Gree GMV-80WL A-T Manuel De L'utilisateur page 30

DC Inverter Multi VRF System User Manual
5.2.2 Test Operation and Debugging
Description of test operation procedures and main board display of ODU
—— Debugging code
Progress
Code
01_ Set
master unit
02_ Allocate
addresses
03_ Confirm
the quantity
of ODU
04_ Confirm
the quantity
of IDU
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Description of each stage of debugging progress
Progress code
LED1 LED2
Display Display
Code
status
OF/A
00 ON
C/AH
db On 01
db On 02
db On 02
db On 02
db On 03
db On 03
db On 04
db On 04
Status code
LED3
Display
Code
status status
ON A0 ON
On OC On
On Ad Blink
On L7 Blink
On OC On
On 01 Blink
On OC On
01~8
On Blink
0
On OC On
27
Code meaning and operation
method
System is not debugged.
Hold main board's SW7 button
for 5s to start debugging. Main
board will display as said in the left.
2s later, next step starts.
System is allocating addresses. 10s
later, display as below:
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.
Allocation is finished. 2s later, next
step starts.
System is confirming. 1s later, next
step starts.
System finishes confirmation. 2s
later, next step starts.
LED3 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 SW7 button to
confirm. Then the display is as
below:
System has confirmed the quantity.
2s later, next step starts.