Midea MSH-07CRN1, MSH-07HRN1, MSH-09CRN1, MSH-09HRN1, MSH-12CRN1, MSH-12HRN1 Manual page 158

7. Troubleshooting
7.1 Indoor unit
LED status
Operation indicator, time indicator, Defrosting (fan
indicator, for cooling only type)indicator flicker at 5Hz
Time indicator flickers at 5Hz
Operation indicator flickers at 5Hz
Defrosting indicator flickers at 5Hz
Operation indicator, time indicator, indicator flicker at
5Hz
Defrosting indicator, auto indicator, indicator flicker at
5Hz
Auto indicator, indicator flicker at 5Hz
7.2 Outdoor unit
LED status( the times after 2 seconds interval )
5 times
4 times
3 times
2 times
1 time
On
Four times Current protection (PRCUR1) 5Hz
the room temperature sensor o is open or short
the evaporator temperature sensor is open or short
the condenser temperature sensor is open or short
EEPROM error
Outdoor unit protects(Outdoor temp, sensor ,phase order etc)
Communication error
Communication error
Phase order protection
Pressure protection
The condenser temperature sensor is open or short
Indoor unit abnormal
Working status
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