Gree CF01000730, Service Manual

Page: 77 / 129

GREE Duct type split Air conditioner Inverter Series
75
Description of each stage of debugging progress
—— Debugging Code
Instruction for Code and Operating Method
Progress
LED
Display Code
Display
Code
02_ Allocate
addresses
02 Flicker
The system is allocating addresses. It will display as below after
10 seconds.
02/L7
Display
repeatedly
There is no master unit.
The display will last for 1 minute, within this 1 minute, the
master IDU can be set by debugging software. If the master IDU
has not been set within this 1 minute, the system will
automatically set the IDU with the minimum IP address as the
master IDU.
02/oC
Display
repeatedly
The system has finished allocating the addresses, there is
master IDU.
It will automatically enter into the next step’s operation after
displaying for once.
03_ Confirm the
quantity of ODU
03/QTY of
module
Display
repeatedly
Confirmation of quantity of modules in the system.
To differentiate from the debugging step, the QTY of module will
display only 1-digit on the right.
If the actual quantity of ODU is inconformity with the displayed
quantity, please check the dial code and wire connection and
then conduct debugging for confirmation.
03/oC
Display
repeatedly
If the actual quantity of ODU is in conformity with the displayed
quantity, press SW3 button to confirm. After confirmation, all the
module nixie tubes will repeatedly display “03” and “0C”, after
displaying for once, the system will automatically enter into the
next operation.
04_ Confirm the
quantity of IDU
04/Cb
Display
repeatedly
It is not allowed to connect more than one indoor unit in the
system. Please check and debug again to confirm.
04/oC
Display
repeatedly
The quantity of IDU in the system has been confirmed.It will
enter into the next step.
05_ Detect
ODU’s internal
communication
05/C2
Display
repeatedly
Communication error between master control and drive of
compressor.
Please check if the communication wire between mainboard
and driving board of ODU is correctly connected, if it is, enter
into the next step. If the ODU should be powered off for the
debugging, after re-energizing the unit, please conduct
debugging from the above 01 step.
05/oC
Display
repeatedly
The communication between master control and driving of ODU
is normal.
After displaying for once, it will automatically enter into the next
step.
06_ Detect
outdoor
components
06/corresponding
error code
Display
repeatedly
Error of components of ODU. After eliminating all the errors, it
will automatically enter into the next step. If the ODU should be
powered off for the debugging, after re-energizing the unit,
please conduct debugging from the above 01 step.
06/corresponding
error code
Display
repeatedly
Error of components of ODU. After eliminating all the errors, it
will automatically enter into the next step. If the ODU should be
powered off for the debugging, after re-energizing the unit,
please conduct debugging from the above 01 step.
06/oC
Display
repeatedly
No component of ODU is found in the system, it will enter into
the next step 10 seconds later.
07_ Detect
indoor
components
07/
corresponding
error code
Display
repeatedly
Error of components of IDU is detected.
If the ODU should be powered off for the debugging, after re-
energizing the unit, please conduct debugging from the above 01
step.
07/oC
Display
repeatedly
No component of IDU is found in the system.
It will automatically enter into the next step 5 seconds later.