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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AW-HBV009/007-N11

7SP02H019

Alarm code
Display01
Number of led blinking1
Alarm code meaningIndoor ambient temperature sensor TA disconnected or short circuited
Display02
Number of led blinking2
Alarm code meaningGas temperature sensor TC1 disconnected or short circuited
Display03
Number of led blinking3
Alarm code meaningLiquid temperature sensor TC2 disconnected or short circuit
Display05
Number of led blinking5
Alarm code meaningEEPROM empty or damaged
Display06
Number of led blinking6
Alarm code meaningNo communication between indoor and outdoor unit
Display07
Number of led blinking7
Alarm code meaningNo communication between indoor unit and remote controller
Display08
Number of led blinking8
Alarm code meaningWater flow detector in high position or disconnected
Display09
Number of led blinking9
Alarm code meaningindoor unit address duplicated, wrong SWE dips setting
Display12
Number of led blinking12
Alarm code meaningZero crossing 50Hz protection
Display14
Number of led blinking14
Alarm code meaningNo fan motor feedback on indoor unit board
Display18
Number of led blinking18
Alarm code meaningNo communication with 3 valves box
Display20
Number of led blinking20
Alarm code meaningSee alarm code on outdoor unit
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