Gree FGR20Pd/DNa-X Owner's Manual page 32

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Progress
07/ Corresponding
07_ Component
inspection of
indoor unit
08_ Preheat
confirmation of
compressor
09_ Confirmation
of valve of
outdoor unit
10_ Debugging
completed
Ducted Type Split Air-Conditioner Units(Inverter Series)
Description of each stage of debugging progress
Debugging code
LED
Display
Display code
status
Display
error code repeatedly
Display
07/oC
repeatedly
Display
08/oC
repeatedly
Display
09/oF
repeatedly
Display
09/on
repeatedly
Display
repeatedly
09/U6
Display
repeatedly
Display
09/oC
repeatedly
Display
01/oF
repeatedly
Instruction for Code and Operating Method
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.
No component error of indoor unit.
After displaying for 5s circularly, the system will enter the next
step automatically.
After displaying for 2s circularly, the system will enter the next
step automatically.
Standby status, ready to start.
The system has started.
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.
Confirmation of valve status.
All modules are halted normally, nixie tubes of all modules will
display once circularly.
Debugging is completed, the system is in standby status.
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