Gree GMV-36WL/A-T(U) - Page 89

DC Inverter Side Discharge VRF Ⅱ for North America
87
05_ Detect
ODU’s internal
communication
and capacity
ratio
db
On
05
On
C2
On
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 power is off
during troubleshooting, then
restart debugging from
progress 01 after power is
on.
db
On
05
On
OC
On
Communication of master
ODU and driver is normal.
Unit will display as in the left
for 2s and detect the
capacity ratio of IDU and
ODU. If the ratio is within
range, than next step will
start 2s later. If the ratio is
out of range, unit will display
as below:
db
On
05
On
CH
On
Rated capacity ratio of IDU
is too high. Change the
combination way of IDU
and ODU to make the ratio
within range. And restart
debugging from progress 01.
db
On
05
On
CL
On
Rated capacity ratio of IDU
is too low. Change the
combination way of IDU
and ODU to make the ratio
within range. And restart
debugging from progress 01.
06_ outdoor
components
db
On
06
On
error
code
On
Outdoor component’s error.
LED3 will display the related
error code. After errors are
eliminated, system will start
next step automatically. If
power is off during
troubleshooting, then restart
debugging from progress 01
after power is on.
db
On
06
On
OC
On
System detects no error on
outdoor component. 10s
later, next step starts.