Gree FGR50Pd/DNa-M Owner's Manual page 22

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