Makita DUC256 Repair Manual page 32

(Continued to previous page)
The machine shows same symptom in spite of the
above corrective actions.
*1: When the mode lamp blinks in green, the thick branch mode is prohibited. In this case, follow the next and check.
[1] Replace both 18V batteries with fully charged and check them again.
[2] If the green blinking does not disappear after replacing both 18V batteries with fully charged, change the batteries to 14. 4V (Voltage
does not matter) and turning on the power lamp in green. Then turn off the power lamp, replace the battery with a fully charged 18V
battery and check again.
If the thick branch mode is prohibited even after carrying out [1] and [2], replace Controller.
Three lamps of
Battery fuel gauge
on each Battery
light up.
No
Yes
Rub marks on
Rotor.
No
Yes
32 / 32
Lead wires are broken.
Controller is broken.
Stator is broken.
Controller is broken.
Rotor is broken.
Stator is broken.
Replace Controller.
Check Lead wires or replace
them.
Replace Controller.
Replace Stator.
Replace Controller.
Replace Rotor.
Replace Stator.