Gree GMV-VQ680WM/C-X Service Manual page 30

Gree
—
Progress
03_ module quantity
confirmation
After 30s of display, the automatic display is as follows; if press SW3 button within 30s, the display
is as follows. The unit automatically enters the next step of debugging:
—
Progress
03_module quantity
confirmation
Note: It is important to confirm that the number of online outdoor unit modules is the same as that of
actual modules; otherwise it will need to conduct the inspection and debugging again.
Step 7: When the unit is running to step 04, the number of online connected indoor unit is displayed.
At this time, the main board of each module is displayed as below:
—
Progress
04_indoor unit
quantity confirmation
After 30s of display, the display is as follows; if press SW3 button within 30s, the display is as
follows. The unit automatically enters the next step of debugging:
—
Progress
04_indoor unit
quantity confirmation
Note: It is important to confirm that the number of online indoor unit modules is the same as that of
actual connected indoor units for the project; otherwise it will need to conduct the inspection and
debugging again.
Step 8: Step 05 of the unit debugging is "confirmation of internal communication of outdoor unit".
If there is no abnormality in the detection, the display is below, and then it automatically enters the
next step of detection.
—
Debugging code
Progress
Code
05_detect
internal db
communication
If an abnormality is detected, it will stay in the current state and manual troubleshooting is required.
The corresponding faults are as below:
Debugging code
LED1
Display
Code
status
db ON
Debugging code
LED1
Display
Code
status
db ON
Debugging code
LED1
Display
Code
status
db ON
Debugging code
LED1
Display
Code
status
db ON
Progress code
LED1 LED2
Display
Code
status
ON 05
GMV6 HR DC Inverter VRF Units Service Manual
Progress code
LED2
Display
Code
status
03 ON
Progress code
LED2
Display
Code
status
03 OC
Progress code
LED2
Display
Code
status
04 ON
Progress code
LED2
Display
Code
status
04 ON
Status code
LED3
Display Display
Code
status
ON OC
28
Status code
LED3
Display
Code
status
Module
Flash
quantity
Status code
LED3
Display
Code
status
OC
Status code
LED3
Display
Code
status
The quantity
of online Flash
indoor units
Status code
LED3
Display
Code
status
OC
Meaning
status
Once the system
inspection is
completed, it will enter
ON
into the next step
automatically.
ON
ON