Gree GMVVQ224WM/C-X Owner's Manual page 66

Debugging code
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Progress
Code
06_outdoor unit
components db
inspection
Refer to the part of "Troubleshooting" for the corresponding troubleshooting method.
Step 10: The unit debugging step 07 is "indoor unit components inspection".
If there is no abnormality in the detection, the display is as below, and then it automatically enters
the next step of detection.
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Progress
07_indoor unit
components
inspection
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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Progress
Display
07_indoor unit
components
inspection
XXXX indicates the engineering no. of fault indoor unit. 3s later, the corresponding error code will
be displayed. For example, if d5 fault occurs for No.100 indoor unit, LED3 displays as below: 01 (2s
later) 00(2s later) d5, and they will display like that circularly.
Refer to the part of "Troubleshooting" for the corresponding troubleshooting method.
Step 11: The debugging step 08 is "compressor preheat confirmation".
If the preheat time has reached for 2h, the display is as below. Then it will enter into the next step
for inspection.
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Progress
08_compressor
preheat confirmation
If the preheat time for compressor hasn't reached 2h, there will be abnormal phenomenon. The
display is as below.
Progress code
LED1
Display
Code
status
ON 06
Debugging code Progress code
LED1
Display
Code Code
status
db ON 07
Debugging code Progress code
LED1
Display
Code
status status
db ON 07
Debugging code Progress code
LED1
Display
Code Code
status
db ON 08
GMV Heat Recovery DC Inverter VRF
Status code
LED2 LED3
Display
Code
status
Corresponding
ON
error code
Status code
LED2 LED3
Display
Code
status
ON OC
Status code
LED2 LED3
Code Display status
XXXX/
ON corresponding
error code
Status code
LED2 LED3
Display
Code
status
ON OC
62
Meaning
Display
status
The system detected that
ON there's fault for outdoor
unit's parts.
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.
Meaning
Display
status
The system detected that
ON there's fault for indoor
unit's parts.
Meaning
Display
status
Compressor's preheat time
has reached 2h, and then
ON
it will enter into the next
step.