Gree GMV6 DC Inverter VRF Units Service Manual
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
Code
Display
Code
Display
Code
Display
03_module quantity
db ON 03 OC OC ON
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
Code
Display
Code
Display
Code
Display
04_indoor unit
quantity confirmation
db ON 04 ON
The quantity
of online
Flash
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
Code
Display
Code
Display
Code
Display
04_indoor unit
db ON 04 ON OC ON
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.
—
Meaning
Progress
Code
Display
Code
Display
Code
Display
05_detect
internal
communication
db ON 05 ON OC ON
Once the system
inspection is
completed, it will enter
into the next step
If an abnormality is detected, it will stay in the current state and manual troubleshooting is required.
The corresponding faults are as below:
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