Gree GMV-VQ680WM/C-X Service Manual page 33

Gree
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Progress
09_refrigerant
judgement before
startup
Step 13: Unit debugging step 10 is "status judgment of main pipeline before starting".
If the main module displays as below, it indicates the unit is starting the operation for judgment.
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Progress
10_ status judgment of
main pipeline before
starting
If the unit has detected the abnormal status, the display is as below:
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Progress
10_ status judgment of
main pipeline before
starting
At this time, it is necessary to check whether the gas valve and the liquid valve are completely open
or whether the main pipeline is blocked. Once inspection is completed, you can return to the previous
step by pressing SW4 button to re-enter the judgment.
If inspection valve of the unit is normal, the display is as below. The unit will automatically enter into
the next step.
—
Progress
10_ status judgment of
main pipeline before
starting
Step 14: Unit debugging step 11 is "reserved function".
The main module display is as below. The unit automatically enters into the next step.
—
Progress
11_ reserved function
Step 15: Unit debugging step 12 is "reserved function".
The master module display is as below. Then the unit automatically enters into the next step.
—
Progress
12_reserved function
Debugging code Progress code
LED1 LED2
Display
Code Code
status
db ON 09
Debugging code Progress code
LED1
Display
Code Code
status
db ON
10
Debugging code Progress code
LED1
Display
Code Code
status
db ON 10
Debugging code Progress code
LED1
Display
Code Code
status
db ON 10
Debugging code Progress code
LED1
Display
Code Code
status
db ON 11
Debugging code Progress code
LED1
Display
Code Code
status
db ON 12
GMV6 HR DC Inverter VRF Units Service Manual
Status code
LED3
Display Display
Code
status status
ON U4 ON
Status code
LED2 LED3
Display Display
Code
status status
ON ON ON
Status code
LED2 LED3
Display Display
Code
status status
ON U6 ON
Status code
LED2 LED3
Display Display
Code
status status
ON OC ON
Status code
LED2 LED3
Display Display
Code
status status
ON AE ON
Status code
LED2 LED3
Display Display
Code
status status
ON 01 ON
31
Meaning
The refrigerant in the system is
insufficient. Please charge
refrigerant until the fault
disappears.
Meaning
Starting and operating.
Meaning
Main pipeline is abnormal.
Meaning
The main pipeline is turned on
normally.
Meaning
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Meaning
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