E1: Phase Sequence Error; Trigger / Recover Condition - Midea V6-i Series Service Manual

V6-i VRF 50/60Hz

2.2 E1: Phase sequence error

2.2.1 Digital display output
2.2.2 Description
 Phase sequence error.
 All units stop running.
 Error code is displayed on the outdoor unit with the error.
2.2.3

Trigger / recover condition

 Trigger condition: Wrong phase connection for 1.6s or phase missing for 48s.
 Recover condition: Correct phase connection.
 Reset method: Manually restart.
2.2.4 Possible causes
 Power supply phases not connected in correct sequence.
 Power supply terminals loose.
 Power supply abnormal.
 Main PCB damaged.
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