GREE Photovoltaic Direct-driven Inverter Multi VRF Units
143
P4 Drive PFC protection of compressor bb
Malfunction of temperature sensor of oil
P5
Over-current protection of inverter
H0 Malfunction of driving board of fan
P6
Drive IPM module protection of
H1 Driving board of fan operates abnormally
P7
Malfunction of drive temperature sensor
H2
Voltage protection of driving board
P8
Drive IPM high temperature protection of
H3 Reset protection of driving module of fan
P9
Desynchronizing protection of inverter
H4 Drive PFC protection of fan
PA
Malfunction of drive storage chip of
H5 Over-current protection of inverter fan
PH
High-voltage protection of compressor’s
H6 Drive IPM module protection of fan
PC
Malfunction of current detection circuit
H7
Malfunction of drive temperature sensor
PL
Low voltage protection for DC bus bar of
H8
Drive IPM high temperature protection of
PE Phase-lacking of inverter compressor H9
Desynchronizing protection of inverter
PF
Malfunction of charging loop of driven of
HA
Malfunction of drive storage chip of
PJ Failure startup of inverter compressor HH
High-voltage protection of fan’s drive DC
PP
AC current protection of inverter
HC
Malfunction of current detection circuit of
PU
AC input voltage of drive of inverter
HL
Low voltage protection of bus bar of fan
Main board of ODU is poor
Phase-lacking of inverter fan
Malfunction of high-pressure sensor
Malfunction of charging loop of fan drive
Malfunction of low-pressure sensor
Failure startup of inverter fan
F5
Malfunction of discharge temperature
HP AC current protection of inverter fan
F6
Malfunction of exit-tube temperature
HU AC input voltage of drive of inverter fan
Malfunction of humidity sensor
Failure startup of inverter fan
Malfunction of water temperature sensor
AC current protection of inverter fan
Malfunction of jumper cap
AC input voltage of drive of inverter fan
Web address of IDU is abnormal