Gree GMV-VQ680WM/C-X Service Manual page 63

Gree
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 address
ADD
ADD
NOTES!
①
This function is applicable only to dual-fan models;
②
A module can set only one fan to emergency mode;
③
The default status is 00.
④
The system cannot run continuously for more than 120 hours in fan emergency operation
status. If it exceeds 120 hours, the entire system is stopped, and the indoor unit displays
the "Ad" limit operation code.
4.1.2.3.13 CA Module Failure Emergency Operation
This function is after-sales emergency setting when a module works abnormally. It shields the
abnormal module in a short time to ensure the emergency operation of other modules.
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
CA
Press the SW1 up button and the SW2 down button to select the corresponding module to enter and
exit emergency operation status.
LED1
Function Display
code status
CA On
CA On
CA On
CA On
CA On
After selecting the corresponding value, press the SW3 confirm button. The shielded module
displays as follows:
LED2
Module
failure/indoor unit Module status
failure
C9
C9
Current process
On 00
LED2
Current Display
process status
00 Blinks
01 Blinks
02 Blinks
03 Blinks
04 Blinks
GMV6 HR DC Inverter VRF Units Service Manual
LED3
System running-fan emergency operation
ON
System standby-fan emergency operation
OF
LED2
Display status
Blinks
LED3
Current Display
status status
OC Blinks
OC Blinks
OC Blinks
OC Blinks
OC Blinks
61
Description
status
status
LED3
Current status Display status
OC Blinks
Description
All basic modules run normally.
The operation of module 1 is
shielded.
The operation of module 2 is
shielded.
The operation of module 3 is
shielded.
The operation of module 4 is
shielded.