Gree GMV6 HR DC Inverter VRF Units Service Manual
26
Instruction for each stage progress at the time of debugging
—
Deubugging
code
Progress code
Status code
Meaning
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
08_compress
or reheat
comfirmation
db
ON
08
ON
U0
ON
Preheat time for compressor is insufficient.
db
ON
08
ON
OC
ON
Preheat time for compressor is enough. Enter
into the next step automatically.
09_refrigerant
judge before
startup
db
ON
09
ON
U4
ON
The system refrigerant is insufficient. Please
charge the refrigerant until the fault is
eliminated.
db
ON
09
ON
OC
ON
The system refrigerant judge is normal. Enter
into the next step automatically.
10_ status
judgment of
main pipeline
before
starting
db
ON
10
ON
ON
ON
Starting up the operation.
db
ON
10
ON
U6
ON
Main pipeline status is abnormal.
db
ON
10
ON
OC
ON
Main pipeline status is normal.
11_ reserved
function
db
ON
11
ON
AE
ON
—
12_ reserved
function
db
ON
12
ON
01
ON
—
13~15_ pilot
run stage
db
ON
13/14/1
5
ON
AC
ON
Test run under heating mode.
db
ON
13/14/1
5
ON
AH
ON
Test run under cooling mode.
db
ON
13/14/1
5
ON
Correspo
nding
error
code
ON
There is fault in the pilot run stage.
Note: fault module display.
db
ON
13/14/1
5
ON
J0
ON
There is fault in the pilot run stage.
Note: non-fault module display.
db
ON
13/14/1
5
ON
XXXX/U8
ON
The system detected the indoor unit’s pipeline
is abnormal. XXXX indicates the engineering
number of fault indoor unit. Error code U8 is
displayed after 2s. For example, if the U8 fault
occurs in the No. 100 indoor unit, LED3
displays as follows: 01 (after 2s) 00 (after 2s)
U8, and they will be displayed circularly.
Note:
In the pilot run stage, the unit will display corresponding procedures according to actual
circumstances.
When master module displays as below, the complete unit has conducted the debugging and it
stays at the standby status.
Debugging code
Progress code
Status code
Meaning
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
01~04
ON
OF
ON
OF
ON
The complete unit has conducted the
debugging and the unit is under standby status.
LED1 displays module address; LED2 and
LED3 displays “OF”.
NOTE!
In commissioning status and before the above commissioning processes are completed, when the
Summary of Contents for GMVVQ1015WM/C-X
Page 418: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 416 GMV VQ400WM C X GMV VQ450WM C X...
Page 420: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 418 NCHS1D...
Page 421: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 419 NCHS2D...
Page 422: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 420 NCHS4D...
Page 423: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 421 NCHS8D...
Page 426: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 424 6 1 2 Heating Operation...
Page 427: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 425 6 1 3 Main body Cooling...
Page 428: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 426 6 1 4 Main body Heating...
Page 430: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 428 6 2 2 Heating Operation...
Page 431: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 429 6 2 3 Main body Cooling...
Page 432: ...Gree GMV6 HR DC Inverter VRF Units Service Manual 430 6 2 4 Main body Heating...
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