Control Pcb Assembly - Dräger Medical Fabius Tiro Technical & Service Manual

Replacement Procedure
13 Control PCB Assem-
bly
Dräger Medical AG & Co. KGaA
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The control PCB assembly is accessible by removing the back cover of the
controller housing. Figure 18
connections to this assembly.
NOTE
If the Core Unit is wall mounted, refer to the
Procedure prior to performing the following step.
NOTE
Verify the original software level of the PCB prior to removal. Replacement
control PCBs may contain a different software level; a software update may
be necessary. If applicable, perform the
the appropriate level software according to the applicable Software
Upgrade Service Procedure after the replacement PCB is installed.
1. If possible, record the market settings on the unit for re-configuration of
the replacement PCB. Refer to the Diagnostics Section to access the
appropriate service screen. If these settings can not be displayed, refer to
the Table 1 for the settings that correspond to your region.
2. If applicable, record the Device ID number, Machine Serial number, and
Release Code number located in the Secure Options screen in the Main
Service menu for all ventilator feature option(s) that are enabled, for
reconfiguration of the replacement processor.
3. Set the System Power switch to 'OFF' and disconnect AC power from the
machine.
4. Remove the back panel from the controller housing. Provide support for
the panel to prevent damage to the power supply cable connections.
CAUTION
The control PCB contains static sensitive devices. Use ESD protec-
tion when handling this assembly.
5. Disconnect all of the cables from the board connectors indicated in the
illustration. Also disconnect the tubing from the pressure sensors on the
PCB.
6. Remove the screws holding the PCB assembly to the controller housing,
and carefully remove the PCB assembly.
7. Install the replacement PCB assembly with the hardware that was previ-
ously removed.
NOTE
CONTROL PCB P/N 4116632:
Verify jumper at JP3 is installed on both pins. This activates the 3V lithium
battery (BT1) for the non-volatile RAM.
6020.002
shows the mounting arrangement and electrical
Wall Mount Service Access
Software Update Procedure
Revision B Released
Fabius Tiro
with
177