Gree GMV-100WL/A-T, Service Manual, Page: 98 / 173

GREE DC Inverter Multi VRF System II Service Manual
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11) Desynchronizing protection for inverter compressor
LED3 dual-8
nixie tube
displays P9
Whether the
sequence of wire
for compressor is
correct?
yes
Replace the main
board. Work
normally?
no
Replace
compressor
Work normally
yes
Adjust the
sequence of wire
for compressor
Whether
the wiring terminal
for compressor is
loose?
Connect the wires
of compressor
tightly
yes
no
no
Wired
controller
displays P0
12) Failure startup for inverter compressor
Wired
controller
displays P0
LED3 dual-8
nixie tube
displays PJ
Replace main
board. Work
normally?
Replace
compressor
Work normally
yes
no