Gree GMV-121WL/C-T User Manual

GREE DC Inverter Multi VRF System II Service Manual
70
1.2 Debugging of unit
Debugging procedure for test run, display instruction for indicator on main board of outdoor unit and
operation method are as below:
GMV-80WL/A-T GMV-100WL/A-T GMV-121WL/A-T GMV-80WL/C-T GMV-100WL/C-T
GMV-121WL/C-T GMV-120WL/C-T GMV-140WL/C-T GMV-160WL/C-T GMV-120WL/C-X
GMV-140WL/C-X GMV-160WL/C-X
GMV-H224WL/A-X GMV-H280WL/A-X GMV-H335WL/A-X GMV-H224WL/A-X
GMV-H280WL/A-X GMV-H335WL/A-X
GMV-224WL/C-X GMV-280WL/C-X GMV-335WL/C-X
Stage process instruction for debugging
——
Debugging code
Process code
Status code
Code instruction and operation method
Process
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
01_ Main control
unit setting
00
ON
OF/A
C/AH
ON
A
0
ON
No debugging status for system
db
ON
01
ON
OC
ON
Press SW7 button on main board for 5s to start
system debugging. The indicator on main board is
displayed as shown in the left. 2s later, it will enter
into next step determination.
02_ Address distribution
db
ON
02
ON
Ad
Flash
Address distribution for the system. 10s later, the
display is as below:
db
ON
02
ON
L7
Flash
No main indoor unit. Display will be kept for 1min.
Within 1min, set the main i
ndoor unit through
debugging software. If notset the main indoor unit
by hand within 1min, the system will automatically
set the minimum IP address as the main indoor
unit.
db
ON
02
ON
OC
ON
The distribution for the system address is finished.
2s later,
it will enter into the next step
determination automatically.
03_Quantity
confirmation of
outdoor unit
db
ON
03
ON
01
Flash
Cofirmation process of system. 1s later, it will
enter into the next step automatically.
db
ON
03
ON
OC
ON
Cofirmation process of
system. 2s later, it will
enter into the next step automatically.
04_Quantity confirmation of indoor
unit
db
ON
04
ON
01~8
0
Flash
LED3 displays quantity of indoor unit. The quanity
of indoor unit shall be confirmed by perform. If the
actural quantity of indoor unit is different from the
displayed quantity, cut off the power for indoor unit
and outdoor unit. Check whether the
communication wire for indoor unit is normal. After
that, put through the power and start debugging
from step 01. If the quantity o
f indoor unit is
correct, press
SW7 button on main board to
confirm it. The display is as below after
confirmation:

Gree GMV-121WL/C-T Specifications

General

Brand	Gree
Model	GMV-121WL/C-T
Category	Air Conditioner
Language	English