Gree GMV6 DC Inverter VRF Units Service Manual
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.
4.2.3.11 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 LED2 LED3
Function code Display status Current process Display status Current status Display status
C8 On 00 Blinks OC Blinks
Press the SW1 up button and the SW2 down button to select the corresponding compressor
emergency operation status.
LED1 LED2 LED3
Description
Function
Display
Current
Display
Current
Display
C8 On 00 Blinks OC Blinks Compressors 1 and 2 run normally.
C8 On 01 Blinks OC Blinks
The operation of compressor 1 is
C8 On 02 Blinks OC Blinks
The operation of compressor 2 is
After selecting the corresponding value, press the SW3 confirm button. All modules display as
follows:
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.
Description
Module address
Module failure/indoor
Module status
ADD C8 ON
System running-compressor emergency
ADD C8 OF
System standby-compressor emergency
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