M‐Thermal Split
58
201909
Midea M‐Thermal Split Ser
vice Manual
4.12
H7 Troubleshooting
Digital display output
Description
Abnormal main circuit voltage.
M‐Thermal Split stops running.
Error code is displayed on outdoor unit main PCB and user interface.
Possible causes
Power supply voltage not within 90%~110% of rated voltage.
Outdoor unit main PCB is damaged.
Procedure
H7
Power supply voltage is not within
90%~110% of rated voltage
Yes
Provide normal power supply
No
Replace outdoor unit main PCB
Midea CAC Confidential
Summary of Contents for SMK-60/CGN8
Page 1: ...M Thermal Split Series Commercial Air Conditioners R32 Service Manual Midea CAC Confidential...
Page 3: ...M Thermal Split 2 201909 Midea M Thermal Split Service Manual Midea CAC Confidential...
Page 7: ...M Thermal Split 6 201909 Midea M Thermal Split Service Manual Midea CAC Confidential...
Page 15: ...M Thermal Split 14 201909 Midea M Thermal Split Service Manual Midea CAC Confidential...