Siemens MULTIMOBIL 10 - Service Procedures

Service Manual
Service Instructions
Siemens Ltd. Med Division India Version 4.0
Page 2 of 48
INDEX
1 SERVICE................................................................................................................................................... 4
1.1 SAFETY PRECAUTIONS : .......................................................................................................................... 4
1.2 TROUBLESHOOTING : .............................................................................................................................. 4
1.2.1 Tools and measuring instruments required ....................................................................................... 4
1.3 MEASURING WITH OSCILLOSCOPE :......................................................................................................... 4
1.4 HANDLING PRECAUTIONS........................................................................................................................ 4
1.5 CONTROL VOLTAGES .............................................................................................................................. 5
1.6 SIGNALS & LINE VOLTAGE DISPLAY: ...................................................................................................... 5
1.7 HT CHECK : ............................................................................................................................................ 6
1.8 EXPOSURE :............................................................................................................................................. 6
1.9 TIMING :.................................................................................................................................................. 6
1.10 KVP,KVN &KV MEASUREMENT :.......................................................................................................... 6
1.10.1 kVp-meter : ................................................................................................................................... 6
1.10.2 Electrical : .................................................................................................................................... 7
1.11 MA/MAS MEASUREMENT :...................................................................................................................... 7
1.11.1 mAs-meter : .................................................................................................................................. 7
1.11.2 Electrical : .................................................................................................................................... 7
1.12 CALIBRATION :........................................................................................................................................ 7
1.13 FORMING :............................................................................................................................................... 8
1.14 SAFETY NOTES AND PROTECTIVE MEASURES .......................................................................................... 8
1.15 REPLACING DAMAGED OR MISSING SCREWS............................................................................................ 8
1.16 CLEANING............................................................................................................................................... 8
1.17 CLEANING THE UNIT ............................................................................................................................... 8
1.18 DISINFECTING ......................................................................................................................................... 9
1.19 MAINTENANCE........................................................................................................................................ 9
1.20 PRODUCT DISPOSAL................................................................................................................................9
1.21 SAFETY CHECKS ................................................................................................................................... 10
1.21.1 Daily checks................................................................................................................................ 10
1.21.2 Monthly checks ........................................................................................................................... 10
1.21.3 Performance Check (Every Six months) ..................................................................................... 10
1.22 PROGRAM MODES FOR SERVICING. ....................................................................................................... 11
1.22.1 Program 1 : To display the DC voltage on the capacitor........................................................... 11
1.22.2 Program 2 : To check the total number of exposures taken . .................................................... 11
1.22.3 Program 3 : To check the type of codes that occurred in the unit maximum 20 ....................... 11
1.22.4 Program 4 : To Erase the errors that have occurred on the unit. .............................................. 12
1.22.5 Program 5 : To set the display value at switch ON to Default Kv mAs combination or last
selected Kv mAs combination. ....................................................................................................................... 12
1.22.6 Program 6 : To set the maximum kV and mAs value for the unit. .............................................. 12
1.22.7 Program 7 : To set the max.inverter firing frequency(REG). ..................................................... 12
2 CODES..................................................................................................................................................... 14
3
TROUBLESHOOTING ......................................................................................................................... 16
3.1 REMOVING THE TOP PANEL, FRONT COVER AND X-RAY SOURCE ASSEMBLY ......................................... 16
3.1.1 Removing the top panel ................................................................................................................... 16
3.1.2 Removing the Front cover. .............................................................................................................. 17
3.1.3 Removing the X-ray source assembly..............................................................................................17
3.2 CHECKING THE LINE VOLTAGE, FUSES AND LEDS................................................................................. 18