Gree GMV-S280W/A-X

GMV5 Home DC Inverter Multi VRF Units
236
compressor driver
P6
IPM module protection of
inverter compressor driver
C3
Communication failure between the master
unit and inverter outdoor fan driver
PJ
Inverter compressor startup
failure
H8
Over-high temperature protection of inverter
outdoor fan driver module
PE
Inverter compressor phase
lacking protection
H7
Temperature sensor failure of inverter
outdoor fan driver module
P3
Inverter compressor driver
module reset
P5
Inverter compressor
over-current protection
PC
Current detection circuit
failure of inverter compressor
driver
The display are as below:
LED1
LED2
LED3
Function
Code
Display
Mode
Fault
Sequence
Display
Mode
Current Status
Display Mode
n6
On
01
On
Corresponding historical fault/module address
Alternately display
n6
On
02
On
Alternately display
n6
On
03
On
Alternately display
n6
On
04
On
Alternately display
n6
On
05
On
Alternately display
If there are less than five historical faults, LED2 and LED3 display ―00‖ indicating there are no
more historical faults after the last fault is displayed.
Under fault inquiry status, press and hold ―SW7‖ for five seconds to clear all historical faults of
the ODU.
Step 8: If the n7 parameter inquiry is selected, the display is as below. The unit enters into
to-be-confirmed status of parameter inquiry.
LED1
LED2
LED3
Function Code
Display Mode
Current Progress/Mode
Display Mode
Current Status
Display Mode
n7
Flicker
00
Flicker
00
Flicker
On the master unit, press ―SW7‖ to confirm parameter inquiry and enter into module
confirmation status for parameter inquiry. The display is as below:
LED1
LED2
LED3
Function Code
Display Mode
Module Address
Display Mode
Current Status
Display Mode
n7
On
01
Flicker
00
Flicker
Select corresponding outdoor unit for inquiry by pressing SW1 (UP) or SW2 (DOWN) and
then press SW7 to confirm. The display is as below:
LED1
LED2
LED3