V6 VRF 50Hz
74
Midea V6 Series Service Manual
2.3 E1: Phase sequence error
Digital display output 2.3.1
Description 2.3.2
Phase sequence error.
All units stop running.
Error code is only displayed on the unit with the error.
Trigger / recover condition 2.3.3
Trigger condition: Wrong phase connection for 1.6s or phase missing for 48s.
Recover condition: Correct phase connection.
Reset method: Manually restart.
Possible causes 2.3.4
Power supply phases not connected in correct sequence.
Power supply terminals loose.
Power supply abnormal.
Main PCB damaged.