Midea Tropical R410A High Efficient Duct Technical Manual 50Hz MCAC-UTSM-201707
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8. Trouble shooting
Outdoor unit’s malfunction and protection codes
Power supply phase sequence error
Lack of Phase A, B of power supply
Lack of Phase C of power supply
Over-current protection of compressor
Pipe temperature sensor (T3) error
Ambient temperature sensor (T4) error
Discharge temperature protection
High temperature of condenser protection
Power supply phase sequence error
Lack of Phase A, B and C of power supply
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