Gree GMV-504WM/G-X - Page 21

Gree GMV6 DC Inverter VRF Units Service Manual
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(2) Install proprietary software to conduct the debugging through PC. Indoor and outdoor units’
parameters displayed simultaneously through PC software.
(3) Use multi-functional debugger. (As for the detailed operation method for debugging, please refer
to corresponding instruction manual.)
3.2.2.2 Basic Operations
Operation Action Remarks
Commissioning
start
Press and hold the SW3 confirm button on
the master unit for over 5 seconds.
—
Selection of non-
wired-controller
commissioning
mode
During the commissioning, press and hold
the SW1 up button and SW4 back button
for over 5 seconds to enter non-wired-
controller commissioning mode.
After entering this mode, the system no
longer detects the communication status
between the indoor unit and the wired
controller, and the indoor unit can be
commissioned without a wired controller.
Commissioning exit
In commissioning status, press and hold
the SW3 confirm button on the master
module for over 5 seconds to exit
commissioning.
—
Commissioning
pause
During commissioning, press the SW4
back button on the master unit to keep the
status of the completed previous
commissioning phase of the current phase.
For example, if the system receives a
commissioning pause signal when
performing step 10 "Main pipeline status
detection before startup", the system returns
to the waiting phase after step 9
"Refrigerant detection before startup”.
Commissioning
resume
In commissioning pause status, press the
SW4 back button on the master unit to
continue to perform commissioning.
—
3.2.2.3 Display instruction for each stage progress at the time of debugging
Instruction for each stage progress at the time of debugging
—
Deubugging
code
Progress code Status code
Meaning
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
01_ set up
master unit
db
ON
01
ON
A0
ON
Undebugged status.
db ON 01 ON CC ON
The system hasn’t set master module. It
needs to reset it.
db ON 01 ON CF ON
The system has set more than 2 master
modules. It needs to reset it.
db ON 01 ON OC ON
Master module setting is succeeded. It will
automatically enter into the next step.
02_allocate
addresses
db ON 02 ON Ad Flash
The system is conducting the address
assignment.
db ON 02 ON OC ON
Address assignment is succeeded. It will
automatically enter into the next step.
03_module
quantity
confirmation
db ON 03 ON 01~04 Flash
LED3 displays the module quantity. It needs to
manually confirm the module quantity.
db ON 03 ON OC ON
Once the system module quantity is
confirmed, it will automatically enter into the
next step for judgment.