Gree GMV-S280W/A-X

GMV5 Home DC Inverter Multi VRF Units
268
C2
Communication failure
between main control board
and inverter compressor
drive
1 The control board is powered off;
2 The compressor drive board is powered
off;
3 The communication cable between the
control board and compressor drive board
is not connected;
4 The compressor drive board's dial
switch SA201 is wrong.
1Check the power supply of the
control board. Replace the
control board if it works properly;
2Check the power supply of the
drive board. Replace the drive
board if it works properly;
3Connect the main board and
drive board using the
communication cable;
4Adjust the dial switch of the
compressor drive board.
P3
Compressor drive module
reset protection
1The compressor drive board is faulty.
1Replace the compressor drive
board.
P5
Inverter compressor
over-current protection
1IPMThe drive board's IPM module is
damaged;
2The compressor's UVW cable is not
connected properly;
3The compressor is damaged.
1 Replace the compressor drive
board;
2 UVWReconnect the
compressor's UVW cable;
3 Replace the compressor.
P6
Compressor drive IPM
module protection
1 The drive board's IPM module is
damaged;
2 The compressor's UVW cable is not
connected properly;
3 The compressor is damaged.
1Replace the compressor drive
board;
2 Reconnect the compressor's
UVW cable;
3Replace the compressor.
P7
Compressor drive
temperature sensor fault
1The compressor drive board is faulty.
1Replace the compressor drive
board.
P8
Compressor drive IPM
over-temperature protection
1The compressor drive board is faulty;
2Thermal gel is not applied evenly on the
IPM module;
3The IPM module is not screwed properly.
1Replace the compressor drive
board;
2 Apply thermal gel evenly on
the IPM module;
3 Screw the IPM module
properly.
P9
Inverter compressor
out-of-step protection
1The compressor drive board is faulty.
1Replace the compressor drive
board.
PH
Compressor drive DC bus
high voltage protection
1 Whether the voltage of the input power
cable of the whole system exceed 460 V;
2 The compressor drive board is faulty.
1Adjust the input power voltage
to the required range;
2Replace the compressor drive
board.
PL
Compressor drive DC bus
low voltage protection
1 Is the voltage of the input power cable
of the whole system lower than 320 V;
2 The compressor drive board is faulty.
1 Elevate the voltage of the
input power cable to the
required range;
2 Replace the compressor drive
board.
PC
Compressor drive current
check circuit fault
1The compressor drive board is faulty.
1Replace the compressor drive
board.
PF
Compressor drive
recharging circuit fault
1 Is the voltage of the input power cable
of the whole system lower than 280 V;
1 Elevate the voltage of the
input power cable to the