V6-i VRF 50/60Hz
72
Midea V6-i Series Service Manual
2.2 E1: Phase sequence error
Digital display output 2.2.1
Description 2.2.2
Phase sequence error.
All units stop running.
Error code is displayed on the outdoor unit with the error.
Trigger / recover condition 2.2.3
Trigger condition: Wrong phase connection for 1.6s or phase missing for 48s.
Recover condition: Correct phase connection.
Reset method: Manually restart.
Possible causes 2.2.4
Power supply phases not connected in correct sequence.
Power supply terminals loose.
Power supply abnormal.
Main PCB damaged.