Midea MSH-07CRN1, MSH-07HRN1, MSH-09CRN1, MSH-09HRN1, MSH-12CRN1, MSH-12HRN1 Manual page 301

11.1.3
Display
E2
Is power supply right?
Is connector connection good?
Indoor PCB is defective
11.1.4
Display
E3
Is connector connection good?
Is voltage being applied to the fan motor?
(rang 90v-160v between mid pin and N on CN2
Indoor fan motor is defective
11.1.5
Display
E5
Is connection to connector good?
Replace the sensor
Zero-crossing examination error
Yes
Yes
Fan speed beyond control
Yes
Yes
Open or short circuit of outdoor temperature sensor
yes
LED STATUS
LED STATUS
No
No
Indoor PCB is defective
LED STATUS
No
Repair connector
300
Repair the connector