErrorUniMacE d CoUniMac Commercial Washer Error Code E d Co: Drive Link LostUniMacE dbUniMac Commercial Washer Error Code E db: Drive Balance SwitchUniMacE dLUniMac Commercial Washer Error Code E dL: Door Lock TimingUniMacE doUniMac Commercial Washer Error Code E do: Door Opened While LockedUniMacE drUniMac Commercial Washer Error Code E dr: Drain AlarmUniMacE FLUniMac Commercial Washer Error Code E FL: Fill TimeoutUniMacE FSUniMac Commercial Washer Error Code E FS: Frame Balance SwitchUniMacE HtUniMac Commercial Washer Error Code E Ht: Heat TimeoutUniMacE LdUniMac Commercial Washer Error Code E Ld: Level Drop LeakUniMacE LFUniMac Commercial Washer Error Code E LF: Fill Valve LeakUniMacEMTYUniMac Commercial Washer Error Code EMTY: Did Not Drain in TimeUniMacFILLUniMac Commercial Washer Error Code FILL: Did Not Fill in TimeUniMacMEUniMac Commercial Washer Error Code ME: Cycle Information ProblemUniMacOVERHTUniMac Commercial Washer Error Code OVERHT: Temperature Input ProblemUniMacTEMPUniMac Commercial Washer Error Code TEMP: Over-Temperature AlarmUniMacWATERUniMac Commercial Washer Error Code WATER: Water Still in MachineUniMacDoorUniMac Commercial Washer Message door: Door Not ClosedUniMacDoor Lock ErrorUniMac Industrial Washer Door Lock Error: Door Not LockedUniMacDoor Open ErrorUniMac Industrial Washer Door Open Error: Door Open in CycleUniMacDrain Alarm ErrorUniMac Industrial Washer Drain Alarm Error: Drain Took Too LongUniMacDrive Fault ErrorUniMac Industrial Washer Drive Fault Error: VFD Input OpenUniMac
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Code not listed, or no code at all?
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