L7: Phase Sequence Error - Midea VRF Series Service Manual

V6R VRF 50/60Hz

L7: Phase sequence error

Disconnect the
power supply
112
L7 protection
Compressor wiring is loose
No
An open circuit in the 3-phase U/V/W
of compressor terminals
No
Replace the inverter module
Yes
Reconnect cables based on
wiring diagram
Yes
Replace the compressor