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-YCZ327-H11

7SP091186

Alarm code
DisplayE0
Alarm code meaningEEPROM empty or damaged
DisplayE2
Alarm code meaningNo communication between indoor and outdoor unit
DisplayE3
Alarm code meaningNo communication with inverter control board
DisplayE4
Alarm code meaningTemperature sensor (T3, T4, T5, T2b) disconnected or short circuited
DisplayE5
Alarm code meaningAbnormal voltage too low or too high
DisplayE6
Alarm code meaningInverter module protection
DisplayE8
Alarm code meaningOutdoor fan motor feeback out of range
DisplayE9
Alarm code meaningBad wiring of indoor unit 24k
DisplayF1
Alarm code meaningOutlet exchanger A temperature sensor disconnected or short circuited
DisplayF2
Alarm code meaningOutlet exchanger B temperature sensor disconnected or short circuited
DisplayF3
Alarm code meaningOutlet exchanger C temperature sensor disconnected or short circuited
DisplayF4
Alarm code meaningOutlet exchanger D temperature sensor disconnected or short circuited
DisplayF5
Alarm code meaningOutlet exchanger E temperature sensor disconnected or short circuited
DisplayLP
Alarm code meaningOutdoor ambiant temperature too low protection
DisplayP1
Alarm code meaningHigh pressure cut off (case installation multisplits 4 and 5 indoors)
DisplayP2
Alarm code meaningLow pressure cut off (case installation multisplits 4 and 5 indoors)
DisplayP3
Alarm code meaningCompressor over current
DisplayP4
Alarm code meaningDischarge temperature protection
DisplayP5
Alarm code meaningHigh condenser temperature protection
DisplayP6
Alarm code meaningIPM protection
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