Dräger Evita 4 - Service Leds on the CPU 68332 PCB

5664.500/800 Evita 4/Evita 2 dura 06/98 Repair Instructions Page 20
For internal use only. Copyright reserved. GBR5664500T055664800.fm 18.03.99
Dräger Medizintechnik
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2.2 Service LEDs on the CPU 68332 PCB
The service LEDs indicate the active reset.
Service LED Reset Meaning
1 Overvoltage The +5 V voltage is too high.
2 Undervoltage The +5 V voltage is too low.
3 CPU reset The CPU resets its own interface system which
is located on the CPU 68332 PCB, or the CPU
is reset.
4 Reset up The pneumatics resets the CPU 68332 PCB.
5 Reset down The CPU resets the pneumatics and the boards
on the motherboard.
6 Display reset The CPU resets the control unit.
7 Pneumatics disabled This signal is initialized if the pneumatics is not
functioning properly. It will remain active until
the pneumatics functions properly again.