Instructions / Assembly

P 10/ 13
R
epair
[4] TROUBLESHOOTING
Check the items from top of the following list. (Description of the item is referred to Circuit diagram in Fig. D-1.)
After corrective action, return to the start of Trouble shooting and check again.
Symptom Cause Corrective action
Check List for Troubleshooting
Motor runs when the machine
is switched on.
(Check by repeating 10 times.)
In case of running inconstantly,
go to “No”.
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Does it read 0.9V ~ 1.3V on the tester?
When a tester cannot be prepared, go to “Yes”.
If your problem cannot be solved although
its corrective action has been carried out.
Connectors are in incomplete
connection.
Connectors are in incomplete
connection.
The machine does
not have any trouble.
Check Lead wires,
or replace them.
Check Terminal,
or replace it.
Check Lead wires,
or replace them.
Battery fuel gauge
lights on.
Rotor is rubbed to
Stator.
Lead wires are broken.
Switch is broken.
Controller is broken.
Stator is broken.
Replace Controller.
Replace Stator.
Replace Rotor.
Replace Sub controller.
Connect them rmly.
Replace Switch.
Connect them rmly.
Replace Controller.Controller is broken.
Controller is broken.
Replace Controller.
Replace Controller.
Terminal is broken.
Rotor is broken.
Switch is broken.
Controller is broken.
Sub controller is broken.
Lead wires are broken.
Replace Switch.
Replace Controller.
Variable control
can be functioned
by trigger.
Air volume/speed
selection can be
functioned by dial.
3 lamps on each
battery fuel gauge
light on.