Siemens MOBILETT XP Troubleshooting Manual
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Siemens MOBILETT XP Troubleshooting Manual

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K ö p p i n g
MOBILETT XP
Troubleshooting Guide
System
Troubleshooting Guide
Valid for
- MOBILETT XP
- MOBILETT XP Eco
- MOBILETT XP Hybrid
- MOBILETT XP Digital
Print No.:
SPR8-230.840.01.05.02
Replaces: SPR8-230.840.01.04.02
01818454
01818363
SP
2003
© Siemens AG
The reproduction, transmission or use
of this document or its contents is not
permitted
without
express
authority. Offenders will be liable for
damages. All rights, including rights
created by patent grant or registration
of a utility model or design, are
reserved.
English
Doc. Gen. Date: 11.05
written

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Summary of Contents for Siemens MOBILETT XP

  • Page 1 K ö p p i n g MOBILETT XP Troubleshooting Guide System Troubleshooting Guide Valid for - MOBILETT XP - MOBILETT XP Eco - MOBILETT XP Hybrid 2003 © Siemens AG - MOBILETT XP Digital The reproduction, transmission or use 01818363...
  • Page 2 Assemblers and other persons who are not employed by or otherwise directly affiliated with or authorized by Siemens or one of its affiliates are directed to contact one of the local offices of Siemens or one of its affiliates before attempting installation or service pro- cedures.

  • Page 3: Table Of Contents

    5 _______ Function Check ________________________________________________ 46 Reading out the MOBILETT XP error memory....... . 46 Checking the line voltage supply .
  • Page 4 Program 13 - sound level of the keyboard....... . . 71 8 _______ Changes to Previous Version _____________________________________ 72 MOBILETT XP SPR8-230.840.01.05.02...

  • Page 5: Performance Of Work

    General information Performance of work 1General information Any technician duly assigned by the local Siemens office is authorized to perform mainte- nance and service work. Certain tasks may also be performed by other technical personnel (e.g. the customer's hospital technicians). These tasks are marked by the icon shown here.

  • Page 6: Special Notes

    NOTE NOTE is used to indicate information that explains the proper way to use devices or to carry out a process, i.e., provides pointers and tips. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 6 of 72 11.05 CS SD 24...

  • Page 7: Icons

    Certain tasks can also be performed by other technical personnel (e.g. the customer's hospital technicians). Certain sections apply only to the USA. These sections are marked with this icon. Fig. 1: Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 7 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 8: Product-Specific Safety Measures

    Product-specific safety measures DANGER While performing maintenance and service work on the MOBILETT XP/Eco/Hybrid/Digital with the covers removed, it is possible to come into contact with components under voltage. Carelessness can result in death or serious bodily injury. When performing maintenance and service work, the following is...
  • Page 9 The safety covers can be removed after this period has elapsed. • Prior to performing any work, it must be verified that areas with dangerous voltage are voltage-free (Fig. 2 / p. 10). Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 9 of 72 Medical Solutions 11.05 CS SD 24...
  • Page 10 U1 and U2 as long as the power cord is connected. Additionally for XP Hybrid/XP Digital: CAUTION: DC voltage (300 V) from the battery block to PCB D982! Always disconnect the battery plug from BK1-BK4. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 10 of 72 11.05...

  • Page 11: System Overview - User

    (10) Power cord (22) X-ray tube assembly (11) Brake handle for cable winch (23) Light localizer buttons (two sides) (12) Cassette compartment (24) Motor control (Hybrid) Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 11 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 12: Orientation

    These orientation indicators are used in all technical documents. Descriptions are always from the “forward travel” user view. Al- ways reference these indicators when communicating with third parties (e.g., USC/HSC). MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 12 of 72 11.05...

  • Page 13: System Overview - Mobilett Xp/Eco/Hybrid Service

    General information System overview - MOBILETT XP/Eco/Hybrid service Fig. 5: Top view_01 Common parts of MOBILETT XP, Eco and Hybrid Abbreviations Explanation D908 User display and control D916 CPU board D917 Galvanic separation for S27/DAP/Remote Remote control board (remote control option) Siemens AG SPR8-230.840.01.05.02...
  • Page 14 General information Fig. 6: Schematic overview of XP, Eco, Hybrid Common parts of MOBILETT XP, Eco and Hybrid Abbreviations Explanation Key switch, Power ON/OFF Line filter C1 (R1) Capacitor for inverter with discharge resistor (front left side / not shown here)
  • Page 15 Battery block, left BK3 / BK4 Battery block, right mr/ml Motor right / motor left Optional parts for MOBILETT XP; Eco and XP Hybrid (not pictured) DAP chamber Dose area product measuring chamber (mounted on the collima- tor) D991 DAP adapter board (mounted in the collimator cover)

  • Page 16: System Overview - Mobilett Xp Digital Service

    General information System overview - MOBILETT XP Digital service Fig. 7: Schematic overview of XP Digital MOBILETT XP Digital parts Abbreviations Explanation D916/D919 CPU board/X-ray interface D917 Galvanic separation for S27/DAP/remote Remote control board (remote control option) Key switch, power ON/OFF...
  • Page 17 Connecting unit between CXDI PC and CXDI detector DC converter 300V DC/24V DC Inverter 24V DC/220V AC Power supply CXDI PC (laptop) Optional parts for MOBILETT XP Digital (not shown in illustration) DAP chamber Dose area product measuring chamber D991...

  • Page 18: Required Documents

    2General Information on Troubleshooting • Operator Manual SPR8-230.621... • Wiring Diagram SPR8-230.621... • Instructions for installation and startup SPR8-230.814... • Replacement of Parts SPR8-230.841... • Disposal instructions SPR8-230.861... MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 18 of 72 11.05 CS SD 24 Medical Solutions...

  • Page 19: Required Tools, Test Equipment And Aids

    Required tools, test equipment and aids • Standard service tool kit • Digital multimeter • 2-channel storage oscilloscope with ± -2.5% accuracy • Ground wire test meter Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 19 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 20: Product-Specific Safety Measures

    Use the discharge resistor to safely discharge non-dis- charged capacitors. Secure the system via the brake. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 20 of 72 11.05 CS SD 24...

  • Page 21: Flow Chart - Troubleshooting

    The following charts serve exclusively as guidelines for the proce- dure for testing the elements or components. The associated work steps and safety measures are not described in these charts. Fig. 8: Troubleshooting_Procedure diagram_ Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 21 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 22: Chart 1

    U4 = the output voltage of power supply U3, 24 V (DC), the output voltage is 220 V (AC), power supply for CXDI PC and the touchscreen display MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 22 of 72 11.05...

  • Page 23: Chart 2

    - ERR 93 voltage error of +15 Vcc - ERR 96 kV converter error - ERR 97 mA converter error - ERR 98 J converter error Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 23 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 24: Chart 3

    - Start of rotating anode rotation - Start of preheating (pushing) of tube filament heating - Start of monitoring of the filament circuit - Start of monitoring of the exposure switch MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 24 of 72 11.05...

  • Page 25: Chart 5

    - ERR 25 preparation > 20 seconds - ERR 28 short-circuit in the starter - ERR 41 exposure not completed Chart 6 "Exposure release" The following functions are checked and/or performed: Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 25 of 72 Medical Solutions 11.05 CS SD 24...
  • Page 26 - ERR 37 error in the kV control loop - ERR 38 error in the mA control loop - ERR 39 timeout "t-max exposure" - ERR 41 exposure not completed - ERR 42 filament current exceeds permissible limit MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 26 of 72 11.05...

  • Page 27: Overviews

    To change the mode, switch SW2B, Service mode: Position 2 switch the system off and on again, or press reset button SW3. Reset button n.a. Fig. 9: CPU D916 Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 27 of 72 Medical Solutions 11.05 CS SD 24...
  • Page 28 Motor current (stator winding 1) 1 V ^ 4 A Motor current (stator winding 2) 1 V ^ 4 A Filament inverter (kHz) n.a. Main inverter (kHz) n.a. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 28 of 72 11.05 CS SD 24 Medical Solutions...

  • Page 29: D927 (Power Supply)

    6 A (500 V DC/ fast) Capacitor bank intermediate circuit 20 A (500 V DC/ fast) Capacitor charger 15 A (250V~/ slow) Line voltage 15 A (250V~/ slow) Line voltage Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 29 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 30: U1/U2 (Voltage Supply Dc)

    U3/U4 (voltage supply only for XP Digital (imaging system)) Test points Name Function / information +300 V DC/ +24 V DC +24 V/220 V AC MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 30 of 72 11.05 CS SD 24 Medical Solutions...

  • Page 31: D972 (Capacitor Bank)

    20 A (500 V DC/ fast) Capacitors C1-C12 20 A (500 V DC/ fast) Capacitor bank input 80 A (500 V DC/super fast) Capacitor bank output Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 31 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 32: D952 (Capacitor Bank Charger)

    Fig. 12: Board D952 (view with capacitor bank dismantled) D962 (kV - inverter board) The kV inverter does not include any displays, fuses, or test points relevant to trouble- shooting. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 32 of 72 11.05...

  • Page 33: D982 (Battery Charger)

    Trickle charge (U >80V<120V) LED on Charging process (U >120V<170V) LED on V80+V40 Batteries fully charged All LEDs off +V39 (Power line disconnected) Floating LED on Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 33 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 34: D102 (Motor Control)

    Fig. 13: D982 Battery charger__ D102 (motor control) Potentiometer, fuse Name Function / information Value Speed setting Factory-only setting Input 300 V (DC) 3.15 A fast MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 34 of 72 11.05 CS SD 24 Medical Solutions...
  • Page 35 Test Points, Fuses and LEDs Fig. 14: D102 (motor control) Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 35 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 36: Error Messages

    - If ERR 4 is displayed again, D962 must be replaced. - If ERR 4 is not displayed again, the problem is in the single tank, ca- pacitor C1, or the cable connection/plug to the single tank. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 36 of 72 11.05...
  • Page 37 Check the cable connection of measurement data log D907, the single Standby tank, and D916.X8 (CPU). Possible causes: Defective single tank, defective cable, defective D916 (CPU). Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 37 of 72 Medical Solutions 11.05 CS SD 24...
  • Page 38 Action: • Standby Check measurement point TP-VC on D916 (capacitor bank voltage) Possible causes: D952 Rare causes: Cable connection X20 (D916-D952-D962); D916 MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 38 of 72 11.05 CS SD 24 Medical Solutions...
  • Page 39 Explanation: D916 (CPU) detects a battery charge error. mode: Action: • Check cable connections D982 X2-D916 (CPU) X2. Standby • D982 defective. Possible defects: D982, D916 (CPU) Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 39 of 72 Medical Solutions 11.05 CS SD 24...
  • Page 40 Check test point TP - JIM on D916 (CPU) (high = error). • Check the filament current values for the preparation phase. (Possibly too high or too low). Adjust potentiometer P5 on D916 (CPU). Possible defects: D916; D907. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 40 of 72 11.05...
  • Page 41 5 Ohms; between X6-3 and X6-5 approx. 9 Ohms) in the switched-off state. Possible defects: D927, C2, cable connection to the single tank, single tank. Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 41 of 72 Medical Solutions 11.05 CS SD 24...
  • Page 42 • Check the cable connections between D916 and D962 (X20). • Check the cable connections between D962 and the single tank (U - V). • Check C1. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 42 of 72 11.05 CS SD 24...
  • Page 43 D916 (X8) and the single, D907. • Check the capacitors of the capacitor bank, all LEDs must light on D972 when the MOBILETT XP is "on". Possible defects: Fuse F1..F12, F14 (80A) on D972; C1..C12 D972, D962; D907; D916; C1 resonance capacitor.
  • Page 44 Exposure release with activated motor drive System Explanation: Exposure is not possible. mode: Safety precaution to prevent exposures while the system is being moved by motor drive. Exposure MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 44 of 72 11.05 CS SD 24 Medical Solutions...
  • Page 45 System Explanation: CPU board D916 is defective. status: Initializa- tion converter error ERR 98 System Explanation: CPU board D916 may be defective. status: Initializa- tion Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 45 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 46: Reading Out The Mobilett Xp Error Memory

    Function Check Reading out the MOBILETT XP error memory 5Function Check • Switch off the system and disconnect the power plug if necessary. Set the XP Hybrid operating mode switch to "0". Please observe all safety information. • Remove the upper cover. Remove the XP Digital upper covers and place them on their sides on a table or similar surface.

  • Page 47: Checking The Line Voltage Supply

    Check the cables from the line filter to D927. • Check line fuses F7 and F8 on board D927 (F7/ F8/Fig. 16 / p. 48). Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 47 of 72 Medical Solutions 11.05 CS SD 24...
  • Page 48 Function Check Fig. 16: D927 Pos. 1 Pos. 2 Pos. 3 F7/F8 MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 48 of 72 11.05 CS SD 24 Medical Solutions...

  • Page 49: Checking The Intermediate Circuit/Capacitor Bank

    Layout D972 of these instructions). If one or several LEDs on D972 is missing, the capacitor bank must be disman- tled completely. (See "Replacement of parts, MOBILETT XP"). • Check fuse F5 - D927. Only measure and change the fuse when plug X3/D927 is dis- connected and fuse F5 is voltage-free.
  • Page 50 = "0"), capacitors C1-C12 are discharged. LEDs V1-V12 show the charge level of the capacitors > 40 V. Complete discharge takes approx. 15 to 20 minutes. Fig. 17: D972 LED displays V1-V12 MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 50 of 72 11.05...
  • Page 51 Function Check Fig. 18: D927 capacitor voltage measurement Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 51 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 52: Battery Unit (Hybrid/Digital Only)

    D916 (CPU) checks the charge level of the batteries via charger D982. LEDs are acti- vated on the display of D908 (XP, Eco, Hybrid) (Fig. 21 / p. 53) or D909 (Digital) in accor- dance with the battery level. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 52 of 72 11.05...
  • Page 53 (left of right block) between 110V and 125V. NOTE If battery voltages of a battery block (left or right side) are < 110V, the MOBILETT XP (XP Hybrid/Digital) is turned off! NOTE If battery voltages of a battery block (left or right side) are < 80V, the battery pack can no longer be charged and must be replaced.

  • Page 54: Switch-On Mode

    - Preparation of the filament circuit - Preparation of the high-voltage circuit After conclusion of initialization, the system shows the preferred values for kV and mAs and is ready for operation. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 54 of 72 11.05...

  • Page 55: Mode Of Operation Of The Capacitor Bank

    When replacing one or more capacitors of the capacitor bank, all capacitors must have a voltage value of < 2 V to avoid outage of the fast fuses on D972. Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 55 of 72 Medical Solutions 11.05...

  • Page 56: Mode Of Operation Of The Anode Starter

    The braking process of the anode rotation lasts around 5 seconds. The system subse- quently switches over to standby. MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 56 of 72 11.05...

  • Page 57: High-Voltage Circuit

    Positive/negative high-voltage measurement • Switch off the system • Remove the top cover and, in the case of MOBILETT XP Digital, place it on its side on a table or similar surface (do not disconnect any cable connections) Siemens AG SPR8-230.840.01.05.02...
  • Page 58 • Switch off the system • Remove the top cover and, in the case of MOBILETT XP Digital, place it on its side on a table or similar surface (do not disconnect any cable connections) • Oscilloscope channel 1 at D916 TP “KVP” (4) and D916.GND (1), channel 2 at D916 TP “KVN”...
  • Page 59 • Switch off the system • Remove the top cover and, in the case of MOBILETT XP Digital, place it on its side on a table or similar surface (do not disconnect any cable connections) • Remove the metal plate over board D916 For MOBILETT XP Digital, remove the CXDI PC (laptop) and also remove the holder plate •...
  • Page 60 Basic functions Fig. 24: FC2_50kHz MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 60 of 72 11.05 CS SD 24 Medical Solutions...

  • Page 61: Filament Circuit

    - ERR 36, short-circuit of the filament inverter - ERR 38, error in the mA control loop - ERR 42, filament current exceeds permissible limit Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 61 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 62: Sample Heating Measurements

    • Switch off the system • Remove the top cover and, in the case of MOBILETT XP Digital, place it on its side on a table or similar surface (do not disconnect any cable connections). • Oscilloscope channel 1 at D916 TP “I” (7) and D916.GND (1) - resonant filament cur- rent.
  • Page 63 • Switch off the system • Remove the top cover and, in the case of MOBILETT XP Digital, place it on its side on a table or similar surface (do not disconnect any cable connections). • Remove the back cover of the MOBILETT XP (Access to D927) •...
  • Page 64 • Switch off the system • Remove the top cover and, in the case of MOBILETT XP Digital, place it on its side on a table or similar surface (do not disconnect any cable connections). • Oscilloscope channel 1 at D916 TP “I” (7) and D916.GND (1) - resonant filament cur- rent Oscilloscope setting: trigger channel 1, trigger stage 1 V, 2 V/div, sweep 100 µs/div...
  • Page 65 Basic functions Fig. 28: Preparation_ih_ir NOTE The oscillogram below shows a single oscillation (shorter time base) of the resonant filament current during preheating. Fig. 29: Vorbereitung_I Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 65 of 72 Medical Solutions 11.05 CS SD 24...
  • Page 66 • Switch off the system • Remove the top cover and, in the case of MOBILETT XP Digital, place it on its side on a table or similar surface (do not disconnect any cable connections). • Oscilloscope channel 1 at D916 TP “KV” (5) and D916 TP “GND” (1), channel 2 at D916 TP "JR"...

  • Page 67: Mas Counter

    If the time limit of 3 or 5 seconds is reached prior to mAs switch-off, the exposure is can- celed and an error message is output. Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 67 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 68: Overview

    It is not possible to reset to zero in the event of a tube change. The counter reading must be noted as the starting value for a new component (e.g. sin- gle tank). MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 68 of 72 11.05...

  • Page 69: Program 3 - Error Log

    For mains operation, you must ensure that the programmed values are valid only for the given line voltage (110V or 230V) on site. Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 69 of 72 Medical Solutions 11.05 CS SD 24...

  • Page 70: Program 7 - Setting The Maximum Main Inverter Frequency

    Use the mAs+ or mAs- keys to switch over. NOTE: If the battery voltage is less than 110 V (right or left side), the system is always switched off (Hybrid and Digital). MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 70 of 72 11.05...

  • Page 71: Program 11 - Exposure Points

    = loud; confirmation tone upon pressing the "kV," "mAs," or "collimator lamp" keys is ON • Use the mAs+ or mAs- keys to change this. Siemens AG SPR8-230.840.01.05.02 MOBILETT XP Page 71 of 72 Medical Solutions 11.05 CS SD 24...
  • Page 72 Explanations of 'ERR3 and 'ERR11' corrected Function check Battery module Completely rewritten Basic functions Filament circuit Completely rewritten Service programs Program 13 Adapted to the latest FW MOBILETT XP SPR8-230.840.01.05.02 Siemens AG Page 72 of 72 11.05 CS SD 24 Medical Solutions...

This manual is also suitable for:

Mobilett xp ecoMobilett xp hybridMobilett xp digital

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