Troubleshoot - Makita DVC860L Technical Information

R
epair
[4] TROUBLE SHOOT
Whenever you find any trouble in your machine, first, refer to this list to check the machine for solution.
Note in Repairing
(1) Leave the machine at least 5 minutes after disconnecting from power source,
or removing batteries from the machine to discharge electricity completely from
Controller for protecting worker from electric shock.
(2) Use the full charged battery that has a star mark. (Fig. T-1)
(3) Do the running test each 10 times in Cordless tool mode and A/C tool mode.
(4) Make sure that the voltage of power source corresponds to description of voltage
on the name plate, when making test the machine in AC mode.
(5) When Housing is disassembled, check the conditions of the electrical parts
(Connectors, Lead wires, Switches, Terminals etc.), Motor assembly, etc.
(6) Make operation test both in Cordless tool mode and in A/C tool mode, after repairing.
Flow Chart for Trouble Shooting
[A/C Tool mode]
Symptom
Yes
Motor runs corresponding
to switch operation,
when 10 times repeat of
ON-OFF action.
Go to "No", if the motor
runs now and then.
No
Power lamp
No
(green) is ON.
Yes
Speed can be
No
changed with
Dial
Yes
The machine
does not have
any trouble.
No
Power lamp
(green) is ON.
Yes
No
Motor does not
run in order.
No effect in spite of
the above management
Cause
Lead wires are broken.
LED circuit is broken.
Controller A is broken.
Sub controller is broken.
Controller A is broken.
Lead wires are broken.
Main switch is broken.
ON-OFF switch is broken.
Controller A is broken.
Lead wires are broken.
Main switch is broken.
Controller C is broken.
Controller A is broken.
Other mechanical
trouble
Motor assembly is
broken.
Controllers A, B, C are
broken.
P 28/ 29
Fig. T-1
Star mark
Corrective action
Check Lead wires,
or replace it.
Replace LED circuit
Replace Controller A.
Replace Sub controller.
Replace Controller A.
Check Lead wires,
or replace it.
Replace Main switch.
Replace ON-OFF switch.
Replace Controller A.
Check Lead wires,
or replace it.
Replace Main switch.
Replace Controller C.
Replace Controller A.
Check and replace the
broken part
Replace Motor
assembly.
Check them and replace
the broken Controller.