Gree UML600H/A-MP Service Manual page 79

GREE
——
Progress
Display code
02_Address
allocation
03/ quantity of
modules in the
03_ Confirm
quantity of outdoor
units
04_Confirm
quantity of indoor
units
05_ Internal
communication of
outdoor unit
Corresponding
error code
06_ Component
detection of outdoor
unit
Corresponding
07_ Component
error code
inspection of indoor
unit
Description of each stage of debugging progress
Debugging code
LED
Display
status
02 Bllink
Display
02/L7
repeatedly
Display
02/oC
repeatedly
Display
repeatedly
system
Display
03/oC
repeatedly
Display
04/Cb
repeatedly
Display
04/oC
repeatedly
Display
05/C2
repeatedly
Display
05/oC
repeatedly
06/
Display After eliminating all the errors, enter the next step automatically, if the
repeatedly ODU should be powered off for troubleshooting, after re-energizing the
Display
06/oC
repeatedly
07/
Display
repeatedly
Display
07/oC
repeatedly
Duct type Ducted Type Split Air-Conditioner Units
Instruction for Code and Operating Method
The system is allocating address, which might takes 10s.
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.
Address allocation of the system is complete with master indoor
After displaying once circularly, the system will enter the next step
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.
After 10S, all the nixie tubes of modules will display "03" and "oC",
after displaying once circularly, the system will enter the next step
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.
The quantity of indoor unit is 1.
After confirming the quantity of indoor unit, it will enter the next step
Communication error between master control and compressor
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.
Communication between the master control of outdoor unit and
drive is normal.
After displaying once circularly, the system will enter the next step
Component error of outdoor unit.
unit, please conduct debugging from the above 01 step.
No component error of outdoor unit.
After displaying for 10s circularly, the system will enter the next step
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
No component error of indoor unit.
After displaying for 5s circularly, the system will enter the next step
79
unit.
automatically.
automatically.
2s later.
drive.
automatically.
automatically.
step.
automatically.