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Alarms displayed Cause Solution
E01
Automatic address setting has not been completed.
Wiring between internal and external unit are cut or not connected
correctly.
Check the connection between the indoor unit and the outdoor unit.
E03 Signal reception error by indoor unit.
E04 Signal reception error by indoor unit.
E06 Problems of communication between external and indoor units.
E07 Problems of communication between external and indoor units.
E15 Power of indoor unit lower than external unit. Check device size and recongure the indoor unit.
E16 Power of external unit lower than indoor unit. Check device size and recongure the indoor unit.
E20 Automatic addressing procedure interrupted.
Check the connection between the indoor unit and the outdoor unit.
E31 Problems of communication between external and indoor units.
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