Midea MHC - V18W/D2RN8 - Page 40

M thermal Mono
202008 39
4.3 E1 Troubleshooting
Digital display output 4.3.1
Description 4.3.2
Phase sequence error.
M thermal Mono stops running.
Error code is displayed on outdoor unit main PCB and user interface.
Possible causes 4.3.3
Power supply phases not connected in correct sequence.
Power supply terminals loose.
Power supply abnormal.
Main PCB damaged.
Midea CAC
Confidential