Gree FGR50Pd/DNa-M Owner's Manual page 21

Ducted Type Split Air-Conditioner Units(Inverter Series)
Flow-process diagram of debugging:
4.2.2.2 Debugging Process
——
Progress
Display code
Start
01/CC
01/CF
01_Master unit
setting
01/oC
01:Set master unit
02:Allocate addresses
03:Confirm the quantity of ODU
04:Confirm the quantity of IDU
05:Detect ODU's internal communication
06:Detect outdoor components
07:Detect indoor components
08:Confirm preheated compressor
09:Confirm status of valve of ODU
10:Debugging completed status
Description of each stage of debugging progress
Debugging code
LED
Display
status
Always No debugged yeat. Press "SW3" button consecutively in the
A0
ON master module for over 5s to enter auto debugging.
The system has no master unit.
Display
Debugging can't be continued, all buttons are invalid,
repeatedly
disconnect the power to reset the correct "SA6" DIP.
The system has two or more master units.
Display
Debugging can't be continued, all buttons are invalid,
repeatedly
disconnect the power to reset the correct "SA6" DIP.
The system has only one master unit.
Display
After displaying once circularly, the system will enter the next
repeatedly
step automatically.
Instruction for Code and Operating Method
17