ARTROMOT K4 - 1. History; 2. Purpose; 3. General; 3.1 Electronics, connection cables

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: