Midea MS9A-05CR-QD0

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9. Troubleshooting
9.1 Indoor unit error display
For MS9A-18CR-QB8, MS9A-18CR-QC2, MS9A-18CR-QC0(A),MS9A-18CR-PC4W(A),
MS9A-18CR-QC4(A), MS9A-22CR-QB8, MS9A-22CR-QC0 models:
Display LED STATUS
E1 EEPROM error
E2 Zero crossing signal detection error
E3 Indoor fan speed has been out of control
E5 Open circuit or short circuit of room temperature sensor
E6 Evaporator temperature sensor open circuit or short circuit
For MS9A-05CR-QD0, MS9A-09CR-QB6(A), MS9A-09CR-QB6
Display LED STATUS
E1 EEPROM error
E2 Zero crossing signal detection error
E3 Indoor fan speed has been out of control
E4 Over current protection occurs 4 times
E5 Open circuit or short circuit of room temperature sensor
E6 Evaporator temperature sensor open circuit or short circuit
For MS9A-21HR-QB6W and MA9A-24HR-QB4W models:
Display LED STATUS
E1 EEPROM error
E4 Over current protection occurs 4 times
E5 Indoor room temperature sensor open circuit or short circuit
E6 Evaporator coil temperature sensor open circuit or short circuit
E7 Condenser coil temperature sensor open circuit or short circuit
E9 Indoor / outdoor units communication error