Gree GMV-80WL/C-T User Manual

GREE DC Inverter Multi VRF System II Service Manual
73
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
db
ON
15
ON
Corre
spodi
ng
error
code
ON
There’s malfunction during debugging process
under cooling mode. After removing all
malfunctions, it will enter into the next step
determination.
16_Debugging
operation for heating
db
ON
16
ON
AH
ON
Debugging under heating mode. If there’s no
malfunction aft
er the compressor operates for
2
0min, it will enter into process 17 to finish
debugging; If there’s malfunction during operation
process, the display is as below:
db
ON
16
ON
Corre
spodi
ng
error
code
ON
There’s malfunction during
debugging operation
under heating mode. The unit will enter into the
next step determination after elimanted all
malfunctions.
17_
Finished status of
debugging
0
0
ON
AC/A
H
ON
OF
ON
Debugging is finished for the complete unit. The
system is at standby st
atus.
GMV-141WL/C-T
Description of each stage of debugging progress
——
Debugging code
Code meaning and operation method
Progress
LED
Code
Display status
01_Set master
unit
A0 ON
System is not debugged, hold main board’s SW3 button for 5s to
start debugging.
01
ON
2s later, next step starts.
02_ Allocate
addresses
02/Ad
Display
circularly
System is allocating addresses. 10s later, display as below:
02/L7
Display
circularly
No master indoor unit. Display will be on for 1min, during which
master IDU can be set manually. If not, system will set the unit
with minimum IP address as the master IDU.
02/oC
Display
circularly
Allocation is finished. 2s later, next step starts.
03_ Confirm the
quantity of ODU
03/01
Display
circularly
System is confirming. 1s later, next step starts.
04_ Confirm the
quantity of IDU
04/00
16
Display
circularly
“0016” displays the quantity of indoor unit. Confirm the number
manually. If the number is not consistent the display one, cut off
power of IDU and ODU and check whether communication wire
of IDU is correctly connected. After the check, connect power
and start debugging from progress 01. If the number is then
correct, press main board’s SW3 button to confirm. Then the
display is as below:
04/oC
Display
circularly
System has confirmed the quantity. 2s later, next step starts.
00
16/CL
Display
circularly
“0016” displays the quantity of indoor unit identified by the
system. “CL” means the amount of indoor unit is very little
(amount of indoor unit
˘2), at this moment, all buttons are
invalid, the system cannot enter into the next judgment.
05_ Detect ODU’s
internal
communication
05/C2
Display
circularly
Communication between master ODU and driver has error.
Check the communication connection of ODU’s main board and
drive board. When the error is eliminated, start next step. If

Gree GMV-80WL/C-T Specifications

General

Brand	Gree
Model	GMV-80WL/C-T
Category	Air Conditioner
Language	English