Service Instructions
Multimobil 5C
Siemens Ltd. Med India Version 5.0
Page 2 of 73
Copyright © SIEMENS LTD. All rights reserved. For internal use only
INDEX
1 SAFETY........................................................................................................................................ 5
1.1 SAFETY PRECAUTIONS................................................................................................................ 5
1.2 OVERLOAD PROTECTION............................................................................................................. 5
1.3 RADIATION PROTECTION ............................................................................................................. 5
1.4 MEASURING WITH OSCILLOSCOPE ................................................................................................ 6
1.5 HANDLING PRECAUTIONS ............................................................................................................ 6
1.6 MECHANICAL SAFETY.................................................................................................................. 6
1.7 MAINTENANCE ............................................................................................................................ 7
1.7.1 Product Disposal.................................................................................................................. 8
1.7.2 Radioprotection Material ...................................................................................................... 8
1.7.3 Transformer Oil .................................................................................................................... 8
1.7.4 Plastics................................................................................................................................. 8
1.7.5 Electrolytic Capacitors .........................................................................................................8
2 SERVICING .................................................................................................................................. 9
2.1 TOOLS AND MEASURING INSTRUMENTS REQUIRED ........................................................................ 9
2.2 REPLACING DAMAGED OR MISSING SCREWS ................................................................................. 9
2.3 CLEANING AND DISINFECTING...................................................................................................... 9
2.3.1 Cleaning the Unit ................................................................................................................. 9
2.3.2 Disinfecting......................................................................................................................... 10
2.4 PROTECTING THE SYSTEM FROM FLUIDS..................................................................................... 10
2.5 ROUTINE CHECKS..................................................................................................................... 10
2.5.1 Daily checks....................................................................................................................... 10
2.5.2 Monthly checks ..................................................................................................................11
2.5.3 Performance Check (Every Six months)............................................................................ 11
2.6 CALIBRATION CHECK ................................................................................................................ 12
2.6.1 Control Voltages ................................................................................................................12
2.6.2 Signals ............................................................................................................................... 12
2.6.3 Exposure ............................................................................................................................ 13
2.6.4 Timing ................................................................................................................................ 13
2.6.5 kVp Measurement.............................................................................................................. 13
2.6.6 mA / mAs Measurement .................................................................................................... 14
2.6.7 Tuning ................................................................................................................................ 14
2.7 YEARLY CHECKS ...................................................................................................................... 15
2.8 PARTS SUBJECT TO WEAR ........................................................................................................ 15
2.9 CHECKS PRIOR TO SWITCH ON AFTER PROLONGED SHELF LIFE ................................................... 16
2.10 CHECKS PRIOR TO TRANSPORT.................................................................................................. 16
3 EXPOSURE CHARTS................................................................................................................ 17
3.1 FOR UNITS WITH 230V INPUT..................................................................................................... 17
3.2 FOR UNITS WITH 110V INPUT..................................................................................................... 18
4 ERROR CODES......................................................................................................................... 19
5 TROUBLESHOOTING ............................................................................................................... 20
5.1 CHECKING THE LINE VOLTAGE, FUSES AND LED’S....................................................................... 20
5.1.1 Checking the line voltage................................................................................................... 20
5.1.2 Checking the fuses ............................................................................................................ 21
5.1.3 Checking the LED’s ........................................................................................................... 22
5.2 CHECKING THE CONTROL VOLTAGES ......................................................................................... 22
5.2.1 Checking the Line voltage display. .................................................................................... 23
5.2.2 Checking the Intermediate circuit voltage.......................................................................... 23
5.3 CHECKING FOR EXPOSURE PARAMETERS................................................................................... 23
5.3.1 Checking the Main inverter frequency ............................................................................... 23