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
TOP/BTM BREW MOTOR OPENNewco Coffee Brewer Error Code TOP/BTM BREW MOTOR OPENNewcoTHERMISTOR ERRORNewco Little Joe Error Code THERMISTOR ERROR: Sensor Alert During BrewNewcoEA1Nor-Lake LogiTemp Walk-In Alarm Code EA1: External Alarm 1 ActiveNor-LakeEA2Nor-Lake LogiTemp Walk-In Alarm Code EA2: External Alarm 2 ActiveNor-LakeEA3Nor-Lake LogiTemp Walk-In Alarm Code EA3: External Alarm 3 ActiveNor-LakeHHANor-Lake LogiTemp Walk-In Alarm HHA: High Humidity in the BoxNor-LakeHtANor-Lake LogiTemp Walk-In Alarm HtA: High Air TemperatureNor-LakeLHANor-Lake LogiTemp Walk-In Alarm LHA: Low Humidity in the BoxNor-LakeLPANor-Lake LogiTemp Walk-In Alarm LPA: Low PressureNor-LakeLtANor-Lake LogiTemp Walk-In Alarm LtA: Low Air TemperatureNor-LakeEdNor-Lake LogiTemp Walk-In Display Ed: Controller in Intro ModeNor-LakeDorNor-Lake LogiTemp Walk-In Door Alarm dor: Door Open Too LongNor-LakeA1ANor-Lake LogiTemp Walk-In Error Code A1A: AUX1 Sensor Shorted or OpenNor-LakeA2ANor-Lake LogiTemp Walk-In Error Code A2A: AUX2 Sensor Shorted or OpenNor-LakeA3ANor-Lake LogiTemp Walk-In Error Code A3A: AUX3 Sensor Shorted or OpenNor-LakeCHANor-Lake LogiTemp Walk-In Error Code CHA: Humidity Board Link LostNor-LakeCLLNor-Lake LogiTemp Walk-In Error Code CLL: Lead/Lag Communication LostNor-LakeCSANor-Lake LogiTemp Walk-In Error Code CSA: Coil Sensor Shorted or OpenNor-LakeDttNor-Lake LogiTemp Walk-In Error Code dtt: Defrost Ended on TimeNor-LakeEdFNor-Lake LogiTemp Walk-In Error Code EdF: Excess DefrostNor-LakeHDANor-Lake LogiTemp Walk-In Error Code HDA: High Discharge TemperatureNor-LakeHSHNor-Lake LogiTemp Walk-In Error Code HSH: High SuperheatNor-LakeLSHNor-Lake LogiTemp Walk-In Error Code LSH: Low SuperheatNor-LakePdtNor-Lake LogiTemp Walk-In Error Code Pdt: Pump-Down TimeoutNor-LakePrfNor-Lake LogiTemp Walk-In Error Code Prf: Process FailureNor-LakePSANor-Lake LogiTemp Walk-In Error Code PSA: Suction Pressure SensorNor-LakeSCCNor-Lake LogiTemp Walk-In Error Code SCC: Short Compressor CycleNor-LakeSSANor-Lake LogiTemp Walk-In Error Code SSA: Suction Temperature SensorNor-LakeEFLNor-Lake LogiTemp Walk-In Notice EFL: Email Alert Not ConfirmedNor-LakeNTPNor-Lake LogiTemp Walk-In Notice NTP: Time Server Not ReachedNor-LakeASANor-Lake Walk-In Error Code ASA: Return Air Sensor Shorted or OpenNor-LakeCCANor-Lake Walk-In Error Code CCA: Compressor Sequencer Link LostNor-LakeCoANor-Lake Walk-In Error Code CoA: Bonded Controllers Not TalkingNor-LakeDt2Nor-Lake Walk-In Error Code dt2: Display Aux2 Sensor AlarmNor-LakeDt3Nor-Lake Walk-In Error Code dt3: Display Aux3 Sensor AlarmNor-LakeDtHNor-Lake Walk-In Error Code dtH: High Door Temp AlarmNor-LakeDtLNor-Lake Walk-In Error Code dtL: Low Door Temp AlarmNor-LakeDtSNor-Lake Walk-In Error Code dtS: Door Temp Sensor AlarmNor-LakeHCANor-Lake Walk-In Error Code HCA: High Condenser Temp AlarmNor-LakeHd2Nor-Lake Walk-In Error Code Hd2: High Monitor Temp 2 AlarmNor-LakeHd3Nor-Lake Walk-In Error Code Hd3: High Monitor Temp 3 AlarmNor-LakeHSANor-Lake Walk-In Error Code HSA: Humidity Sensor Shorted or OpenNor-LakeLCANor-Lake Walk-In Error Code LCA: Low Condenser Temp AlarmNor-LakeLCTNor-Lake Walk-In Error Code LCT: System LockoutNor-LakeLd2Nor-Lake Walk-In Error Code Ld2: Low Monitor Temp 2 AlarmNor-LakeLd3Nor-Lake Walk-In Error Code Ld3: Low Monitor Temp 3 AlarmNor-LakePbtNor-Lake Walk-In Error Code Pbt: Panic Button AlarmNor-LakeBoiler over 130 CNuova Simonelli Aurelia II Message Boiler over 130 CNuova SimonelliCOARSE GRINDINGNuova Simonelli Aurelia II Message COARSE GRINDING: Shots Running FastNuova SimonelliDELIVERY ERRORNuova Simonelli Aurelia II Message DELIVERY ERROR: No Doser SignalNuova SimonelliDIAGNOSIS OF ERRORNuova Simonelli Aurelia II Message DIAGNOSIS OF ERROR: Memory ChipNuova SimonelliDOSER ERRORNuova Simonelli Aurelia II Message DOSER ERROR: No Doser PulsesNuova SimonelliFINE GRINDINGNuova Simonelli Aurelia II Message FINE GRINDING: Shots Running SlowNuova SimonelliLEVEL ERRORNuova Simonelli Espresso Machine Error LEVEL ERROR: Boiler Water LevelNuova SimonelliOVERCURRENT ERR.Nuova Simonelli Espresso Machine OVERCURRENT ERR.: Electrical LoadNuova SimonelliCHECK FANS indicator lightOvention Oven CHECK FANS Indicator LightOventionOven not heating (no display code); related indicator: CHECK FANSOvention Oven Not Heating: Temperature High Limit SwitchOventionAlarm on / audible alarmPerlick Bar Refrigerator Alarm On: What the Audible Alarm MeansPerlickAH1 (flashing)Perlick Bar Refrigerator Error Code AH1: High Temperature AlarmPerlickAL1 (flashing)Perlick Bar Refrigerator Error Code AL1: Low Temperature AlarmPerlick
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Code not listed, or no code at all?
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