Troubleshooting
2.3 Outdoor unit malfunction
Display Malfunction or Protection
E0 Outdoor EEPROM malfunction
E2
Indoor / outdoor units communication error
E3
Communication malfunction between IPM board and outdoor main board
E4 Open or short circuit of outdoor temperature sensor
E5 Voltage protection of compressor
P0 Top temperature protection of compressor
P1 High pressure protection(Only for 36K~52K)
P2 Low pressure protection(Only for 36K,~52K)
P3 Current protection of compressor
P4 Discharge temperature protection of compressor
P5 High temperature protection of condenser
P6 IPM module protection
P7 High temperature protection of evaporator
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