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7.3.3 Outdoor unit error display
Outdoor unit EEPROM parameter error
Communication malfunction between indoor and outdoor units
Communication malfunction between IPM board and outdoor main control
board
Outdoor temperature sensor (coil sensor T3,ambient sensor T4, Compressor
discharge sensor T5、indoor coil outlet pipe sensor T2B) malfunction
Over-voltage or under-voltage protection
Outdoor fan speed malfunction
No. A Indoor unit coil outlet temp. sensor malfunction
No. B Indoor unit coil outlet temp. sensor malfunction
No. C Indoor unit coil outlet temp. sensor malfunction
No. D Indoor unit coil outlet temp. sensor malfunction
No. E Indoor unit coil outlet temp. sensor malfunction
No. F Indoor unit coil outlet temp. sensor malfunction
High temperature protection of compressor top
Current overload protection
Temperature protection of compressor discharge
Condenser high temperature protection
Inverter module (IPM) malfunction
Low ambient temperature protection