Gree GMV-VQ680WM/C-X Service Manual page 61

Gree
the one-button drainage status is set to on (one-button drainage is enabled), the one-button drainage
code is automatically recovered to OF after 60 minutes.
4.1.2.3.11 C8 Compressor Failure Emergency Operation
This function is after-sales emergency setting when a compressor works abnormally. It shields the
abnormal compressor in a short time to ensure the emergency operation of other compressors.
Setting steps:
Enter the function setting on the main board of the faulty basic module. The module displays as
follows:
LED1
Function code Display status
C8
Press the SW1 up button and the SW2 down button to select the corresponding compressor
emergency operation status.
LED1
Function Display
code status
C8 On
C8 On
C8 On
After selecting the corresponding value, press the SW3 confirm button. All modules display as
follows:
LED1
Function code Display status
C8
C8
C8
The basic module memorizes this setting and does not clear it even upon power failure and
power-on again. The default value is 00.
Then, press the SW4 back button to return to the previous process. (During setting, press SW4 to
return to the previous process. If the setting is completed, press SW4 to resume the unit to the current
normal working status.)
If you do not press any button in 5 minutes, the system will automatically exit the current screen and
the unit will resume displaying the current status.
If a basic module sets compressor failure emergency operation, the status indicators and LEDs on
the module indicate the corresponding status.
LED1
Module failure/indoor
Module address
ADD
ADD
Current process
On 00
LED2
Current Display
process status
00 Blinks
01 Blinks
02 Blinks
Mode
On 00
On 01
On 02
LED2
Module status
unit failure
C8
C8
GMV6 HR DC Inverter VRF Units Service Manual
LED2
Display status
Blinks
LED3
Current Display
status status
OC Blinks
OC Blinks
OC Blinks
LED2
Display status
On
On
On
LED3
System running-compressor emergency
ON
System standby-compressor emergency
OF
59
LED3
Current status Display status
OC Blinks
Description
Compressors 1 and 2 run normally.
The operation of compressor 1 is
shielded.
The operation of compressor 2 is
shielded.
LED3
Current status Display status
OC On
OC On
OC On
Description
operation status
operation status