Advertisement
Error codes
Error
Code Status
Cause
1. One or more hall sensors defective
"1E"
Motor sensor error
2. The Motor Cord is unplugged or defective.
3. The Motor Cord is broken.
1. The Collet Chuck is opened.
"2E"
Motor lock error
2. The Motor Handpiece is mechanically defective.
3. The Motor Handpiece is electrically defective.
"4E"
Motor overvoltage
1. The circuit of the Control Unit is defective.
detection error
1. The Control Unit has been operated under a high load condition
for too long a time.
"5E"
Overheat error
2. The Control Unit has been exposed to an excessively
warm environment (more than 100
3. Air openings are blocked.
4. Temperature sensor is defective.
"6E"
Overload error
1. The motor Handpiece was operated under an overload condition,
or was stalled by jamming the bur into the work.
"7E"
Control Circuit
1. The circuit of the Control Unit is defective.
Board error
Recommended Approximate Bur Speeds
50,000
Rotation Speed – RPMs
45,000
40,000
35,000
30,000
25,000
20,000
15,000
10,000
5,000
0
"
Accessory
more than 1
1
⁄
1"
3/4"
2
Diameter
(40mm)
(28– 40mm)
(18 – 28mm)
See Maximum Speed Rating by Bur Manufacturer
Allowable Rotation Speed
The chart is a general guide for the maximum rotation speed of conventional burs. The allowable
rotation speed can be slightly different, depending on bur materials or types.
.)
ºF
1/4"
1/8"
3/32"
less than 3/32"
(8– 18mm)
(4 – 8mm)
(2 – 4mm)
(less than 2mm)
8
Troubleshooting
NOTE: When an error reading is displayed, turn off the power switch for a few seconds and then turn it on again. If
"5E" is displayed wait for about ten minutes. If the error reading re-appears, follow the Troubleshooting Chart below.
Trouble
Check Points
Make sure that the Power Cord is correctly
Power
plugged into the outlet and the control unit.
Lamp
Does Not
Check if the fuse is blown.
Light
Make sure Power Switch is working properly.
"1E"
Make sure Motor Cord is plugged in properly.
displayed
"2E"
Check if the Collet Chuck is open.
displayed
"4E"
The circuit of the Control Unit is defective.
displayed
Check if the Control Unit has been used at a
high load and for a long time.
"5E"
displayed
Motor
Check for high workplace temperature.
Does
Not
Check control air openings for blockage.
Run
Temperature sensor is defective.
Check if the Control Unit has been excessively
used under a high load condition.
"6E"
displayed
Check if the Collet Chuck is open.
Make sure the shaft of the Motor Handpiece
can rotate freely.
The circuit of the Control Unit is defective.
"7E"
displayed
Check if Foot Pedal Cord is properly plugged in. Plug in the Foot Pedal Cord correctly.
Foot Pedal
Does Not
The Hand/Foot Selector Switch is set to "Hand". Set the Hand/Foot Selector Switch to "Foot".
Work
Foot Pedal still does not work.
Handpiece over-
heats or is noisy
The ball bearings are defective.
while operating
at no load
Make sure that the Collet Chuck is free of dirt.
Motor
The rotation speed is too high.
Vibrates
Excessively
and is
Check if the bur shaft is bent, or bur is out
Unusually
of round or unbalanced.
Noisy
Make sure that the ball bearings are in
good condition.
Caution: Repairs should be performed only by qualified personnel.
Corrective Actions
Correctly plug in the Power Cord.
Replace only with the recommended fuse. If
the fuse blows again, repair or replace the unit.
Replace the Power Switch.
Correctly plug in the Motor Cord. If error code
continues, replace the Motor Cord.
If open, close the Collet Chuck. If error code
continues, repair or replace the handpiece.
Repair or replace.
Turn off the Power Switch for about 10 mins.,
then restart the Control Unit. If error code
continues repair or replace the control unit.
If too warm, move the Control Unit to a loca-
tion with an indoor temperature of 32~100ºF.
Unblock air opening.
Replace the sensor.
Press the Auto Cruise Switch or turn off, then
press the Motor On/Off Switch. If error code
continues, repair or replace Control Unit.
If open, close it by turning the Chuck Handle.
If it cannot be rotated with the chuck closed,
the spindle of the Motor Handpiece is defec-
tive. Repair or replace it.
Turn off the Power Switch for about 10 mins.,
then restart the Control Unit. If error code
continues repair or replace the control unit.
Repair or replace it.
Repair the Motor Handpiece.
Thoroughly clean the Collet Chuck.
Reduce the rotation speed. Refer to
Allowable Rotation Speed chart.
Replace with a new bur.
Repair or replace the Motor Handpiece.
9
Advertisement
