Code decoder
Nor-Lake error codes
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
EA1Nor-Lake LogiTemp Walk-In Alarm Code EA1: External Alarm 1 ActiveEA2Nor-Lake LogiTemp Walk-In Alarm Code EA2: External Alarm 2 ActiveEA3Nor-Lake LogiTemp Walk-In Alarm Code EA3: External Alarm 3 ActiveHHANor-Lake LogiTemp Walk-In Alarm HHA: High Humidity in the BoxHtANor-Lake LogiTemp Walk-In Alarm HtA: High Air TemperatureLHANor-Lake LogiTemp Walk-In Alarm LHA: Low Humidity in the BoxLPANor-Lake LogiTemp Walk-In Alarm LPA: Low PressureLtANor-Lake LogiTemp Walk-In Alarm LtA: Low Air TemperatureEdNor-Lake LogiTemp Walk-In Display Ed: Controller in Intro ModeDorNor-Lake LogiTemp Walk-In Door Alarm dor: Door Open Too LongA1ANor-Lake LogiTemp Walk-In Error Code A1A: AUX1 Sensor Shorted or OpenA2ANor-Lake LogiTemp Walk-In Error Code A2A: AUX2 Sensor Shorted or OpenA3ANor-Lake LogiTemp Walk-In Error Code A3A: AUX3 Sensor Shorted or OpenCHANor-Lake LogiTemp Walk-In Error Code CHA: Humidity Board Link LostCLLNor-Lake LogiTemp Walk-In Error Code CLL: Lead/Lag Communication LostCSANor-Lake LogiTemp Walk-In Error Code CSA: Coil Sensor Shorted or OpenDttNor-Lake LogiTemp Walk-In Error Code dtt: Defrost Ended on TimeEdFNor-Lake LogiTemp Walk-In Error Code EdF: Excess DefrostHDANor-Lake LogiTemp Walk-In Error Code HDA: High Discharge TemperatureHSHNor-Lake LogiTemp Walk-In Error Code HSH: High SuperheatLSHNor-Lake LogiTemp Walk-In Error Code LSH: Low SuperheatPdtNor-Lake LogiTemp Walk-In Error Code Pdt: Pump-Down TimeoutPrfNor-Lake LogiTemp Walk-In Error Code Prf: Process FailurePSANor-Lake LogiTemp Walk-In Error Code PSA: Suction Pressure SensorSCCNor-Lake LogiTemp Walk-In Error Code SCC: Short Compressor CycleSSANor-Lake LogiTemp Walk-In Error Code SSA: Suction Temperature SensorEFLNor-Lake LogiTemp Walk-In Notice EFL: Email Alert Not ConfirmedNTPNor-Lake LogiTemp Walk-In Notice NTP: Time Server Not ReachedASANor-Lake Walk-In Error Code ASA: Return Air Sensor Shorted or OpenCCANor-Lake Walk-In Error Code CCA: Compressor Sequencer Link LostCoANor-Lake Walk-In Error Code CoA: Bonded Controllers Not TalkingDt2Nor-Lake Walk-In Error Code dt2: Display Aux2 Sensor AlarmDt3Nor-Lake Walk-In Error Code dt3: Display Aux3 Sensor AlarmDtHNor-Lake Walk-In Error Code dtH: High Door Temp AlarmDtLNor-Lake Walk-In Error Code dtL: Low Door Temp AlarmDtSNor-Lake Walk-In Error Code dtS: Door Temp Sensor AlarmHCANor-Lake Walk-In Error Code HCA: High Condenser Temp AlarmHd2Nor-Lake Walk-In Error Code Hd2: High Monitor Temp 2 AlarmHd3Nor-Lake Walk-In Error Code Hd3: High Monitor Temp 3 AlarmHSANor-Lake Walk-In Error Code HSA: Humidity Sensor Shorted or OpenLCANor-Lake Walk-In Error Code LCA: Low Condenser Temp AlarmLCTNor-Lake Walk-In Error Code LCT: System LockoutLd2Nor-Lake Walk-In Error Code Ld2: Low Monitor Temp 2 AlarmLd3Nor-Lake Walk-In Error Code Ld3: Low Monitor Temp 3 AlarmPbtNor-Lake Walk-In Error Code Pbt: Panic Button Alarm
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Code not listed, or no code at all?
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