Gree GMV-VQ680WM/C-X Service Manual page 31

Gree
—
Progress
Code
05_ detect internal
communication
Refer to the part of "Troubleshooting" for the corresponding troubleshooting method.
Step 9: The unit debugging step 06 is "outdoor unit's parts inspection".
If there is no abnormality in the detection, the display is below, and then it automatically enters the
next step of detection.
—
Progress
Code
06_outdoor unit's
parts inspection
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
Progress
Code
06_ outdoor unit's
internal
components
confirmation
Refer to the part of "Troubleshooting" for the corresponding troubleshooting method.
Step 10: The unit debugging step 07 is "indoor unit's parts inspection".
If there is no abnormality in the detection, the display is as below, and then it automatically enters
the next step of detection.
—
Progress
07_ indoor unit
componets
inspection
Debugging code Progress code
LED1
Display
Code
status
db ON 05
db ON 05
db ON 05
db ON 05
Debugging code Progress code
LED1
Display
Code
status
db ON 06
Progress code
LED1
Display
Code
status
db ON 06
Debugging code Progress code
LED1
Display
Code Code
status
db ON 07
GMV6 HR DC Inverter VRF Units Service Manual
Status code
LED2
Display
Code
status
ON C2
ON C3
ON CH
ON CL
Status code
LED2
Display
Code Display status
status
ON OC
Status code
LED2 LED3
Display
Code
status
Corresponding
ON
error code
Status code
LED2
Display
Code
status
ON OC
29
LED3
Meaning
Display
status
The system has detected
"communication
malfunction between main
ON
control and inverter
compressor driver".
The system has detected
"communication
malfunction between main
ON
control and inverter fan
driver".
Indoor/outdoor units' rated
ON
capacity ratio is too high.
Indoor/outdoor units' rated
ON
capacity ratio is too low.
LED3
Meaning
The system detected that
there's no fault for outdoor
ON unit's parts. Then it will
automatically enter into
the next step.
Meaning
Display
status
The system detected that
ON there's fault for outdoor
unit's parts.
LED3
Meaning
Display
status
The system detected
that there's no fault for
ON indoor unit's parts. Then
it will automatically enter
into the next step.