Troubleshooting Hints - Marquette CardioServ Serviceanleitung

Marquette Hellige GmbH CardioServ V. 3 Page 21

5. Troubleshooting Hints

Device cannot be switched on during line-power operation:
- 220-V power supply via power supply unit OK ? Measure at connector CA.
- Connector 220-V plug to power supply unit OK ?
- Fuse in feed line and on power supply unit OK ?
- Lead line-power supply unit -- PCB Analog OK ?
- Lead PCB Analog -- PCB Digital (2-pin power supply 16V) OK ?
- Lead PCB Analog -- PCB Digital (40-pin control) plugged in correctly?
- 16 V on PCB Analog at connector ? no --> power supply unit defective or short-
circuit ( power supply unit tackered )
- Fuse SI500 (16V) on PCB Digital OK ?
- Fuse SI502 (5V) on PCB Digital OK ?
- "Device On Signal" PWON_ present and 16V available on PCB Digital : yes -->
Digital defective
- PCB Analog or PCB Digital defective ?
Device cannot be switched on during battery operation:
- Battery charged?
- Lead battery contacts -- PCB Analog OK ?
- Fuse for battery on PCB Analog OK ?
- Connector battery contact and connector power supply PCB Digital confused
- Fuse SI500 (16V) , SI502 (5V) on PCB Digital OK ?
- PCB Analog defective ?
Device does not print out :
- Paper inserted correctly? (thermosensitive side facing up)
- Flat strip cable to printer OK ?
- Mechanical failure in paper transport, paper feed ?
- Without paper platin runs approx. 1 sec
- Flap not completely closed
- Print key on membrane keypad does not respond when pressed (perform key
test)
- Does motor run ? or printhead voltage there ? or movement on the data lines to
printhead ? no --> PCB Digital defective ?