KaVo K4 User manual

Operating Instructions
K4 Table top controller 4954
KaVo Elektrotechnisches Werk GmbH
Wangener Straße 78
D-88299 Leutkirch
Tel.: 0 75 61 / 86-0 • Fax: 0 75 61 / 86-23 3
1.000.3034 ●WHD RB ●11/00 GB 01.33

GB
TABLE OF CONTENTS
A 1 User information ..........................................................................................................................................2
A 1.1 Meaning of the pictograms ..................................................................................................................2
A 1.2 Important information ..........................................................................................................................2
A 1.3 Precautions ..........................................................................................................................................2
A 1.4 Purpose and potential uses ..................................................................................................................3
A 1.5 Technical data ......................................................................................................................................3
A 1.6 Combination Controller - handpiece ....................................................................................................3
A 2 Scope of delivery/Accessories ..................................................................................................................4
A 3 Electrical connection ..................................................................................................................................4
A 4 Installation and commissioning ................................................................................................................5
A 5 Description ..................................................................................................................................................6
A 6 Operation ......................................................................................................................................................7
A 7 Malfunctions ................................................................................................................................................8
Spare parts sheet for users ..........................................................................................................................10
Guarantee conditions ..................................................................................................................................11
Declaration of conformity ..............................................................................................................................11
K4 Table top controller 4954 1

2K4 Table top controller 4954
KaVo assumes no responsibility for damage
arising through:
• external influences (poor quality of the
media or inadequate installation)
• use of incorrect information
• improper use
• improperly performed repairs.
Repair and maintenance wor - apart from
the activities described in these instructions
for use - may be performed only by quali-
fied technical personnel.
In the event of modifications by third par-
ties, the approvals become null and void.
KaVo recommends using only original
spare parts for operation and for repair.
A 1.3 Precautions
Safe operation and protection of the unit are
ensured only through proper use in accor-
dance with the instructions for use and
using the tools approved for the purpose.
The following should also be observed:
• the wor safety regulations,
• the accident prevention regulations.
■
Each time before switching on, chec the
set speed.
■ Observe the permissible maximum speed
and maximum pressure of the tools
(according to tool manufacturer's
instructions).
A 1 User information
A 1.1 Meaning of the pictograms
Situations where failure to follow the
instructions may lead to danger,
damage to material or operating faults.
Important information for operator
and engineer.
Automatic mode
Automatic sequence
Close, screw in,
fasten, etc.
Open, release, loosen
+more, higher
-less, lower
∞Continuous operation
Time, time sequence
Disconnect mains plug
A 1.2 Important information
The instructions for use should be
read by the user before starting up
the unit for the first time, in order to avoid
incorrect operation and other damage. If
other language versions are required,
please request these from your responsible
KaVo agent. Duplication and distribution
of the instructions for use (IU) require
KaVo's prior consent.
All technical data, information and proper-
ties of the product described in the IU cor-
respond to the state on going to press.
Modifications and improvements to the
product as a result of new technical devel-
opments are possible.
This does not imply any right to retrofitting
of existing units.

K4 Table top controller 4954 3
GB
OPERATING INSTRUCTIONS
A 1.4 Purpose and potential uses
EWL K4 table top controller 4954 is versa-
tile and very suitable for wor ing on
crowns and bridges.
A 1.5 Technical data
Dimensions and weights
K4 table top controller 4954
Width: 225 mm
Depth: 220 mm
Height: 95 mm
Weight: approx. 3.5 g
Rated power
K4 table top controller 4954 max. 120 W
Speed range
Cloc wise operation: 1000 - 30,000 min-1
In the event of extreme high-frequen-
cy interfering fields, speed variations
up to max. 20% may occur.
Rated voltages
Voltage ranges: 100 V - 120 V
230 V
50 / 60 Hz
Output voltage max. 30 V DC
Ambient conditions:
Permissible in interior rooms
Permissible ambient temperature range of
5°C - 40°C
Permissible up to max. relative humidity 80%
Intermittent operation: on 2 min / off 8 min
Degree of soiling 2
Overvoltage category: II
We reserve the right to ma e technical
modifications.
A 1.6 Combination Controller - hand-
piece
Only the KaVo K4 handpiece 4914 can be
operated on the table top controller 4954.

4K4 Table top controller 4954
A 2 Scope of delivery/Accessories
Scope of delivery
K4 table top controller 4954
Foot switch 4622
Mains cable
A 3 Electrical connection
Rated voltage and rated frequency
Chec whether the rated voltage and rated
frequency agree with the data on the rating
plate and voltage selector switch @. If
necessary, ma e an adjustment.
Voltage adjustment
By moving the voltage selector switch @,
the country-specific mains voltage can be
set.
employment
voltage selector switch mains voltage
115 V 100-120V 50-60Hz
230 V 220-240V 50-60Hz
Connected load
Rated power max. 120 W
Disconnector:
The mains plug should be used as a mains
disconnector.
@

K4 Table top controller 4954 5
GB
OPERATING INSTRUCTIONS
A 4 Installation and commissioning
Place the K4 table top controller 4954 #
on the wor bench and insert mains plug
£ into the easily accessible, correctly
installed (earthed) mains soc et. (This
should also be ensured when using an
extension cable.)
Insert plug of connecting cable fi of hand-
piece Ì in unit soc et | and screw tight.
Place foot switch 4622 @ on the floor
under the wor place. Lead connecting
cable ” to the K4 table top controller 4954
# and insert in soc et \ at the bac .
@
”
|
\
#
£
fi
Ì

6K4 Table top controller 4954
A 5 Description
@ Malfunction display
” Speed preselection (continuous)
# Foot switch soc et
£ Unit soc et (6-pin)
fi Voltage selector switch with voltage
adjustment
Ì Mains switch “0“/“I“
\ Foot switch EWL 4622
”
@
£
fi
Ì
#
\
M

GB
OPERATING INSTRUCTIONS
K4 Table top controller 4954 7
A 6 Operation
Only the handpiece £ specially suit-
able for this purpose may be operated
on the K4 controller 4954 @ (
see A .6 ).
( For correct operation of the handpiece £
used, it is essential to follow the instruc-
tions for use (1.000.3902) supplied with the
handpiece.
On the K4 controller 4954 @, press mains
switch ” to position “I“ ON.
Preselect desired speed on speed limiter #
from 1000 to 30,000 min-1.
By pressing down the foot switch 4622 fi,
put the connected handpiece £ (see A .6)
into operation.
”
£
#
@
fi

8K4 Table top controller 4954
A 7 Malfunctions
Repair and maintenance wor on the
electrical part of the unit may be car-
ried out only by specialists or by persons
who have been trained in the factory and
made aware of the safety regulations.
Before opening housing parts, disconnect
the mains plug or completely isolate the
unit from the mains supply so that no
power reaches the unit.
The individual faults are indicated by
repeating flashes of the green opera-
tion LED @. In the case of fault No. 3, for
example, the LED @ is activated 3 times,
followed by a brea , after which the flash-
ing sequence begins again. In the case of
all faults, the motor is switched off. Some
faults are reset when the foot switch is at
stop; serious errors can be reset only by
switching off.
C• Motor overload, motor current above
3.4 A for 7 sec
R• Reduce motor load, stop and start on
foot switch
C• Motor bloc ed for longer than 3 sec
R• Eliminate bloc age, stop and start on
foot switch
C• No motor or an nown motor connected
R• Connect K4 motor, stop and start on
foot switch
C• Open circuit with K 4 motor (1 phase
bro en)
R• Establish connection, stop and start on
foot switch
C• Mains undervoltage
R• Chec mains voltage and voltage settin-
gon the unit
F= Fault C= Cause R= Rectification
F• flash 5 times
F• flash 4 times
F• flash 3 times
F• flash 2 times
F• flash 1 time
@

K4 Table top controller 4954 9
C• Motor speed too high for longer than
2 sec, possibly one phase of the motor is
interrupted or motor electronics are faulty
R• Repair fault
C• Speed preselection potentiometer dis-
connection (open circuit)
R• Repair fault
C• No foot switch connected (possibly open
circuit)
R• Connect foot switch and chec function
C• Foot switch at start when mains switched
on
R• Release foot switch (stop)
C• Short-circuit in direct-current chopper
(transistor)
R• Repair motor electronics
C• Direct-current chopper or measuring
device U_wr, I_wr faulty
R• Repair motor electronics
C• Inverter faulty (automatic test on swit-
ching on)
R• Repair motor electronics
C• Bra e device faulty (automatic test on
switching on)
R• Repair motor electronics
C• Warning - Data loss in EEPROM memory
R• Start motor, if necessary send to EWL
for chec ing and recalibration
C• Program memory (ROM) faulty (auto-
matic test on switching on)
R• Send to EWL for chec ing and soldering
in new processor
F= Fault C= Cause R= Rectification
F• flash 20 times
F• flash 19 times
F• flash 16 times
F• flash 15 times
F• flash 14 times
F• flash 13 times
F• flash 12 times
F• flash 11 times
F• flash 9 times
F• flash 6 times
GB
OPERATING INSTRUCTIONS
@

SPARE PARTS SHEET FOR USERS K4TABLE TOP CONTROLLER 4954
10 K4 Table top controller 4954
1.000.1966
1.000.1967
0.200.6528
0.692.9021
0.200.6529
0.245.5015
0.223.2735
0.220.0469
1.000.0906
0.223.4142
Spare parts sheet for users

GUARANTEE CONDITIONS GB DECLARATION OF CONFORMITY
K4 Table top controller 4954 11
Guarantee conditions
Under valid KaVo EWL delivery and payment conditions, KaVo EWL gives a guarantee of satisfactory function and freedom from faults in
material and manufacture for the duration of 6 months from the date of sale certified by the vendor. After expiry of the warranty, KaVo gives
a guarantee of another 6 months for damage attributable to deficiencies in the material or in manufacture.
In the case of justifiable complaints, KaVo EWL shall supply spare parts or carry out repairs free of charge. KaVo EWL accepts no liability
for defects and their consequences which have arisen or could have arisen as a result of natural wear, improper handling, cleaning or main-
tenance, noncompliance with the maintenance, operating and connecting instructions, corrosion, impurities in the air supply or chemical or
electrical influences which are unusual or not admissible in accordance with KaVo's instructions. The guarantee shall become null and void
if defects or their consequences can be attributed to interventions in or modifications to the product. Guarantee claims can only be validated
if they are notified immediately in writing to KaVo EWL.
We,
KaVo ELEKTROTECHNISCHES WERK GmbH
Wangener Str. 78
D-88299 Leut irch im Allgäu
declare that the product
K4 table top controller type 4954
with
motor handpiece type 49 4
to which this declaration relates conforms to the essential safety requirements according to the provisions of Directive(s)
89/336/EWG (EMV-Richtlinie)
73/23/EWG (Niederspannungsrichtlinie)
The following standards or normative documents were used for assessing the product:
EN 61010 Sicherheitsbestimmungen für Laborgeräte
EN 61326-1 EMV-Anforderungen für Laborgeräte
Leut irch, 17.07.2000 M.Mohr,
Managing Director
Declaration of conformity