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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AWAU-YMD012-H11

7SP062970

Alarm code
DisplayE0
Number of led blinking1
LED TimerOFF
Alarm code meaningindoor unit EEPROM empty or damaged
DisplayE1
Number of led blinking2
LED TimerOFF
Alarm code meaningNo communication between indoor and outdoor unit
DisplayE3
Number of led blinking4
LED TimerOFF
Alarm code meaningNo fan motor feedback on indoor unit board
DisplayE4
Number of led blinking5
LED TimerOFF
Alarm code meaningIndoor ambiant temperature sensor T1 disconnected or short circuited
DisplayE5
Number of led blinking6
LED TimerOFF
Alarm code meaningIndoor exchanger temperature sensor T2 disconnected or short circuited
DisplayE8
Number of led blinking9
LED TimerOFF
Alarm code meaningNo communication between master and slave indoor unit (case twin)
DisplayE9
Number of led blinking10
LED TimerOFF
Alarm code meaningOther problem linked to twin system
DisplayEC
Number of led blinking7
LED TimerOFF
Alarm code meaningRefrigerant circuit problem (cooling mode only)
DisplayEC 07
Number of led blinking12
LED TimerOFF
Alarm code meaningNo fan motor feedback on outdoor unit board (DC fan motor only)
DisplayEC 0d
Number of led blinking14
LED TimerOFF
Alarm code meaningSee alarm code on outdoor unit
DisplayEC 50
Alarm code meaningTemperature sensor (T3, T4, TP) disconnected or short circuited
DisplayEC 51
Number of led blinking5
LED TimerON
Alarm code meaningEEPROM empty or damaged
DisplayEC 52
Number of led blinking5
LED TimerOFF
Alarm code meaningOutdoor exchanger temperature sensor T3 disconnected or short circuited
DisplayEC 53
Number of led blinking5
LED TimerOFF
Alarm code meaningOutdoor ambiant temperature sensor T4 disconnected or short circuited
DisplayEC 54
Number of led blinking5
LED TimerOFF
Alarm code meaningDischarge temperature sensor Tp disconnected or short circuited
DisplayEC 56
Number of led blinking5
LED TimerOFF
Alarm code meaningIndoor exchanger temperature sensor T2B disconnected or short circuited (case multisplit installation)
DisplayEC 71
Alarm code meaningDC fan motor of outdoor unit overcurrent
DisplayEC 72
Alarm code meaningMissing phase on fan motor
DisplayEE
Number of led blinking8
LED TimerOFF
Alarm code meaningWater flow detector in high position or disconnected
DisplayEH 00
Number of led blinking1
LED TimerOFF
Alarm code meaningEEPROM empty or damaged
DisplayEH 03
Number of led blinking4
LED TimerOFF
Alarm code meaningFaulty indoor fan motor
DisplayEH 0A
Number of led blinking1
LED TimerOFF
Alarm code meaningEEPROM empty or damaged
DisplayEH 0E
Number of led blinking13
LED TimerOFF
Alarm code meaningWater flow detector in high position or disconnected
DisplayEH 60
Number of led blinking6
LED TimerOFF
Alarm code meaningIndoor ambiant temperature sensor T1 disconnected or short circuited
DisplayEH 61
Number of led blinking6
LED TimerOFF
Alarm code meaningIndoor exchanger temperature sensor T2 disconnected or short circuited
DisplayEH Ob
Number of led blinkingE0
LED TimerOFF
Alarm code meaningNo communication between indoor unit and display board
DisplayEL 01
Number of led blinking2
LED TimerOFF
Alarm code meaningNo communication between indoor and outdoor unit
DisplayEL 0C
Number of led blinking8
LED TimerOFF
Alarm code meaningRefrigerant circuit problem (cooling mode only)
DisplayF0
Number of led blinking7
LED TimerON
Alarm code meaningOvercurrent protection (for certain outdoor units)
DisplayF1
Number of led blinking2
LED TimerON
Alarm code meaningOutdoor exchanger temperature sensor T3 disconnected or short circuited
DisplayF2
Number of led blinking3
LED TimerON
Alarm code meaningOutdoor ambiant temperature sensor T4 disconnected or short circuited
DisplayF3
Number of led blinking4
LED TimerON
Alarm code meaningDischarge temperature sensor T5 disconnected or short circuited
DisplayF4
Number of led blinking5
LED TimerON
Alarm code meaningOutdoor unit EEPROM empty or damaged
DisplayF5
Number of led blinking6
LED TimerON
Alarm code meaningNo fan motor feedback on indoor unit board
DisplayF6
Number of led blinking7
LED TimerON
Alarm code meaningOutdoor exchanger temperature sensor T2B disconnected or short circuited
DisplayP0
Number of led blinking1
LED TimerFLASH
Alarm code meaningCompressor IPM problem
DisplayP1
Number of led blinking2
LED TimerFLASH
Alarm code meaningOvervoltage or undervoltage protection
DisplayP3
Number of led blinking4
LED TimerFLASH
Alarm code meaningAmbiant temperature sensor too low disconnected or short circuited
DisplayP4
Number of led blinking5
LED TimerFLASH
Alarm code meaningLoss of compressor synchronicity protection
DisplayP5
Number of led blinking1
LED TimerON
Alarm code meaningOperating mode conflit (multisplit installation)
DisplayP6
Number of led blinking7
LED TimerFLASH
Alarm code meaningLow pressure protection
DisplayPC 00
Number of led blinking7
LED TimerFLASH
Alarm code meaningPower board (IPM) or protection again high current
DisplayPC 01
Number of led blinking2
LED TimerFLASH
Alarm code meaningProtection against overvoltage or low voltage
DisplayPC 02
Number of led blinking3
LED TimerFLASH
Alarm code meaningHigh temperature protection on power board or compressor
DisplayPC 03
Number of led blinking7
LED TimerFLASH
Alarm code meaningHigh or low pressure protection
DisplayPC 04
Number of led blinking5
LED TimerFLASH
Alarm code meaningCompressor IPM problem
DisplayPC 06
Alarm code meaningcompressor discharge temperature too high protection
DisplayPC 08
Alarm code meaningOutdoor unit overcurrent protection
DisplayPC 0A
Alarm code meaningToo high condenser temperature protection
DisplayPC 0F
Alarm code meaningPFC module protection
DisplayPC 10
Alarm code meaningAC voltage too low protection
DisplayPC 11
Alarm code meaningDC voltage too high on main board protection
DisplayPC 12
Alarm code meaningDC voltage too high on main board protection
DisplayPC 30
Alarm code meaningHigh pressure protection
DisplayPC 31
Alarm code meaningLow pressure protection
DisplayPC 40
Alarm code meaningNo communication between main and inverter board
DisplayPC 43
Alarm code meaningMissing phase on compressor
DisplayPC 44
Alarm code meaningZero crossing protection
DisplayPC 45
Alarm code meaningDriver Chip damaged
DisplayPC 46
Alarm code meaningCompressor out of control
DisplayPC 49
Alarm code meaningCompressor over current
DisplayPC OL
Alarm code meaningOutdoor low temperature protectio
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