Gree GMV5 Compact Series - Page 91

0 89 MAINTENACE
GMV5 COMPACT MULTI VRF UNIT
SERVICE MANUAL
2.16 Phase-lacking protection of power
Phase-lacking protection of power
Check if the power cord is connected
properly
Replace the mian board
It is finished
Connect the power cord properly and see if the
error is eliminated
NO
NO
YES
2.17 Desynchronizing protection of inverter compressor
Whether the sequence of wire for
compressor is correct?
Whether the wiring terminal for
compressor is loose?
Adjust the sequence of wire for
compressor
Connect the wires of compressor tightly
Work normally
NO
YES
YES
YES
NO
NO
Replace the main board
Work normally
Replace the compressor