Gree GMV-950WM/G-X User Manual

GMV DC Inverter VRF
57
If there is no abnormality in the detection, the display is as below, and then it automatically enters
the next step of detection.
— Debugging code Progress code Status code
Meaning
Progress
LED1 LED2 LED3
Code
Display
status
Code
Display
status
Code
Display
status
07_indoor unit
components
inspection
db ON 07 ON OC ON
The system detected
that there’s no fault for
indoor unit’s parts. Then
it will automatically
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:
— Debugging code Progress code Status code
Meaning
Progress
LED1 LED2 LED3
Display
status
Code
Display
status
Code
Display
status
Display
status
07_indoor unit
components
inspection
db ON 07 ON
XXXX/
correspodin
g error code
ON
The system detected that
there’s fault for indoor
unit’s parts.
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.
— Debugging code Progress code Status code
Meaning
Progress
LED1 LED2 LED3
Code
Display
status
Code
Display
status
Code
Display
status
08_compressor
preheat confirmation
db ON 08 ON OC ON
Compressor’s preheat time has
reached 2h, and then it will enter
into the next step.
If the preheat time for compressor hasn’t reached 2h, there will be abnormal phenomenon. The
display is as below.
—
Debugging code
Progress code
Status code
Meaning
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
08_compressor
preheat confirmation
db ON 08 ON U0 ON
The preheat time for compressor
hasn’t reached 2h.
Step 12: Unit debugging step 09 is “refrigerant judgment before start up”.
If the amount of refrigerant inside the system satisfies the requirements for starting the operation,
the display is as below. Then it will automatically enter into the next step.
—
Debugging code
Progress code
Status code
Meaning
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
09_refrigerant judge
before start up
db ON 09 ON 0C ON
The system refrigerant judgment is
normal. It will automatically enter
into the next step.

Gree GMV-950WM/G-X Specifications

General

Brand	Gree
Model	GMV-950WM/G-X
Category	Inverter
Language	English