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
HIGH AIR TEMPKolpak Walk-In Cooler Alarm HIGH AIR TEMP: Room Too WarmKolpakHIGH SUPERHEATKolpak Walk-In Cooler Alarm HIGH SUPERHEAT: Above Upper LimitKolpakLOW AIR TEMPKolpak Walk-In Cooler Alarm LOW AIR TEMP: Room Too ColdKolpakLOW SUPERHEATKolpak Walk-In Cooler Alarm LOW SUPERHEAT: Below Lower LimitKolpakPRESSURE SENSORKolpak Walk-In Cooler Alarm PRESSURE SENSOR: Suction Pressure ReadingKolpakSUCTION TEMP SENSORKolpak Walk-In Cooler Alarm SUCTION TEMP SENSOR: Open or ShortedKolpakAUX1 SENSORKolpak Walk-In Cooler Error Code AUX1 SENSOR: Main AUX1 Shorted or OpenKolpakAUX2 SENSORKolpak Walk-In Cooler Error Code AUX2 SENSOR: Main AUX2 Shorted or OpenKolpakAUX3 SENSORKolpak Walk-In Cooler Error Code AUX3 SENSOR: Main AUX3 Shorted or OpenKolpakCOMMUNICATION ERRORKolpak Walk-In Cooler Error Code COMMUNICATION ERROR: Bonded ControllersKolpakCOMP SEQ COMM ERRORKolpak Walk-In Cooler Error Code COMP SEQ COMM ERROR: Sequencer Link LostKolpakDEFR TERM ON TIMEKolpak Walk-In Cooler Error Code DEFR TERM ON TIME: Defrost Ended on TimeKolpakDISP EXTERNAL ALARM 1Kolpak Walk-In Cooler Error Code DISP EXTERNAL ALARM 1: Display AUX1 ActiveKolpakDISP EXTERNAL ALARM 2Kolpak Walk-In Cooler Error Code DISP EXTERNAL ALARM 2: Display AUX2 ActiveKolpakDISP EXTERNAL ALARM 3Kolpak Walk-In Cooler Error Code DISP EXTERNAL ALARM 3: Display AUX3 ActiveKolpakDISPLAY AUX2 SENSORKolpak Walk-In Cooler Error Code DISPLAY AUX2 SENSOR: Display AUX2 Shorted or OpenKolpakDISPLAY AUX3 SENSORKolpak Walk-In Cooler Error Code DISPLAY AUX3 SENSOR: Display AUX3 Shorted or OpenKolpakDOOR OPEN ALARMKolpak Walk-In Cooler Error Code DOOR OPEN ALARM: Door Input OpenKolpakDOOR TEMP HIGHKolpak Walk-In Cooler Error Code DOOR TEMP HIGH: Door Temperature Above LimitKolpakDOOR TEMP LOWKolpak Walk-In Cooler Error Code DOOR TEMP LOW: Door Temperature Below LimitKolpakDOOR TEMP SENSOR ALARMKolpak Walk-In Cooler Error Code DOOR TEMP SENSOR ALARM: Temp 1 Open or ShortedKolpakDOOR TEMP SENSORKolpak Walk-In Cooler Error Code DOOR TEMP SENSOR: Display AUX1 Shorted or OpenKolpakEMAIL FEATUREKolpak Walk-In Cooler Error Code EMAIL FEATURE: Email Alert Not ConfirmedKolpakEXTERNAL ALARM 1, 2, OR 3Kolpak Walk-In Cooler Error Code EXTERNAL ALARM 1, 2, OR 3: Input ActiveKolpakEXTERNAL ALARM 1Kolpak Walk-In Cooler Error Code EXTERNAL ALARM 1: Main AUX1 Input ActiveKolpakEXTERNAL ALARM 2Kolpak Walk-In Cooler Error Code EXTERNAL ALARM 2: Main AUX2 Input ActiveKolpakEXTERNAL ALARM 3Kolpak Walk-In Cooler Error Code EXTERNAL ALARM 3: Main AUX3 Input ActiveKolpakFLASH MEM ERRORKolpak Walk-In Cooler Error Code FLASH MEM ERROR: Internal Controller AlarmKolpakHELP - PANICKolpak Walk-In Cooler Error Code HELP - PANIC: Panic Button PressedKolpakHIGH DOOR TEMP ALARMKolpak Walk-In Cooler Error Code HIGH DOOR TEMP ALARM: Door Above OffsetKolpakHIGH MONITOR TEMP2 ALARMKolpak Walk-In Cooler Error Code HIGH MONITOR TEMP2 ALARM: Temp 2 Above OffsetKolpakHIGH MONITOR TEMP2Kolpak Walk-In Cooler Error Code HIGH MONITOR TEMP2: Monitor2 Above LimitKolpakHIGH MONITOR TEMP3 ALARMKolpak Walk-In Cooler Error Code HIGH MONITOR TEMP3 ALARM: Temp 3 Above OffsetKolpakHIGH MONITOR TEMP3Kolpak Walk-In Cooler Error Code HIGH MONITOR TEMP3: Monitor3 Above LimitKolpakLOW DOOR TEMP ALARMKolpak Walk-In Cooler Error Code LOW DOOR TEMP ALARM: Door Below OffsetKolpakLOW MONITOR TEMP2 ALARMKolpak Walk-In Cooler Error Code LOW MONITOR TEMP2 ALARM: Temp 2 Below OffsetKolpakLOW MONITOR TEMP2Kolpak Walk-In Cooler Error Code LOW MONITOR TEMP2: Monitor2 Below LimitKolpakLOW MONITOR TEMP3 ALARMKolpak Walk-In Cooler Error Code LOW MONITOR TEMP3 ALARM: Temp 3 Below OffsetKolpakLOW MONITOR TEMP3Kolpak Walk-In Cooler Error Code LOW MONITOR TEMP3: Monitor3 Below LimitKolpakLOW PRESSUREKolpak Walk-In Cooler Error Code LOW PRESSURE: Suction Pressure Too LowKolpakMONITOR TEMP2 SENSOR ALARMKolpak Walk-In Cooler Error Code MONITOR TEMP2 SENSOR ALARM: Temp 2 Open or ShortedKolpakMONITOR TEMP3 SENSOR ALARMKolpak Walk-In Cooler Error Code MONITOR TEMP3 SENSOR ALARM: Temp 3 Open or ShortedKolpakPUMPDOWN TIMEOUTKolpak Walk-In Cooler Error Code PUMPDOWN TIMEOUT: LPCO Pump Down Too LongKolpakROOMTEMP2 SENSOR ALARMKolpak Walk-In Cooler Error Code ROOMTEMP2 SENSOR ALARM: Temp 2 Shorted or OpenKolpakROOMTEMP3 SENSOR ALARMKolpak Walk-In Cooler Error Code ROOMTEMP3 SENSOR ALARM: Temp 3 Shorted or OpenKolpakSHORT COMP CYCLEKolpak Walk-In Cooler Error Code SHORT COMP CYCLE: Compressor Starting Too OftenKolpakWATCHDOG ERRORKolpak Walk-In Cooler Error Code WATCHDOG ERROR: Internal Controller AlarmKolpakSF alternating with OPKolpak Walk-In Display SF Alternating with OP: Open SensorKolpakSF alternating with SHKolpak Walk-In Display SF Alternating with SH: Shorted SensorKolpakEEKolpak Walk-In Error Code EE: Program FailureKolpakSafety Limit 1 (Service light flashing)Koolaire Ice Machine Safety Limit 1: Freeze Time Reached 60 MinutesKoolaireSafety Limit 2 (SL#2 light)Koolaire Ice Machine Safety Limit 2: Harvest Reached 3.5 MinutesKoolaireWater Loss (SL#1 and SL#2 flashing)Koolaire Ice Machine Water Loss: SL#1 and SL#2 FlashingKoolaireCoffee Boiler 1 Is Not HeatingLa Marzocco Espresso Machine Error Code: Coffee Boiler 1 Is Not HeatingLa MarzoccoCoffee Boiler 1 OverheatedLa Marzocco Espresso Machine Error Code: Coffee Boiler 1 OverheatedLa MarzoccoCoffee Boiler 1 Probe FailedLa Marzocco Espresso Machine Error Code: Coffee Boiler 1 Probe FailedLa MarzoccoFlow Meter 1 No PulseLa Marzocco Espresso Machine Error Code: Flow Meter 1 No PulseLa MarzoccoSteam Boiler Autofill FailedLa Marzocco Espresso Machine Error Code: Steam Boiler Autofill FailedLa MarzoccoSteam Boiler Is Not HeatingLa Marzocco Espresso Machine Error Code: Steam Boiler Is Not HeatingLa MarzoccoSteam Boiler OverheatedLa Marzocco Espresso Machine Error Code: Steam Boiler OverheatedLa Marzocco
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Code not listed, or no code at all?
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