Sirona SUROTorque L+ Operating Instructions Manual

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Motor Speed

Gear Ratio

1 2

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3

SIROTorque L

+

BL

BL ISO

Sirona Dental Systems GmbH

Operating Instructions / Notice d'utilisation SIROTorque L

+

60 52 208 D 3489

2 D 3489.201.01.03.07

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Motor Speed

Gear Ratio

1 2

Endo

3

SIROTorque L

+

BL

BL ISO

General information Sirona Dental Systems GmbH

Operating Instructions SIROTorque L

+

60 52 208 D 3489

2 D 3489.201.01.03.02

 General information

Dear customer, Thank you for purchasing a SIROTorque L

+

unit from

Sirona.

The technical documentation supplied is also part of the

product. You should always keep this documentation

within reach.

Please read these operating instructions carefully to

familiarize yourself with your SIROTorque L

+

.

Please observe also the Operating Instructions of the

corresponding electric motor and of the straight and

contra-angle handpieces.

If, having carefully studied the operating instructions,

you are nevertheless unable to proceed, contact your

local dental depot.

Your SIROTorque L

+

and Instruments Team

Sirona Dental Systems GmbH Contents

Operating Instructions SIROTorque L

+

60 52 208 D 3489

D 3489.201.01.03.02

3

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 Contents

1 Warning and safety information ................................................................................ 5

2 Technical description ................................................................................................. 7

3 Controls and functional elements ............................................................................. 9

4 Installing and connecting the unit............................................................................. 10

5 Operation ..................................................................................................................... 13

6 Error messages ........................................................................................................... 18

7 System information..................................................................................................... 19

8 Cleaning and care ....................................................................................................... 20

9 Key assignment overview .......................................................................................... 22

10 Troubleshooting .......................................................................................................... 23

Contents Sirona Dental Systems GmbH

Operating Instructions SIROTorque L

+

60 52 208 D 3489

4 D 3489.201.01.03.02

Sirona Dental Systems GmbH 1 Warning and safety information

Operating Instructions SIROTorque L

+

60 52 208 D 3489

D 3489.201.01.03.02

5

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1 Warning and safety information

Intended use The SIROTorque L

+

was developed for the purpose of

converting the compressed air emitted by a dental treat-

ment center into electrical energy. A dental handpiece

can be powered by this energy. The electric motor of the

SIROTorque L

+

(motor BL (4) or motor BL ISO (5))

replaces the air drive port (for highspeed handpieces or

air-driven motors) previously used on the dental treat-

ment center.

Implantology is not permisible!

Endodontics are permissible only in connection

with a SIRONiTi contra-angle handpiece!

SIROTorque L

+

complies with the latest regulations

reflecting the current state of the art. According to the

regulations, this product may only be used for the

described application by trained personnel, in compli-

ance with the applicable occupational safety regulations

and accident prevention measures as well as the

present operating instructions.

According to these regulations, users are obliged to use

only faultless materials, to ensure correct application

and to protect themselves, the patient and other persons

against hazards.

This unit is not intended for operation in areas subject

to explosion hazards.

General safety information As manufacturers of dental medical equipment and in

the interest of the operational safety of your system, we

stress the importance of having maintenance and

repair of this product performed only by Sirona Dental

Systems or by agencies expressly authorized by Sirona

Dental Systems. Furthermore components must always

be replaced with original spare parts upon failure.

When having such work done, we suggest that you

request

a certificate stating the type and extent of work

performed, including

information about any modifica-

tions of the rated parameters or of the operating ranges

(if applicable), as well as the date, name of organization

and signature.

Modifications to this system which might affect the safety

of the system owner, patients or other persons are pro-

hibited by law!

For reasons of product safety, this product may be oper-

ated only with original Sirona accessories or third-party

accessories expressly approved by Sirona. The user is

responsible for any damage resulting from the use of

non-approved accessories.

1 Warning and safety information Sirona Dental Systems GmbH

Operating Instructions SIROTorque L

+

60 52 208 D 3489

6 D 3489.201.01.03.02

It is not permitted to modify the design or construction of

the unit.

The system owner is obliged to use only technically

faultless products. Prior to engaging the system into ser-

vice, its proper functioning must be checked. In case of

unusual noises, please check the unit, electric motor and

straight/contra-angle handpiece.

The unit is not sterile.

Please observe the operating instructions for the rele-

vant electric motors.

NOTE

i

When the supply voltage drops for a moment, you must

reckon with a brief speed reduction.

Wireless phone interference with dental electrical

equipment

To ensure safe operation of medical electrical equip-

ment, the use of mobile wireless phones in practice or

hospital environments must be prohibited.

Highlighting of warning and safety information To avoid personal injury and material damage, you must

also observe the warning and safety information pro-

vided in the present operating instructions. All such infor-

mation is highlighted by the signal words NOTE,

CAUTION or WARNING.

Symbols used Observe accompanying documents!

Disposal It generally applies that any disposal of this product must

comply with the relevant national regulations.

Please observe the regulations applicable in your coun-

try.

Within the European Economic Community, Council

Directive 2002/96/EU (WEEE) requires environmentally

sound recycling/disposal of electrical and electronic

devices.

Your product is marked with the adjacent symbol.

Disposal of your product with domestic refuse is not

compatible with the objectives of environmentally sound

recycling/disposal.

The black bar underneath the "garbage can" symbol

means that it was put into circulation after Aug. 13, 2005

(see EN 50419:2005).

Please note that this product is subject to Council

Directive 2002/96/EU (WEEE) and the applicable

national law of your country and must be recycled or dis-

posed of in an environmentally sound manner.

Please contact your dealer if final disposal of your prod-

uct is required.

The unit must be disinfected prior to disposal!

CAUTION According to US Federal Law, this product may be sold

only to or by instruction of dentists, general medical

practitioners and medical specialists.

i

Sirona Dental Systems GmbH 2 Technical description

Operating Instructions SIROTorque L

+

60 52 208 D 3489

D 3489.201.01.03.02

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2 Technical description

Model designation SIROTorque L

+

Transformer primary voltage 120 V∼ 50/60 Hz 120 V~ 60 Hz 230 V∼ 50 Hz

TIYM 24 - 02 M TDYN - 01 M TIYE 24 - 02 M

100 VA 75 VA 100 VA

Transformer secondary voltage 24 VAC

Cooling air pressure Nominal operating pressure: 44 psi (3 bar),

maximum operating pressure: 73 psi (5 bar)

depending on control pressure

ISO 4-hole connection

Cooling air consumption Depending on control pressure (min. 18 NL/min,

at nominal operating pressure of 44 psi (3 bar))

Spray air pressure 2.7 + 0.1 bar

Spray water 2 + 0.1 bar, min. 100 ml/min

Air requirements Dry, oil-free, dirt-free, not contaminated.

If necessary: Use compressor with dry air system, install

air filter (50 µ), blow through hoses before connnecting

them.

Water requirements The spray water must be dirt-free according to the appli-

cable regulations. It must not be contaminated.

Operating conditions Ambient temperature: 50 °F – 104 °F (10 °C – 40 °C)

Relative humidity: 30 % – 75 %

Air pressure: 700 hPa – 1060 hPa

Transport and storage conditions Temperature: -40 °F – 158 °F (-40 °C – +70 °C)

Relative humidity: 10 % – 95 %

Air pressure: 500 hPa – 1060 hPa

Protection class Protection class I

Degree of protection against electric shock Type B applied parts

Degree of protection against ingress of water Ordinary equipment (not protected)

Mode of operation Intermittent operation 60 s, 10 min pause

(“INT 1/10 MIN“)

Dimensions Width: 150 mm, depth: 130 mm, height: 70 mm

Weight (without electric motor and hose) approx. 560 g

Weight of transformer approx. 2300 g

Year of manufacture (on rear side of unit)

OMuu

2 Technical description Sirona Dental Systems GmbH

Operating Instructions SIROTorque L

+

60 52 208 D 3489

8 D 3489.201.01.03.02

Tests/approvals This unit is intended exclusively for operating electric

motors approved by Sirona. This applies to: BL motor

and BL ISO motor

Sirona Dental Systems GmbH 3 Controls and functional elements

Operating Instructions SIROTorque L

+

60 52 208 D 3489

D 3489.201.01.03.02

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3 Controls and functional elements

1. SIROTorque L

+

supply unit

2. Control panel

3. Supply hose for BL or BL ISO electric motor

4. BL electric motor

5. BL ISO electric motor

6. Supply hose of an air-driven instrument

(highspeed handpiece, air motor) of the

treatment center

7. Connecting cable to transformer

8. Connection piece for electric motor hose

9. Connection piece for highspeed handpiece or air

motor hose from treatment center

10. ON/OFF switch (only for a part of the unit)

11. Connection piece for transformer cable

12. Transformer with connecting cable to

SIROTorque supply unit

13. Power cable for transformer

14. Keys for setting motor speed higher (+)

or lower (–)

15. Burr speed digital display

16. Motor speed digital display

17. Gear ratio digital display for straight/

contra-angle handpiece being used

18. Counterclockwise motor rotation symbol

(flashes)

19. Instrument light "ON" symbol

20. Keys for setting gear ratio of straight/

contra-angle handpiece higher (+) or lower (–)

21. Key for instrument light ON/OFF

22. "Reverse" key for counterclockwise rotation of

motor

23. Four colored save keys for presettings of

differently colored straight/contra-angle

handpieces

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

5

Sirona Dental System

sGmbH

Fabrikstraße

31

D-64625

Bensheim

Germ

any

Sirona

Dental

Systems

GmbH

Fabrikstraße

31

D-64625

Bensheim

Germany

TIYE24-02M (230V)

TIYE24-02M

(230V)

TIYM24-02M (120V)

TIYM24-02M

(120V)

0123

1

2

3 64

5

7

3

6

7

8

9

13

14 15 16 20 21 22

12

18 2319

10

11

17

4 Installing and connecting the unit Sirona Dental Systems GmbH

Operating Instructions SIROTorque L

+

60 52 208 D 3489

10 D 3489.201.01.03.02

4 Installing and connecting the unit

The SIROTorque L

+

was developed for the purpose

of converting the compressed air emitted by a dental

treatment center into electrical energy. A straight/con-

tra-angle dental handpiece can be powered by this

energy. The electric motor of the SIROTorque L

+

(motor BL (4) or motor BL ISO (5)) replaces the air drive

port (for highspeed handpieces or air-driven motors)

previously used on the dental treatment center.

It is connected and controlled solely via the hose cou-

pling (6a) of the air-driven instrument.

Control is effected by means of the pneumatic foot

switch (A) which is available on the unit side. Power

is supplied by an external transformer (12).

Site of installation

Mount the SIROTorque L

+

(1) at an easily accessible

location on top of or adjacent to the dentist element of

the treatment center.

Be sure to choose the installation site of the

SIROTorque L

+

so that the SIROTorque L

+

can easily be

connected to the dentist element with the previously

used highspeed handpiece or air motor hose (6).

Ensure that the unit has a safe and stable stand.

Connection

Detach the highspeed handpiece, quick coupling or air

motor used until now from the supply hose and plug con-

nection piece (6a) into the four-hole connection (9) on

the rear side of the unit.

ATTENTION

With a 5-hole hose, remove the lamp from the hose prior

to operation.

Fit the electric motor hose (3) to the connection piece (8)

on the rear side of the SIROTorque L

+

. Attach the corre-

sponding electric motor to the motor hose (see Operat-

ing Instructions of motor). Place the motor in the holder

on the dentist element which was previously occupied by

the air-driven instrument.

Connect the connector of the transformer connecting

cable (7) to the connection piece (11) of the

SIROTorque L

+

.

Plug the power cable (13) into the transformer.

All cables must be safely routed, avoid stumbling

hazards!

Plug the transformer power plug into a grounded socket

outlet.

Do not use any transformer other than the one approved

and supplied by Sirona, i.e. TIYM24-02M (120 V) or

TDYN-01M (120V) or TIYE24-02M (230 V)!

5

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Sirona

Dental

Systems

GmbH

Fabrikstraße

31

D-64625

Bensheim

Germany

TIYE24-02M

(230V)

TIYE24-02M

(230V)

TIYM24-02M

(120V)

TIYM24-02M

(120V)

0123

1

3

4

12

5

6

6a

9

A

8

3

7

11

13

Sirona Dental Systems GmbH 4 Installing and connecting the unit

Operating Instructions SIROTorque L

+

60 52 208 D 3489

D 3489.201.01.03.02

11

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Supplementary notes for installing

SIROTorque L

+

The connecting cable (7) between the transformer (12)

and the SIROTorque L

+

(1) must be run in such a way

that it can not be damaged by moving appliances such

as chairs with wheels, carts, etc.:

• Place the transformer (12) directly next to the supply

unit (C).

• Run the connecting cable (7) so that it does not

touch the floor anywhere. To do this, use the

adhesive cable clamps (D) supplied.

• Run the connecting cable (7) in such a way that it

cannot be damaged at the supply unit.

• Install the power cable (13) of the transformer as

required by the relevant national regulations.

Satellite version

Upon your request, the supplied SIROTorque L

+

table-

top unit may be converted to a "satellite version" by your

service engineer.

Conversion kit, Order No: 60 57 223

In this version, the control panel is separated from the

SIROTorque L

+

tabletop unit and is connected to the

latter by a permanently wired cable having a length of

approx. 3 m.

The control panel (A) can be fastened at a place that is

easily accessible for the user, e.g. in the control panel

front area, either with screws (from the top) or with the

Velcro strap included in the scope of supply (from the

front).

Fastening of the control panel is done at your own risk,

make sure not to damage any cables etc. with the

screws.

The SIROTorque L

+

supply unit (B) can be installed

e.g. below the dentist element.

Establish all connections as described under

"Connection".

ATTENTION

Repair and maintenance work on the SIROTorque L

+

must be performed only by properly trained service engi-

neers. Before opening the housing, pull the power plug or

disconnect all poles from the power supply so as to deen-

ergize the unit. Wait for at least 10 seconds.

The compressed air delivered by the highspeed hand-

piece or air motor hose must be dry, oil-free and dirt-free.

It must not be contaminated!

If necessary, install a filter or water separator.

The spray water must be dirt-free according to the appli-

cable regulations. It must not be contaminated.

5

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Sirona

Dental

Systems GmbH

Fabrikstraße

31

D-64625

Bensheim

Germany

T

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2

4

-0

2

M

(2

3

0

V

)

TIYE24-02M

(230V)

T

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M

2

4

-0

2

M

(1

2

0

V

)

TIYM24-02M

(120V)

0123

120V/60Hz

A

B

7

C

12

1

D

13

4 Installing and connecting the unit Sirona Dental Systems GmbH

Operating Instructions SIROTorque L

+

60 52 208 D 3489

12 D 3489.201.01.03.02

Connecting the BL or BL ISO electric motor

Connection to the supply hose

Push back the cap nut (1) and insert the small tubes and

contact pins of the motor in the supply hose coupling (2)

as far as they will go.

The arrow on the hose coupling must line up with the

notch on the motor (A).

Make sure that the pins and small tubes are inserted

properly (i.e. are not bent).

First press the cap nut (1) gently onto the thread; then

turn it counterclockwise until a faint click can be heard.

Only then should you screw it onto the motor hand-tight.

Adjusting the cooling spray

BL motor

The cooling spray is adjusted with the control ring (3).

The maximum water flow rate is set when the

two marks (4) are lined up opposite each other.

BL ISO motor

The cooling spray is set with the rotating sleeve (5) at the

rear of the hose coupling.

The threshold arrow (6) shows the direction of rotation

for increasing or decreasing the cooling spray.

ATTENTION

During preparation work, a sufficient amount of cooling

media (water component > 50 ml/min) must always be

available. Insufficient cooling leads to overheating of the

cavity and to damage to the tooth substance.

Please always make sure that the flow rate is

sufficient!

12

1

BL motor

BL ISO motor

A

2

max

3

4

5

6

BL motor

BL ISO motor

Sirona Dental Systems GmbH 5 Operation

Operating Instructions SIROTorque L

+

60 52 208 D 3489

D 3489.201.01.03.02

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5 Operation

ATTENTION

Make sure that the compressed air is always dry, clean

and not contaminated. Dirty or humid compressed air

leads to premature wear of the motor.

Permissible speed range: 90 – 40,000 rpm

The compressed air emitted at the highspeed handpiece

hose connection piece should have a pressure of

at least 44 psi (3 bar) to enable the electric motor to

reach its maximum speed.

ATTENTION

The displayed speed is an approximate value. The actual

speed may differ from the displayed speed.

If you need an accurate speed, you should operate the

motor at a speed close to 40,000 rpm and use the corre-

sponding contra-angle handpieces.

e.g. desired speed: 347 rpm.

– Set motor to 40,000 rpm.

– Use reduction gear instrument (115 : 1).

Switching the unit on

with the ON/OFF switch (10) on the rear side of the unit.

The display lights up and the settings of the last hand-

piece used appear (even if they deviate from the stored

values).

ATTENTION

This unit offers a higher power output than a highspeed

handpiece. You should practice treatment on a phantom

element before using it on a patient.

5

Sirona

D

ental System

sG

m

bH

Fabrikstraße

31

D-64625

Bensheim

G

erm

any

Sirona

Dental

Systems

GmbH

Fabrikstraße

31

D-64625

Bensheim

Germany

TIYE24-02M (230V)

TIYE24-02M

(230V)

TIYM24-02M (120V)

TIYM24-02M

(120V)

0123

10

5 Operation Sirona Dental Systems GmbH

Operating Instructions SIROTorque L

+

60 52 208 D 3489

14 D 3489.201.01.03.02

Setting the gear ratio

Attach the selected straight/contra-angle handpiece to

the motor.

ATTENTION

Be sure to compare the gear ratio of the straight/

contra-angle handpiece you're using with the

"Gear Ratio" display reading. If these two values are not

identical, the burr speed display reading is not correct,

since it is calculated by multiplying the motor speed by

the gear ratio.

Set the gear ratio of the attached straight/contra-angle

handpiece with the +/- keys (20).

This is also possible when the motor is running.

Preselection of the gear ratio occurs in the following

order. The most popular straight/contra-angle hand-

pieces appear first

(A). Then additional possible

straight/contra-angle handpieces are displayed from

1:0.5 to 199:9

(B).

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

20

1:1

1:4.2

1:5

2.4 : 1

6:1

24 : 1

115 : 1

1:0.5

1:1

1:1.5

1:2

1:2.5

1:3

–

1:9

1:9.5

1.5 : 1

1.5 : 1.5

1.5 : 2

1.5 : 2.5

1.5 : 3

–

1.5 : 9.5

2:1

2:1.5

2:2

–

2:9.5

–

10 : 1

10 : 1.5

10 : 2

10 : 2.5

–

11 : 1

11 : 2

11 : 3

11 : 4

–

11 : 9

12 : 1

12 : 2

12 : 3

12 : 9

–

199 : 1

199 : 2

199 : 3

–

199 : 9

A

B

–

+

Sirona Dental Systems GmbH 5 Operation

Operating Instructions SIROTorque L

+

60 52 208 D 3489

D 3489.201.01.03.02

15

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Recalling stored handpiece settings

The unit has four save keys (23)

Red – Gear ratio, save key 1

Blue – Gear ratio 1:1, save key 2

Green – Reduction ratio, save key 3

Endo contra-angle handpiece – Endo save key (black)

After the respective save key (23) is briefly pressed, the

corresponding stored settings are recalled and shown

on the display.

The following values and settings are stored in the save

keys at the factory:

Save key 1 (red):

Burr speed 200,000 rpm

Motor speed 40,000 rpm

Gear ratio 1:5

Instrument light ON

Save key 2 (blue):

Burr speed 40,000 rpm

Motor speed 40,000 rpm

Gear ratio 1:1

Instrument light ON

Save key 3 (green):

Burr speed 1,000 rpm

Motor speed 6,000 rpm

Gear ratio 6:1

Instrument light ON

Endo save key (black):

Burr speed 347 rpm

Motor speed 40,000 rpm

Gear ratio 115:1

Instrument light OFF

If the foot switch is actuated while the straight/con-

tra-angle handpiece is removed from its holder, the elec-

tric motor starts running. At the same time, the actual

motor speed and burr speed as well as the preselected

gear ratio of the handpiece being used are shown on the

display.

If the pedal is pressed to the floor, the maximum

programmed speed is then displayed and attained.

If the air supply can be variably adjusted with the foot

switch, the speed and the displayed speed value will

also vary between the minimum and the programmed

maximum speed.

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

23

5 Operation Sirona Dental Systems GmbH

Operating Instructions SIROTorque L

+

60 52 208 D 3489

16 D 3489.201.01.03.02

Adjusting the speed

Using the two "Motor Speed" +/– keys (14), the

recalled speed can be manually increased or decreased

and then indicated as the maximum speed on the dis-

play.

Adjustment is possible in increments of:

10 rpm – between 90 and 400 rpm

200 rpm – between 400 and 5,000 rpm and

1,000 rpm – between 5,000 and 40,000 rpm

The speed last set with the +/– keys (14) is preserved

even after the unit is switched OFF and back ON again

if the foot switch was previously actuated at least

once.

ATTENTION

The speed can be changed even while the motor is run-

ning.

The instrument must not be in the patient’s mouth when a

speed adjustment is performed.

Reversal of rotation

ATTENTION

From your carbide burs, you may be used to clockwise

rotation only.

Please note that your new electric motor can also be

operated counterclockwise.

Prior to switching to counterclockwise rotation, make

sure that the contra-angle handpiece and the respective

inserts used can be operated counterclockwise

(Caution: Contra-angle handpiece for prophylaxis must

be operated clockwise only!).

To switch the electric motor to counterclockwise rotation,

press the "Reverse" key (22).

Counterclockwise rotation is signaled by the flashing

CCW arrow on the display.

Changeover to counterclockwise rotation with the

"Reverse" key is also possible while the motor is run-

ning.

In this case, the motor gradually runs down in the

selected direction of rotation before starting up again

in the other direction.

After the unit is switched OFF and back ON again, the

motor is automatically reset to clockwise rotation and the

flashing arrow disappears on the display.

ATTENTION

The instrument must not be in the patient’s mouth when a

speed adjustment is performed.

Prior to each motor start, please check to make sure the

motor has not inadvertently been set to counterclockwise

rotation!

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

14

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

22

Sirona Dental Systems GmbH 5 Operation

Operating Instructions SIROTorque L

+

60 52 208 D 3489

D 3489.201.01.03.02

17

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Instrument light OFF/ON

With key (21) you can switch the instrument light OFF

and ON.

Instrument light ON is signaled by the lamp symbol

on the display.

Changeover with key (21) is also possible while the

motor is running.

After the unit is switched OFF and back ON again,

the last lamp status set remains saved.

NOTE

i

After the foot switch is released, the instrument light

illuminates for approx. 1 second.

Programming handpiece settings

The gear ratio, motor speed and instrument light status

(ON/OFF) can all be reprogrammed together. If you

want to overwrite the factory-programmed values and

settings in the four program keys, proceed as follows:

A – Select the gear ratio of the required straight/

contra-angle handpiece using the +/– keys (20).

This value then appears on the display.

B – Select the desired maximum motor speed with the

+/– keys (14). This value then appears on the display,

and also determines the value of the burr speed.

C – Use key (21) to determine whether or not the instru-

ment light should be switched on.

D – To program the new values, press the respective

save key (1, 2, 3 or Endo) (23) (in the example shown

here, it would be advisable to press green program key 3

due to the preselected reduction ratio) > 3 seconds.

The new setting is confirmed by a brief acoustic signal.

The newly programmed values can be recalled when-

ever required by briefly pressing the corresponding

save key (23).

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

21

Motor Speed

Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

A

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

B

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

C

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

D

>3 s

20

14

21

23

6 Error messages Sirona Dental Systems GmbH

Operating Instructions SIROTorque L

+

60 52 208 D 3489

18 D 3489.201.01.03.02

6 Error messages

Errors are indicated on the "Bur Speed" display.

The display illumination flashes during the error display.

Error message F1

The motor has been switched off for safety reasons

(overheating or insufficient supply voltage).

Remedy: Remove your foot from the foot switch and

wait for approx. 1 minute until "F1" disappears from the

display.

The unit is ready for operation.

Error message F2

"EEPROM" error

Remedy: Call your service engineer.

Error message F3

The unit was disconnected from the power supply while

the foot switch was pressed (e.g. loose contact, brief

power failure).

Remedy: Remove foot from foot switch, ensure trou-

ble-free power supply, restart.

Error message F5

No motor connected or motor or motor hose defective.

Remedy: Connect motor properly; replace motor hose or

motor if necessary.

Error message F11

Short-circuit protection activated.

Error message F12

Electrical connection between motherboard and motor

too weak.

Error message F13

Position detection of turbine in motor defective.

Error message F14

Overcurrent in motor lamp circuit.

Lamp or motor defective.

Remedy F11 – F14: Switch unit off, check for proper

installation of motor incl. lamp or motor hose.

Then switch the unit back on.

If the error message appears again, please contact your

service engineer.

Motor Speed Gear Ratio

1 2

Endo

3

SIROTorque L

+

Motor Speed Gear Ratio

Bur Speed

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Sirona SUROTorque L+ Operating Instructions Manual

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