Stroubleshooting - Nakanishi Emax Evoluion Operation Manual

STroubleshooting

When trouble is found, please check the following prior to consulting your dealer.
Control Unit and Motor
Trouble
Speed Display does not light
"Speed Display " and "Set Rotation
Speed" is displayed repeatedly.
Foot Pedal dose not
work.
Error code E0 appears.
Error code E1 appears.
Error code E2 appears.
Error code E3 appears.
Error code E4 appears.
Error code E5 appears.
Error code E6 appears.
Error code E8 appears.
Error code E9 appears.
Error code EF appears.
The rotation speed does not
rise.
13
Cause/Check
The power plug is disconnected.
The fuse is blown.
Power Switch is faulty.
Put the power switch, depressing the
foot pedal ?
The connection of the foot control cord plug is loose.
Maintenance mode (4) "Pd": Check to
see if the foot control operates normally.
Turn on the power again.
Turn on the power again.
If you have two or more units, replace
the motor 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.
The motor cord is disconnected.
Maintenance mode (3) "HL": Confirm
whether you work by a motor signal
check normally.
After stopping to cool it down place for
about 10 minutes, check the operation
again.
Turn on the power again, and repeat
starting and stopping several times.
The chuck is open.
Maintenance mode (3) "HL": Confirm
whether you work by a motor signal
check normally.
Check turning a tip with a finger lightly
and turning around it lightly.
Turn on the power again.
If you have two or more units, replace the
motor cord and check the operation.
If you have two or more units, replace the
motor cord and check the operation.
Maintenance Mode (4) "Pd": Check
whether Foot Pedal operates normally
by Foot Pedal Chuck.
The maximum rotation speed for operation by foot
pedal should be set with the Speed Control Knob.
Remedy
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.
Put the power switch again without depressing the foot pedal.
When the trouble is repeated if so, put out the plug of foot pedal and
reset the power switch. Then the trouble is repeated, ask for repair.
Connect the foot control cord plug correctly.
If the foot control dose not operates normally, ask for
repair of the foot control or replace it with a new one.
If the same error code appears, ask for repair of the 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 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 unit.
Connect the motor cord correctly.
If any problem is found during a check, the motor cord
may be severed or the sensor in the motor may be faulty.
Ask for repair.
If it operates normally, there is no problem. Check the operating
environment, storage location, etc., for high temperature. If the
same error code appears frequently, ask for repair of the unit.
If it operates normally, there is no problem. If the same
error code appears, ask for repair of the unit.
Lock the chuck. If any problem is found during a check, the motor cord
may be severed or the sensor in the motor may be faulty. Ask for repair.
If any problem is found during a check, the motor cord
may be severed or the sensor in the motor may be faulty.
Ask for repair.
If the rotation is abnormal, ask for repair of the motor and
handpiece.
Error indication is a temporary thing by the overload if I
work normally. There is not it abnormally.
If it operates normally after replacing 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 the motor cord, ask for repair of the unit.
If it operates normally after replacing 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 the motor cord, ask for repair of the unit.
If it does not operate normally, change the Foot Pedal for
new or ask for repair.
Set the maximum rotation speed with the Speed Control
Knob.