Dräger Medical CPU PCB 68332, Инструкции по ремонту

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Dräger Medical AG & Co. KGaA • EvitaXL
4
Repair instructions Replacing the CPU 68332 PCB
Fig. 2 Detail of the CPU 68332 PCB; service LEDs
7 Pneumatics
disabled This signal is set if the
pneumatics is not
functioning properly. It will
remain set until the
pneumatics functions
properly again.
LED Reset Meaning
4 Replacing the CPU 68332 PCB
1 Switch off the device.
2 Unplug the power plug of the device from the socket-
outlet.
3 Create ESD conditions.
4 Remove the faulty CPU 68332 PCB from the devcie
and place it on the static-dissipative mat.
5 Remove the lithium battery ( Fig. 3 /G2) from the faulty
CPU 68332 PCB and insert it into the battery holder of
the new CPU 68332 PCB making sure the polarity is
correct.
6 Remove the module D22 (EEPROM) ( Fig. 3 /D22) from
the new CPU 68332 PCB.
Electrostatic discharge may damage electrostatic
sensitive devices. When handling electrostatic
sensitive devices, use a static-dissipative mat
and a static dissipative wrist strap.