Troubleshooting - NSK Ultimate XL Operation Manual

15. Troubleshooting

Please check the following points before sending back instruments for repair.
<Unit / Motor>
Trouble
Pilot Lamp does not
light
Control Unit display
"—"and "Setting
Rotation Speed"
alternately.
Foot Pedal
dose not work.
Error code E0
appears.
Error code E1
appears.
Error code E2
appears.
Cause / Check
The power plug is disconnected.
The fuse is blown.
Power Switch is faulty.
Power on the Control Unit
within pressing the Foot Pedal.
The connection of the Foot Pedal
cord plug is loose.
Hand/Foot Selector Switch is set
by HAND.
Maintenance mode (4) "Pd":
Check to see if the Foot Pedal
operates normally.
Turn on the power again.
Turn on the power again.
If you have two or more units,
replace the motor and the motor
cord and check the operation.
The motor cord is disconnected.
If you have two or more units,
replace the motor and the motor
cord and check the operation.
Insert the power plug correctly.
Replace it with a specified fuse. If the
reason the fuse has blown is unknown,
ask for an inspection.
Ask for repair.
Power on the Control Unit without
pressing the Foot Pedal. When it does
not work definitely, take off the Foot
Pedal cord plug from the Control Unit
and Power it on. If it does not operate
correctly, ask for your dealer.
Even after you tried above and the
Control Unit could not operate
normally, contact your dealer for repair.
Connect the Foot Pedal cord plug
correctly.
Set Hand/Foot Selector Switch to
FOOT.
If the Foot Pedal dose not operates
normally, ask for repair of the Foot
Pedal or replace it with a new one.
If the same error code appears, ask for
repair of the Control Unit.
If it operates normally, the error display
is temporarily due to overload, which is
not a problem.
If it operates normally after replacing
the motor and the motor cord, the
motor and/or the motor cord may be
shorted. Ask for repair of the motor
and/or the motor cord. If the same
error code still appears after replacing,
ask for repair of the Control Unit.
Connect the motor cord correctly.
If it operates normally after replacing
the motor and the motor cord, the
motor and/or the motor cord may be
severed. Ask for repair of the motor
and/or the motor cord. If the same
error code still appears after replacing,
ask for repair of the Control Unit.
15
Remedy