ARTROMOT K4 User manual

Service
Manual
Starting from serial number 10000
ARTROMOT
-
K4
®

2
3.1
Electronics,
connection
cables
Table
of
contents
2.
Purpose
1.
History
3.
General
ERROR
XX
(XX
=
Number
of
the
error)
1 Potentiometer error:
Wrong angle information provided from potentiometer
-> Check the femur settings
-> Replace knee electronics (Pos. 9.11)
-> Replace motor control (Pos. 1.35)
2 Failure at the potentiometer:
Connection to the potentiometer is interrupted
-> Replace the spiral cable of the potentiometer(Pos 9.12)
-> Replace knee electronics (Pos. 9.11)
-> Replace motor control (Pos. 1.35)
3 Motor driver error:
The motor driver IC reported an error
-> Replace motor control (Pos. 1.35)
4 Motor error:
The motor did not turn properly.
-> Replace motor control (Pos. 1.35)
-> Replace the motor (Pos. 3.1)
1.
History
2
2. Purpose 2
3. General 2
4. Packing and unpacking 5
5. Block diagram of electronic parts 6
6. Bill of material for service parts 7
7. Explosion drawing part 1 12
8. Explosion drawing part 2 13
9. Special function Service menu 14
10. How to perform repairs 16
10. Checklist for safety- and function test 17
Revision
Date
Name
Change
1 31.01.2008 S. Herr Service Manual created
This
service
manual
is
to
perform
some
repairs
on
ARTROMOT®-K4 products. Repair and maintenance work
may only be carried out by authorised persons, as other-
wise
all warranty services and liabilities shall be void.
Only original parts may be used for servicing in accordance
with the attached spare part list.
Electronic devices as hand-held programming unit, motor
electronics, power supply electronics and spiral cable are
not interchangeable with
ARTROMOT®-K4 serial number < 10000.
NEW PROCEDURE to perform a reference run/ calibration.
See chapter Special function Service menu.
No plugs may be connected or disconnected while the
unit is switched on. Always switch the ARTROMOT®-K4
off before connecting or disconnecting a plug.
The locks for spiral cable for the hand-held programming
unit have to be closed at all times.
When you assembling with electronic parts make sure
to use ESD (Electro Static Discharge) equipment.
If you have to exchange any of the printed circuit boards
including the knee electronics or motor control you have
to perform a calibration.
Possible errors: Following error codes in number
will be sho
wn on the display:

3
5 Motor over current:
The current for the motor exceeded the maximum limit
-> Check the mechanics
-> Replace motor control (Pos. 1.35)
-> Replace motor (Pos. 3.1)
6 Motor control error:
Internal error in the motor control.
-> Replace motor control (Pos. 1.35)
7 Eprom access error:
Memory error in the access of the EPROM.
-> Replace hand held programming unit (Pos. 1.31)
8 CPM ROM error:
Memory error in the motor control
-> Replace motor control (Pos. 1.35)
9 Communication:
Communication to the motor control is not possible
-> Check spiral cable and connector
-> Replace hand held programming unit (Pos. 1.31)
-> Replace motor control (Pos. 1.35)
10 Unkown error in the motor control:
Unknown error in the motor control
-> Replace motor control (Pos. 1.35)
11 Motor enable timeout
Motor could not be enabled in time.
-> Replace motor control (Pos. 1.35)
12 Invalid parameter motor error:
Motor has received a invalid parameter
-> Replace motor control (Pos. 1.35)
-> Replace hand held programming unit (Pos. 1.31)
13 Stop release error:
The motor could not be released
-> Replace motor control (Pos. 1.35)
-> Replace hand held programming unit (Pos. 1.31)
14 Unexpected motor Stop:
-> Check cables and connectors
-> Replace motor control (Pos. 1.35)
15 Motor disabled:
Motor control disabled the motor.
-> Replace motor control (Pos. 1.35)
16 Wrong command in the motor :
-> Replace motor control (Pos. 1.35)
-> Replace hand held programming unit (Pos. 1.31)
17 5V supply error:
5V supply of motor control not sufficient
-> Replace motor control (Pos. 1.35)
18 Initialise error real time clock:
-> Replace hand held programming unit (Pos. 1.31)
19 Communication error real time clock:
-> Replace hand held programming unit (Pos. 1.31)
20 Error real time clock:
-> Replace hand held programming unit (Pos. 1.31)
21 Range exceeded:
The measured angle is out of the range of motion.
-> Replace motor control (Pos. 1.35)
22 ROM error in the hand held programming unit:
Memory error in the hand held programming unit
-> Replace hand held programming unit (Pos. 1.31)
23 Invalid parameter:
Internal error in the hand held programming unit
-> Replace hand held programming unit (Pos. 1.31)
24 24V supply error motor control:
Error in the 24V supply in the motor control
-> Replace motor control (Pos. 1.35)
-> Replace the power supply electronics (Pos. 1.41)
25 Bus error:
Bus system error
-> Replace spiral cable of the hand held programming unit
-> Replace hand held programming unit (Pos. 1.31)
-> Replace motor control (Pos. 1.35)
26 24V supply hand held programming unit:
24V supply of the hand held programming unit is
defective
-> Replace hand held programming unit (Pos. 1.31)
27 5V supply hand held programming unit:
5V supply of the hand held programming unit is defective.
-> Replace hand held programming unit (Pos. 1.31)
28 3.3V supply hand held programming unit:
3.3V supply of the hand held programming unit is
defective
-> Replace hand held programming unit (Pos. 1.31)
29 Calibration:
The calibration data in the motor control are wrong.
-> Perform a calibration
30 Calibration error:
-> Repeat the calibration
-> Replace knee electronics (Pos. 9.11)
-> Replace motor control (Pos. 1.35)
31 Calibration timeout:
-> Replace motor control (Pos. 1.35)
32 Motor enable error:
The motor could not be enabled
-> Replace motor control (Pos. 1.35)
33 Motor disable error:
The motor could not be disabled
-> Replace motor control (Pos. 1.35)
34 Motor stop error:
Motor stop command timeout error:
-> Replace motor control (Pos. 1.35)
35 Configuration error:
Invalid configuration of the hand held programming unit
-> Replace hand held programming unit (Pos. 1.31)

4
45 Wrong product combination:
Mixup between non compatible device and hand held
programming unit
-> Use the correct hand held programming unit (Pos. 1.31)
46 Handset error internal communication:
Invalid interchip communication inside the hand held
programming unit
-> Replace hand held programming unit (Pos. 1.31)
47 Internal communication error motor control:
Internal communication error motor control..
-> Replace motor control (Pos. 1.35)
48 User stoped the special function
49 Unknown error in the motor control:
-> Replace motor control (Pos. 1.35)
3.2
Mechanics
The threaded spindle and spindle nut is not
interchangeable with ARTROMOT®-K4
serial number < 3000.
Do not loosen the knurled handles completely for any
adjustment. For operation or transport, make sure that
the knurled handles are tight.
The frame is unstable:
Possible cause: Bolt / screws missing or loose. Tighten
the screws / bolts.
3.3 Others
Do not clean the casing or the support with grease
or oil.
Do not utilize any solvent for cleaning the
ARTROMOT®-K4.

The
following
settings
must
be
made
to
transport
the
ARTROMOT®
-
K4:
5
4.
Packing
and
unpacking
Set the packing setting in the menu or move the devi
ce in a position of
EXTENSION
=
1
0
degrees.
Switch off the device.
Remove power cord and disconnect the hand-held programming unit.
Remove the the femur extension assembly.
For transportation, use the original packaging.
Put the hand-held programming unit and the femur extension assembly into a extra box.
Set the angle joint horizontal.
Put three extra protection for the knee joint on the device as shown on the figure below.
Move the two styrofoam parts on the device.
Put the device with the styrofoam parts in the carton.
First put the power cord in the extra box, the femur extension assembly in the extra box, the hand held programming unit in
the extra box and the extra pad in the packing as shown in figure below.
Power cord in
the extra box
Hand held programming unit in the
extra box and on top of it the extra pad
Extra protection for the knee joint
Femur extension assembly
in the extra box