Midea Mini C Series Service Manual page 60

2.9 E.9.: Compressor parameters mismatch (For all modes)
2.9.1 Digital display output
E.9.
2.9.2 Description
 Main control chip detect the power setting number mismatch the model, the unit will display E.9. error.
 The system stops running.
 Error code displayed on the outdoor unit PCB.
2.9.3 Trigger / recover condition
 Trigger condition: Main control chip detect the power setting number mismatch the model.
 Recover condition: Main control chip detect the power setting number match the model.
 Reset method: Manually restart.
2.9.4 Possible causes
 Power number setting mistake.
 Damaged main PCB.
2.9.5 Procedure
Confirm whether the power setting number is
corresponding with the outdoor unit
Replaced outdoor main control board
Notes:
1. Power setting switch is only for 100-160 model, 80 model don't need to setting
Power setting switch for 100/120 mode is S3, S3=100 is corresponding to 100 model and S3=010 is corresponding to 120 model.
Power setting switch for 140/160 mode is ENC2, ENC2=3 is corresponding to 140 model and ENCE=3 is corresponding to 160 model.
E.9.
1
Yes
Mini C Series VRF 50/60Hz
Power off and reset the
No
power number
59