This site is aimed at professional installers and service technicians, and gives you easy access to alarm codes and technical data sheets for Airwell products.

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HDLE-022N-09M25

7SP023270

Technical data
Alarm code
DisplayC5
Alarm code meaningCapacity not set or missing jumper on indoor board
DisplayE1
Alarm code meaningHigh Pressure cut off
DisplayE2
Alarm code meaningAnti freeze protection
DisplayE3
Alarm code meaningLow pressure protection, lack of refrigerant
DisplayE4
Alarm code meaningDischarge temperature too high
DisplayE5
Alarm code meaningOver current protection
DisplayE6
Alarm code meaningCommunication problem
DisplayE8
Alarm code meaningHigh temperature résistant protection
DisplayE9
Alarm code meaningCold air prevention proctection
DisplayEE
Alarm code meaningEEPROM empty or damaged
DisplayEU
Alarm code meaningLimit / decrease frequency due to high temperature of module
DisplayF0
Alarm code meaningRefrigerant circuit problem
DisplayF1
Alarm code meaningIndoor ambiant temperature sensor disconnected or short circuited
DisplayF2
Alarm code meaningIndoor exchanger temperature sensor disconnected or short circuited
DisplayF3
Alarm code meaningOutdoor ambiant temperature sensor disconnected or short circuited
DisplayF4
Alarm code meaningOutdoor exchanger temperature sensor disconnected or short circuited
DisplayF5
Alarm code meaningDischarge temperature sensor disconnected or short circuited
DisplayF6
Alarm code meaningReduction of compressor frequency due to an overload
DisplayF8
Alarm code meaningReduction of frequency due to overcurrent
DisplayF9
Alarm code meaningDecrease in frequency due to excessively high supply air temperature
DisplayFH
Alarm code meaningAnti freeze protection
DisplayFo
Alarm code meaningRefrigerant circuit problem
DisplayH3
Alarm code meaningCompressor overload protection
DisplayH6
Alarm code meaningNo fan motor feedback on indoor unit board
DisplayH7
Alarm code meaningCompressor desynchronisation
DisplayHC
Alarm code meaningInverter module protection
DisplayJF
Alarm code meaningNo wifi detected
DisplayL3
Alarm code meaningDC outdoor fan motor protection
DisplayL9
Alarm code meaningCapacity protection
DisplayLC
Alarm code meaningFaulty start up
DisplayLP
Alarm code meaningIndoor and outdoor unit not compatible
DisplayoE
Alarm code meaningUndefined outdoor unit error
DisplayP0
Alarm code meaningCompressor minimum frequency test
DisplayP1
Alarm code meaningCompressor nominal frequency test
DisplayP2
Alarm code meaningCompressor minimum frequency test
DisplayP3
Alarm code meaningIntermediate compressor frequency test
DisplayP5
Alarm code meaningOvercurrent protection on compressor phases
DisplayP7
Alarm code meaningPCB temperature sensor disconnected or short circuited
DisplayP8
Alarm code meaningHeat Sink module over heating (power board)
DisplayPH
Alarm code meaningDC communication bus too high
DisplayPL
Alarm code meaningDC communication bus too low
DisplayPU
Alarm code meaningFaulty capacitors charging
DisplayU1
Alarm code meaningCompressor phase problem
DisplayU3
Alarm code meaningVoltage drop on communication bus
DisplayU5
Alarm code meaningAlternating current (AC) detection problem
DisplayU7
Alarm code meaningReversing valve blocked
DisplayU8
Alarm code meaningZero crossing protection on indoor unit