Troubleshooting; Indoor Unit Error Display; Diagnosis And Solution - Midea MSC-09HRDN1-QD0(E) Service Manual

10. Troubleshooting

10.1 Indoor Unit Error Display

Display
E0
E1
E2
E3
E5
E6
P0
P1
P2
P4
Note: E4 & P3: Reserved function

10.2 Diagnosis and Solution

10.2.1 E0(EEPROM parameter error) error diagnosis and solution
Circuit or software error on indoor PCB
10.2.2 E1(indoor / outdoor units communication protection) error diagnosis and solution
EEPROM parameter error
Indoor / outdoor units communication protection
Zero-crossing signal error
Fan speed out of control
Open or short circuit of outdoor temperature sensor
Open or short circuit of room or evaporator temperature sensor
IGBT over-strong current protection
Over voltage or too low voltage protection
Temperature protection of compressor top.
Inverter compressor drive error
LED STATUS
Replace indoor PCB
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