Gree FGR30Pd/DNa-X

GREE Duct type split Air conditioner Inverter Series
78
Description of each stage of debugging progress
—— Debugging code
Instruction for Code and Operating Method
Progress
LED
Display code
Display
status
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.
09_ Confirmation
of valve of outdoor
unit
09/oF
Display
repeatedly
Standby status, ready to start.
09/on
Display
repeatedly
The system has started.
09/U6
Display
repeatedly
Malfunction shutdown.
The nixie tube of faulted module will display “09” and “U6”
repeatedly and the nixie tube of other modules will display “09”
and “J0”. In canse malfunction occurd, please check if the valve
is opened and if the connection pipes among different modules
are correctly connected.
09/oC
Display
repeatedly
Confirmation of valve status.
All modules are halted normally, nixie tubes of all modules will
display once circularly.
10_ Debugging
completed
OFF ON Debugging is completed, the system is in standby status.
1.5 Function setting
1.5.1 Function setting of outdoor unit
After debugging, long press “SW1” button in master control for 5s, the system will enter function
standby status, main board indicator of outdoor unit is displayed acquiescently as follows:
LED
Function code Display method
A7 Blink
Select corresponding function to switch LED function code through “SW1” and “SW2” button in
master control, function setting includes: outdoor quiet mode setting (A7), unit cooling and heating
function setting (A6), mandatory defrosting operation (n3) and energy conservation mode setting (n0).
After selecting corresponding function, short press “SW3” button for confirmation, main board
indicator of outdoor unit is displayed as follows:
LED
Function code Display method
A7 Blink
A6 Blink
n3 Blink
n0 Blink