Midea MV6-i900WV2GN1-E - E1: Phase Sequence Error; Trigger; Recover Condition

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.