Gree GMV-VQ680WM/C-X Service Manual page 27

Gree
3.2.2.2.3 Display instruction for each stage progress at the time of debugging
Deubugging
—
code
LED1
Progress
Code
db
db
01_ set up
master unit
db
db
db
02_allocate
addresses
db
db
03_module
quantity
confirmation
db
db
04_indoor
unit's quantity
confirmation
db
db
db
05_ detect
internal
communication
db
db
db
db
06_ outdoor
unit's internal
components
confirmation
db
db
07_indoor unit
componets
inspection
db
Instruction for each stage progress at the time of debugging
Progress code
LED2
Display Display
Code
status status
ON 01 ON
ON 01 ON
ON 01 ON
ON 01 ON
ON 02 ON
ON 02 ON
ON 03 ON
ON 03 ON
ON 04 ON
ON 04 ON
ON 05 ON
ON 05 ON
ON 05 ON
ON 05 ON
ON 05 ON
correspod
ON 06 ON
ON 06 ON
XXXX/cor
respoding
07
ON ON
ON 07 ON
GMV6 HR DC Inverter VRF Units Service Manual
Status code
LED3
Display
Code
status
A0 ON Undebugged status.
The system hasn't set master module. It needs
CC ON
to reset it.
The system has set more than 2 master
CF ON
modules. It needs to reset it.
Master module setting is succeeded. It will
OC ON
automatically enter into the next step.
The system is conducting the address
Ad Flash
assignment.
Address assignment is succeeded. It will
OC ON
automatically enter into the next step.
LED3 displays the module quantity. It needs to
01~04 Flash
manually confirm the module quantity.
Once the system module quantity is confirmed,
OC ON it will automatically enter into the next step for
judgment.
××/ The
quantity
LED3 displays the quantity of online indoor
of online Flash
units.
indoor
units
Indoor unit's quantity inspection is finished.
OC ON
Enter into the next step automatically.
The system has detected "communication
C2 ON malfunction between main control and inverter
compressor driver".
The system has detected "communication
C3 ON malfunction between main control and inverter
fan driver".
Indoor/outdoor unit's "rated capacity ratio is too
CH ON
high".
Indoor/outdoor unit's "rated capacity ratio is too
CL ON
low".
System inspection is finished. Enter into the
OC ON
next step automatically.
The system has detected the fault of outdoor
ing error ON
unit' components.
code
The system detected that there's no outdoor
OC ON unit fault. Enter into the next step
automatically.
The system detected an indoor unit fault.
XXXX indicates engineering number of fault
indoor unit, and the corresponding fault code is
displayed 2s later. For example, if there is D5
error ON
fault in the No. 100 indoor unit, LED3 displays
code
as follows: 01 (after 2s) 00 (after 2s) d5, and
they will be displayed circularly.
The system detected that there's no outdoor
OC ON unit fault. Enter into the next step
automatically.
25
Meaning