Gree FGR50Pd/D2Na-M, Owner'S Manual

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Ducted Type Split Air-Conditioner Units(Inverter Series)
18
Description of each stage of debugging progress
—— Debugging code
Instruction for Code and Operating Method
Progress
LED
Display code
Display
status
02_Address
allocation
02 Bllink
The system is allocating address, which might takes 10s.
02/L7
Display
repeatedly
No master indoor unit.
It will display for 1min continuously. The user can set master
through debugging the software within 1min. If no master unit
is set manually within 1min, the system will set the indoor unit
with the smallest IP address automatically as the master
indoor unit.
02/oC
Display
repeatedly
Address allocation of the system is complete with master
indoor unit.
After displaying once circularly, the system will enter the next
step automatically.
03_ Confirm
quantity of
outdoor units
03/ quantity of
modules in the
system
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.
03/oC
Display
repeatedly
After 10S, all the nixie tubes of modules will display “03” and
“oC”, after displaying once circularly, the system will enter the
next step automatically.
04_Confirm
quantity of indoor
units
04/Cb
Display
repeatedly
The quantity of indoor unit is more than 1.
The system shall not connect more than 1 indoor unit, after
inspection, please redebug for confirmation.
04/oC
Display
repeatedly
The quantity of indoor unit is 1.
After confirming the quantity of indoor unit, it will enter the next
step 2s later.
05_ Internal
communication of
outdoor unit
05/C2
Display
repeatedly
Communication error between master control and compressor
drive.
Please check the connection between the main board of
outdoor unit and communication cord of drive board, after
eliminating the errors, enter the next step. If the ODU should
be powered off for troubleshooting, after re-energizing the
unit, please conduct debugging from the above 01 step.
05/oC
Display
repeatedly
Communication between the master control of outdoor unit
and drive is normal.
After displaying once circularly, the system will enter the next
step automatically.
06_ Component
detection of
outdoor unit
06/
Corresponding
error code
Display
repeatedly
Component error of outdoor unit.
After eliminating all the errors, enter the next step
automatically, if the ODU should be powered off for
troubleshooting, after re-energizing the unit, please conduct
debugging from the above 01 step.
06/oC
Display
repeatedly
No component error of outdoor unit.
After displaying for 10s circularly, the system will enter the
next step automatically.
07_ Component
inspection of
indoor unit
07/
Corresponding
error code
Display
repeatedly
Component error of indoor unit.
After eliminating all the errors, enter the next step
automatically, if the ODU should be powered off for
troubleshooting, after re-energizing the unit, please conduct
debugging from the above 01 step.
07/oC
Display
repeatedly
No component error of indoor unit.
After displaying for 5s circularly, the system will enter the next
step automatically.
08_ Preheat
confirmation of
compressor
08/oC
Display
repeatedly
After displaying for 2s circularly, the system will enter the next
step automatically.