16
17
<Handpiece>
Trouble
Cause / Check
Remedy
The handpiece does
not run with the
chuck tightened.
Heat is generated
during rotation.
Vibration or noise
occurs during rotation.
Runout of the bur is
heavy.
The bur comes out
Entry of foreign matter in the ball
bearings or seizure.
Entry of foreign matter in the ball
bearings, causing wear of the bearings.
Same as the above.
A bent bur is used.
Dust may be stuck in the chuck or
spindle.
The chuck is worn.
The ball bearings are worn.
The chuck is loose.
Send it to your dealer. Ask for
repair.
Same as the above.
Same as the above.
Replace the bur.
Clean the inside of the chuck and
spindle.
Replace the chuck.
Send it to your dealer.
Tighten the chuck securely. (See
12. Handling of Motor and
Handpiece.)
Trouble
Cause / Check
Remedy
The motor and handpiece do not run, or Reset Lamp lights.
Trouble
Cause / Check
Remedy
The rotation speed
does not rise.
The air turbine does
not rotate.
English
Error code E9
appears.
Error code EF
appears.
If you have two or more units,
replace the motor cord and
check the operation.
Maintenance Mode (3) “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.
The connector of the turbine
adapter is disconnected.
The tube connected to the air line
kit is bent or pinched.
The turbine adapter is faulty
and/or the Ultimate XL-K/D is
faulty.
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.
Check the connector of the turbine
adapter, and re-insert it correctly.
Check the tube to the air line, and flow
the air.
Ask for repair of the turbine adapter
and/or the Ultimate XL-K/D unit.
Ask for repair of the turbine adapter
and/or the Ultimate XL-K/D unit.
The motor and handpiece do not run,
or Reset Lamp lights.
Error code E3
appears.
Error code E4
appears.
Error code E5
appears.
Error code E6
appears.
Error code E8
appears.
The motor cord is disconnected.
Maintenance mode (3) “HL”:
Confirm whether you work by a
motor signal check normally.
The chuck is open.
Check turning a tip with a finger
lightly and turning around it
lightly.
After stopping to cool it down
place for about 10 minutes,
check the operation again.
Vacuum-coupled Mode is on,
while the dust collector is not
used.
Turn on the power again, and
repeat starting and stopping
several times.
The chuck is open.
Check turning a tip with a finger
lightly and turning around it
lightly.
Maintenance mode (3) “HL”:
Confirm whether you work by a
motor signal check normally.
Turn on the power again.
If you have two or more units,
replace the motor cord and
check the operation.
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.
Lock the chuck.
If the rotation is abnormal, ask for
repair of the motor and handpiece.
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.
Make the Vacuum-coupled Mode to
be off. See Vacuum-coupled Mode
section in the manual.
If it operates normally, there is no
problem. If the same error code
appears, ask for repair of the unit.
Lock the chuck.
If the rotation is abnormal, ask for
repair of the motor and handpiece.
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.
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.