Midea MSE-12HRIN2 - 13 Troubleshooting; Indoor Unit Error Display

Service manual
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13. Troubleshooting
13.1 Indoor Unit Error Display
Display LED STATUS
E0 EEPROM error
E1 Indoor / outdoor units communication protection
E2 Zero-crossing examination error
E3 Fan speed beyond control
E5 Open or short circuit of outdoor temperature sensor
E6 Room temperature or evaporator temperature sensor open or short circuit of
P0 Module protection
P1 Over voltage or too low voltage protection
P2 Compressor top protection against temperature
P3 Outdoor low temp. protection
P4 Inverter compressor drive error
Note: E4: Reserved function
13.1.1
Display LED STATUS
E0 EEPROM parameter error
13.1.2 circuit or software error on indoor cortrol board
Display LED STATUS
E1 Indoor / outdoor units communication protection
Replace the control board of indoor
Circuit or software error on indoor control board