P 18/18
R
epair
[4] TROUBLE SHOOT
Symptom
Cause
Corrective action
Check List for Trouble Shooting 1
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 re-check again.
When you test with Digital tester (1R402),
the proper value is obtained. (Refer to the next page.)
In case the tester is not ready, go to “Yes”
Yes
Yes
Lamp (a) is ON.
See “Lamps on the
Handle set”.
Yes
Yes
Yes
No
No
Lamps on the Handle set
LED Job light
is ON.
The machine does not
have any trouble.
LED Job light
is ON.
Unusual behavior occurs during work./
Rotor is rubbed Stator complete.
Motor runs when the machine
is switched on.
Try 10 times. In case of running
inconstantly, go to “No”.
If your problem cannot be solved although
its corrective action has been carried out.
Yes
Yes
Yes
No
No
No
No
No
All of Lamps (b), (c),
(d) are ON.
See “Lamps on the
Handle set”.
No
All of Lamps (b), (c),
(d) are ON.
See “Lamps on the
Handle set”.
Replace Stator complete.
Replace Stator complete.
Controller is broken.
Controller is broken.
Controller is broken.
Controller is broken.
Replace Stator complete.
Replace Stator complete.
Replace Stator complete.
Controller is broken.
Replace Stator complete.
Replace Rotor.
Check the condition of
engagement of Gears, Rotor.
Mechanical problem happens.
Connectors are in incomplete
connection.
Connect them firmly.
Connectors are in incomplete
connection.
Connect them firmly.
Connectors are in incomplete
connection.
Connect them firmly.
Lead wires are broken.
Check Lead wires,
or replace it.
Lead wires are broken.
Check Lead wires,
or replace it.
Connectors are in incomplete
connection.
Connect them firmly.
Lead wires are broken.
Check Lead wires,
or replace it.
Replace LED light
circuit.
LED Light circuit is broken
Lead wires are broken.
Check Lead wires,
or replace it.
Replace LED light
circuit.
LED Light circuit is broken
Rotor is broken.
Stator is broken.
Switch is broken.
Replace Switch.
Switch is broken.
Replace Switch.
Replace Stator complete.
Switch is broken.
Replace Switch.
Terminals are broken.
Check Terminal,
or replace it.
(a): Mode lamp (green)
If Green lamp is ON, the machine is
automatically set to High Torque mode.
(b),(c), (d): Lamp of Power remaining
Controller is broken.
