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R
epair
[4] TROUBLE SHOOT
Flow Chart for Trouble Shooting
[Cordless Tool mode]
Motor runs corresponding
to switch operation,
when 10 times repeat of
ON-OFF action.
Go to “No”, if the motor
runs now and then.
The machine
does not have
any trouble.
Speed can be
changed with
Dial
Yes
Yes
Yes
Motor does not
run in order.
Symptom
Cause
Corrective action
Lead wires are broken.
Lead wires are broken.
Lead wires are broken.
Main switch is broken.
ON-OFF switch is broken.
Controller B is broken.
Sub controller is broken.
Replace Sub controller.
Replace Controller B.
Replace LED circuit
Replace Controller A.
Main switch is broken.
Controller C is broken.
Controller B is broken.
Controller B is broken.
Controllers A, B, C are
broken.
Motor assembly is
broken.
Other mechanical
trouble
Replace Controller B.
Replace Controller B.
Replace Controller C.
Replace Motor
assembly.
Replace Main switch.
Replace Main switch.
Replace ON-OFF switch.
Controller A is broken.
LED circuit is broken.
Replace Controller B.
Replace Controller A.
Replace Controller A.
Yes
Yes
No
No
No
No
No
No effect in spite of
the above management
Check Lead wires,
or replace it.
Check Lead wires,
or replace it.
Check Lead wires,
or replace it.
Check and replace the
broken part
Check them and replace
the broken Controller.
Whenever you find any trouble in your machine, first, refer to this list to check the machine for solution.
All of three Battery capacity warning
lamps are individually ON.
Controller B is broken.
Controller A is broken.
Controller A is broken.
Replace Controller A.
Controller A is broken.
All of three Battery capacity warning
lamps are individually ON.