Midea MSMBA-07HRN1 - 10 Troubleshooting; Indoor Unit Error Display

DM16-01.01.21en Mission On-off
Service manual 43
10. Troubleshooting
10.1 Indoor Unit Error Display
Operation lamp Timer lamp Display LED STATUS
☆ 1 time
X E1 EEPROM parameter error
☆ 2 times
X E2 Zero-crossing signal detection error
☆ 3 times
X E3 Indoor fan speed has been out of control
☆ 5 times
X E5
Indoor room temperature sensor T1 open circuit or
short circuit
☆ 6 times
X E6
Evaporator coil temperature sensor T2 open circuit or
short circuit
☆ 7 times
X E7
Condenser coil temperature sensor T3 or T4 open
circuit or short circuit(only for
MSMBD-24HRN1-QB8W)
☆ 2 times
O EC Refrigerant Leakage Detection
☆ 9 times
X E9
Indoor / outdoor units communication error(only for
MSMBD-24HRN1-QB8W)
O（light） X（off） ☆（flash）