Siemens MULTIMOBIL 10 - Page 4

Service Manual
Service Instructions
Siemens Ltd. Med Division India Version 4.0
Page 3 of 48
3.2.1 Checking the line voltage ................................................................................................................ 18
3.2.2 Checking the fuses........................................................................................................................... 19
3.2.3 Checking the LEDs on D801 ........................................................................................................... 19
3.3 CHECKING THE CONTROL VOLTAGES ................................................................................................... 19
3.4 CHECKING THE INTERMEDIATE CIRCUIT VOLTAGE................................................................................ 20
3.5 CHECKING THE MAXIMUM MAIN INVERTER FREQUENCY ...................................................................... 20
3.6 FILAMENT CURRENT MEASUREMENT .................................................................................................... 20
3.7 CHECKING THE HIGH VOLTAGE KVSOLL AND KVIST............................................................................. 20
3.8 SETTING THE MAXIMUM FILAMENT FREQUENCY .................................................................................. 21
3.9 CHECKING THE TUBE CURRENT ............................................................................................................. 21
3.10 CHECKING THE KV AND TUBE CURRENT (JR)........................................................................................ 21
3.11 CHECKING THE MAS VALUES ................................................................................................................ 21
3.12 ADJUSTING THE MAS ............................................................................................................................ 22
3.13 SWITCHING THE COLLIMATOR LIGHT ON............................................................................................. 22
3.14 ALIGNING THE LIGHT FIELD TO THE RADIATION FIELD .......................................................................... 22
3.14.1 Operating sequence .................................................................................................................... 22
3.14.2 Evaluation: ................................................................................................................................. 22
3.15 CHECKING AND READJUSTING THE COUNTERWEIGHT ........................................................................... 23
3.16 ADJUSTMENT INSTRUCTIONS : .............................................................................................................. 23
3.17 REPLACING THE SINGLE TANK............................................................................................................... 23
3.18 REPLACING THE COLLIMATOR............................................................................................................... 24
3.19 REPLACING THE COLLIMATOR LAMP .................................................................................................... 24
4 SPECIFIC CODE HANDLING ............................................................................................................ 25
4.1 UNIT NOT SWITCHING ON..................................................................................................................... 25
4.2 NO RADIOGRAPHY ................................................................................................................................27
4.3 NO STANDBY ........................................................................................................................................ 29
4.4 INITIALISATION CODES.......................................................................................................................... 30
4.4.1 Code 90 (EPROM CHECKSUM FAILURE)................................................................................... 30
4.4.2 Code 96 (KV SOLL FAILURE) ......................................................................................................30
4.4.3 Code 97 ( mA FAILURE) ................................................................................................................ 30
4.5 STANDBY CODES .................................................................................................................................. 31
4.5.1 Code 02 : +15 V Supply Code......................................................................................................... 31
4.5.2 Code 03 & 04 : Iheiz < Istby & Iheiz > Istby.................................................................................. 32
4.5.3 Code 05 : kVist <> 0....................................................................................................................... 33
4.5.4 Code 06 : JR <> 0........................................................................................................................... 34
4.5.5 Code 33 : Main Inverter Short Circuit ............................................................................................ 35
4.6 EXPOSURE CODES ...........................................................................................................................36
4.6.1 Code 11 : Main Inverter Short Circuit ............................................................................................ 36
4.6.2 Code 12 : kVist > kVmax................................................................................................................. 37
4.6.3 Code 13 : Iheiz > Imax OR JR > Jrmax......................................................................................... 38
4.6.4 Code 14 : kVist < kVsoll.................................................................................................................. 39
4.6.5 Code 15 : JR < JRS ......................................................................................................................... 40
4.6.6 Code 17 : Exposure terminated by Backup Timer........................................................................... 41
4.6.7 Code 18 : Premature termination of Exposure................................................................................ 42
4.6.8 Code 21 : Iheiz > Iheiz maximum.................................................................................................... 43
4.6.9 Code 22 : Maximum Preparation Time........................................................................................... 44
4.6.10 Code 10 : Rotating Anode not OK.............................................................................................. 45
4.6.11 Code 31 : No charging ............................................................................................................... 46
4.6.12 Code 01 : Err signal on D950A active ....................................................................................... 48