Saeyang MINI CRO Manual

Portable control box & Micro-motor
※Please be sure to read this manual before operation.
1. Precaution
Install the unit at your workplace and do not use in a dirty or very hot and humid
environment.(-20℃~ 40℃, 0-90% RH)
Please take care not to drop the handpiece or drill unit. This will result in damage
to ball bearing and will affect the durability of the motor.
Please do not allow water or other liquids to spill onto and into all units.
After replacing a bur, please make sure to close the chuck handle.
Do not open the chuck handle while the handpiece is in operation.
While the handpiece is not in operation, it is recommended to leave a drill bit (bur)
inserted into the chuck after cleaning
MINI cro is a professional use only device, for use by professionals only.
Warning about battery usage
The battery is a Li-ion rechargeable battery(consumable goods)
Battery lifetime is limited and depends on working conditions.
Please dispose used batteries in accordance with the national and local laws.
2. Features
Max speed : 30,000 RPM
Run-time
SDE-MH20(30K), SDE-SH300
SDE-MH20
SDE-H200
Charging time : 3 hrs.
Speed control
Forward / Reverse rotation
Overload protection
Use with the standard bit
3. Part introduction
Front view Side view
④
② ③
Control box
Handpiece
Handpiece stand
Control box stand (optional)
Adaptor
Clip(optional)
Handpiece holder (optional)
30,000 RPM 10hrs, 4hrs
20,000 RPM 9hrs
30,000 RPM 6hrs
Back view
Clip Type Standard type
(Optional)
⑤ ⑥ ⑦
Front panel
Power on/off & speed control Knob
Charge display LED
Speed display LED White >> Sky Blue >> Blue >> Pink
(low speed)
Pause button
Forward/Reverse switch
Handpiece connector
4. Installation & Operation
4-1. Battery charging
1) Connect the DC plug to the adaptor connector of control box.
2) The CHG LED lights up RED while the battery is charging, and the CHG LED
lights up GREEN when charging is complete
To prevent from overheating, please be sure to separate the adaptor from the
control box. Also,please avoid operating the unit during charging hours.
When charging, please make sure to use the original charge adapter and
power cord.
4-2. Operation by Hand
1) Connect the handpiece to a control box.
2) Turn the power on / off & speed control knob to the right SPEED LED turns
white and power is on.
3) Turn the Power on/off & speed control knob to the left or right to use the
minimum and maximum rpm.
4) Forward / Reverse can be selected using Forward / Reverse switch
4-3. Pause Funtion
1) If you press the Pause button during handpiece operation, the operation
of the handpiece is temporarily stopped.
2) Press the Pause button again to start the handpiece operation.
5. Bur(Bit) insertion and removal
(1) To remove a bur, please turn a chuck handle clockwise until it clicks to stop, and
then pull out the bur.
(2) To insert the bur, please turn the chuck handle counterclockwise until it clicks to
stop.
(3) Please be sure not to use bent, asymmetrical or damaged burs. Always use stand-
ard burs.
6. Safety protection system
6-1. Overload protection function
: During overload, the speed display LED turns red and flashes, and the current
is cut off. Turn the knob to the left to turn off the power or press the pause
button, release the cause of the overload, then turn the power on or release
the pause to use again.
Loose connection of a
motor cord with the motor
connector of control box.
Although a control
Defect in the motor cord.
box is fully charged,
a handpiece fails to
run.
Worn carbon brushes.
Trouble in the motor part.
Overloaded or a chuck is open i
Motor stops suddenly
in operation.
while in use.
In case any malfunction is found, consult with an official dealer.
(high speed)
Correctly plug the motor cord to the
motor connector of control box.
Replace the motor cord.
Replace the carbon brushes.
Check the motor and repair if the
motor has a problem
See No.6 Safety protection system.
Check the chuck and close the chuck.