5. Technical Safety Inspection and Preventive Maintenance
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B. Braun Avitum AG
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SW 9.xx
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Service
Only trained personnel must service the , i.e. repair, maintenance, software installation,
firmware update, retrofitting and commissioning of the .
Servicing must only be performed with proper tools, calibration equipment and be in accordance
with the most recent revision of this service manual/technical information, which must be
clearly and thoroughly understood.
Prevent Electrical Shock Hazard
Switch off the and disconnect unit from mains if you have to open the machine for
servicing. Do not touch any exposed wiring or conductive surfaces while the is opened.
The voltages present when electrical power is connected to the can cause serious injury
or death.
ESD Information
Pay attention to ESD information, because electronic components are sensitive to electrostatic
discharges.
High Voltage
in TFT Monitor
If a battery option is present in the machine:
High voltage can be present at the backlight inverter board BIB in the TFT monitor, even if the
machine has been disconnected from mains. Pull out the battery compartment in the base
platform and switch off the battery voltage (remove fuse) before opening the machine.
Protective Conductor in TFT Housing
If the TFT housing had to be opened during a service job, the tight seat of the protective
conductors in the TFT housing must be checked.
TSM Service Program
Only activate the TSM service program for service activities. It is prohibited to connect a patient
to the and to run a therapy if the TSM service program is activated in the . If
the TSM service program is activated the complete alarm system is disabled. The TSM service
program is started in the service mode: digital board, service switch S1, position 2.
Software
The software is installed in the software mode: digital board, service switch S1, position 3.
Therapy Mode
After completion of all procedures switch back to the therapy mode: digital board, service
switch S1, position 0.
Calibration
Only perform a calibration after the has reached working temperature, and the machine
was disinfected and decalcified. You should save the calibration data to the hard disk drive
before you exit the TSM service program:
TSM Main Menu
,
File Operations
,
Save Calibration
Data
.
Connection and Operation Service Board
The service board must only be operated in the TSM service program. If the service board is
connected to the it is prohibited to connect a patient to the and to run a
therapy.
Prevent Chemical Burns and Scalding
During servicing on running machines: prevent chemical burns and scalding of the skin due to
the penetration of disinfectant or hot liquid.
Contaminated Machines
Protective gear should be worn in case of servicing of assumed contaminated machines.
Cover in Rear Door
Servicing of mechanical assembly groups (components in contact with fluid): the cover in the
rear door must be assembled during servicing because it serves as a spray protection for the
assembled SMPS-MC.
Tubing
Tubing must be replaced only by the same tubing type/length and identical installation manner.
Make sure that the tubings in the machine are not kinked or twisted after servicing (e.g. if sub-
racks are pulled out and inserted again). The tubing must not touch moving/rotating
components (e.g. motors of gear pumps).
Wiring
Wiring must be replaced only by the same cable type/length and identical installation manner.
The cables must not touch moving/rotating components (e.g. motors of gear pumps).
Fuses
If fuses are replaced they must exactly match the type and rating specified by the manufacturer
in the spare parts list/technical information. Where applicable: fuses must be approved by
UL/CSA.
Spare Parts
Only use original spare parts manufactured and sold by B. Braun Avitum AG.
Ambient Temperature
Before the is switched on the machine must have room temperature (see operating
manual, chapter 15).
!