Ducted Type Split Air-Conditioner Units(Inverter Series)
26
Description of each stage of debugging progress
——
Debugging code
Instruction for Code and Operating Method
Progress
LED
Display code
Display
status
04_Confirm
quantity of indoor
units
04/Cb
Display
repeatedly
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.
04/oC
Display
repeatedly
The quantity of indoor unit is 1.
After confirming the quantity of indoor unit, it will enter the next
step 2s later.
05_ Internal
communication of
outdoor unit
05/C2
Display
repeatedly
Communication error between master control and compressor
drive.
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.
05/oC
Display
repeatedly
Communication between the master control of outdoor unit
and drive is normal.
After displaying once circularly, the system will enter the next
step automatically.
06_ Component
detection of
outdoor unit
06/ Corresponding
error code
Display
repeatedly
Component error of outdoor unit.
If cooling only unit displays “06”, “bE”, “06” and “b2” circularly,
please refer to “system cooling and heating function setting”
and set corresponding function item of unit to “nC”.
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.
06/oC
Display
repeatedly
No component error of outdoor unit.
After displaying for 10s circularly, the system will enter the
next step automatically.
