MAINTENACE 0760
GMV5 COMPACT MULTI VRF UNIT
SERVICE MANUAL
Desynchronizing protection
of inverter compressor1
Malfunction of low-pressure
sensor
Phase-lacking of inverter
compressor1
Malfunction of
high-pressure sensor
Malfunction of phase current
testing for compressor1
Power protection of
compressor1
Malfunction of discharge
temperature sensor of
compressor 2
Over loading for
compressor2
Discharge protection for
compressor1
Demagnetization protection
for compressor2
Desynchronizing protection
of inverter compressor2
Phase-lacking of inverter
compressor2
Malfunction of phase current
testing for compressor1
Power protection of
compressor1
Over loading for
compressor2
Discharge protection for
compressor2
Refrigerant-lacking
protection
Note: The flicker times of driveboard are equal to that of mainboard, and its malfunction is also the same.