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Siemens SC 7000 Service Manual

Patient monitors
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SC 7000 and SC 9000XL Patient Monitors
Service Manual
E331.E539U.719.10.01.02
ASK-T898-03-7600

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Summary of Contents for Siemens SC 7000

  • Page 1 SC 7000 and SC 9000XL Patient Monitors Service Manual E331.E539U.719.10.01.02 ASK-T898-03-7600...
  • Page 3 • describe any equipment performance changes. It is the responsibility of the user to contact Siemens to determine warranty status and/or liabilities if other than an authorized Siemens technician repairs or makes modifications to medical devices. ASK-T898-02-7600 Siemens Medical Systems, EM-PCS Danvers apolotmfr5_5.advisory.fm/07-98/kaupp...
  • Page 4 Service Manual SC 7000 and SC 9000XL Patient Monitors Siemens Medical Systems, EM-PCS, Danvers ASK-T898-02-7600 apolotmfr5_5.Advisory.fm/07-98/kaupp...
  • Page 5 Figure 2-1 SC 7000 / SC 9000XL Bus Structure ....... .
  • Page 6 Figure 2-3 SC 7000 / SC 9000XL Block Diagram ....... .
  • Page 7 SC 7000 and SC 9000XL Patient Monitors Service Manual 5.1 Overview ............. . 15 5.2 Outputs .
  • Page 8 Service Manual SC 7000 and SC 9000XL Patient Monitors 8.3 Functional Description ........... 21 8.3.1...
  • Page 9 4.2.3 Installing SIEMENS Metal Logo Label ....... . .39 4.2.4 Installing Monitor Model Label .
  • Page 10 6.3 Replacing Rear Housing ..........49 Figure 3-9 Main Subassemblies of SC 7000 and SC 9000XL Patient Monitors ..50 Figure 3-10 Front Bezel Subassembly Components .
  • Page 11 8 Closing Monitor ............55 Figure 3-14 SC 7000 / SC 9000XL Patient Monitor Bottom View ....56 Figure 3-15 Installing Security Clip and Tape .
  • Page 12 Service Manual SC 7000 and SC 9000XL Patient Monitors 8 SpO2 Function ............63 8.1 SpO2 Test Setup .
  • Page 13 SC 7000 and SC 9000XL Patient Monitors Service Manual 13.1.4 HEMO4 POD Channel C ..........71 13.1.5...
  • Page 14 Service Manual SC 7000 and SC 9000XL Patient Monitors 10Visible or Audible Alarm Reporting Failure........83 Table 5-7Alarm Malfunctions .
  • Page 15 Table B-9HemoMed Pod Cable Connector Pinouts ......104 9 SC 7000 / SC 9000XL Analog Output Connector, X10 ......105 Figure B-12 Analog Output Connector (refer to Table B-8) .
  • Page 16 Service Manual SC 7000 and SC 9000XL Patient Monitors 12Remote Alarm Cable ............106 Figure B-15 Remote Alarm Cable - Unterminated (Refer toTable B-13) .
  • Page 17 For airway and sidestream CO monitoring, an etCO cartridge can be installed on a slide mount on the back of the SC 7000. Employing the "pick-and-go" concept, the monitor is simply picked up off of the docking station to return it to portable operation, with no interruption in patient monitoring.
  • Page 18 2.6 PSL The PSL power supply plugs directly into the PSL connector on the back of the SC 7000 or SC 9000XL, and is used for operating the monitor in a stand-alone configuration. The PSL provides the following: • powers the SC 7000 or SC 9000XL from an AC power source •...
  • Page 19 User Guide and supplements for the installed software version. 7.1 SC 7000 and SC Control of all SC 7000 and SC 9000XL functions is via fixed keys that have 9000XL Monitor tactile feedback, and a rotary knob for selecting from on-screen menus.
  • Page 20 • Locked Options • Waveform Simulator 10.3 Install Monitoring Software and languages for SC 7000 and SC 9000XL Monitors are installed Software from a memory card via the monitor’s memory card reader. If the software loading process fails to complete properly, and/or the monitor sounds a steady tone (other than the Piezo), repeat the procedure.
  • Page 21 SC 7000 and SC 9000XL Patient Monitors Service Manual 4) Access Bedside Setup, and verify that settings of Language, Regulation, Alarm Sounds, Transport Brightness, and Line Frequency are approrpriate for customer site. Also, assure that Waveform Simulator is set to OFF.
  • Page 22 Att: SC 7000 / SC 9000XL Project Manager Note: The battery in the Data Card must be recharged for a period of 12 hours approximately every six months. Any SC 7000 or SC 9000XL Monitor powered by a CPS, IDS, or PSL can be used to recharge the Data Card.
  • Page 23 Chapter 2: Theory of Operation 1 Introduction The SC 7000 and SC 9000XL are high-end single-board patient monitors. The board provides the following parameters; 6 lead ECG, Respiration, two Temperatures, SpO , NBP, four IBPs, Cardiac Output, an interface connector for an etCO cartridge, and two onboard 5 watt patient isolated ports for additional parameters.
  • Page 24 Service Manual SC 7000 and SC 9000XL Patient Monitors 1.1 Main Processor Bus The Main processor bus is a 32 bit data bus connecting the MPC860 to its main bank of 16 meg DRAM memory. The Program for the monitor is stored in 8 meg Flash memory and uploaded to DRAM during initialization.
  • Page 25 SC 7000 and SC 9000XL Patient Monitors Service Manual 1.4 Error Handling The hardware provides several circuits for error detection, error recovery, and safety. The main processor bus, front end processor bus, and REMOTE COMM bus both have timeouts implemented with the arbiter to prevent a lock up of the system.
  • Page 26 Service Manual SC 7000 and SC 9000XL Patient Monitors Processor Section The processor section contains all computer functions of the monitor. It contains two MPC 860 processors, a VGA graphics controller, and a 2181 DSP. All of these devices communicate using one large FPGA (field programmable gate array) that is downloaded at initialization.
  • Page 27 88 to 264 vac. The Docking Station is a passive device that serves as a sturdy mount for SC 7000 and SC 9000XL (as well as SC 9000 and SC 6000 series patient monitors), in support of the P concept, and provides pass- through signals between the monitor and the CPS.
  • Page 28 1 kohm load, and provides an ac coupled output. 2.10.6 LED/Status Interface Five LEDs provide information in the present SC 7000 and SC 9000XL configurations. Two are dedicated to the front end processor, to the DSP, and two to the main processor.
  • Page 29 FPGA to allow for an extended FIFO. 2.12 Backlight Control SC 7000 and SC 9000XL displays require a fluorescent backlight for visibility. The backlight invertor is located on the front bezel board. Intensity of the light is controlled by a variable power ac inverter and is based on ambient light detection as well as operator selection.
  • Page 30 Service Manual SC 7000 and SC 9000XL Patient Monitors 3.3 Video Output The Graphics Subsystem provides output to an internal flat panel display, while simultaneously providing the same output for a remote analog display. The remote display signals are available on the docking station connector and can drive a standard VGA monitor.
  • Page 31 SC 7000 and SC 9000XL Patient Monitors Service Manual Common RAM Memory Buffers Channel A Channel B Channel C Channel D Data In Data In Data In Data In Data Out Data Out Data Out Data Out Main FPGA Pod Com...
  • Page 32 Service Manual SC 7000 and SC 9000XL Patient Monitors +3.3V Computer Section Docking Station +5.0V MultiMed Power +12VDC ±12V +40V V Buss Enable +40V HemoMed Switches Power Auxiliary Battery Battery Battery Charger NBP Pump Main Pod Com Battery Backlight NBP Valves...
  • Page 33 SC 7000 and SC 9000XL Patient Monitors Service Manual It also provides a safety timer for the NBP pneumatics, which are controlled by the main processor FPGA. Logic circuits on the main gate array sequence the power to the Pods, Cartridges, and Recorder to reduce power on load transients.
  • Page 34 Service Manual SC 7000 and SC 9000XL Patient Monitors Table 2-1 Power and Charger LED Indicators (Continued) CONDITION LED STATE Charger Docking station power on Docking station power off *Battery or power fault * The charger LED is off if the main battery temperature is excessive or if there is a power fault.
  • Page 35 6.2 Electrical The following specifications indicate the design limits of the power system Specifications and do not relate to a present design configuration of the SC 7000 or SC 9000XL. 6.2.1 Power Supply Input Docking Station, PSL Source (measured at monitor connectors) 11.0 to 15 volts DC @ 6.0 Amps Max.
  • Page 36 2kΩ potentiometer which is used to calibrate the ambient light sensor at the factory. 7.5 Local Rotary Knob/ The SC 7000 and SC 9000XL base units each have twelve fixed keys. An fixed Keys Interface additional key is dedicated as the power on/standby switch. The rotary knob interface provides a 2-bit encoder output and also a rotary knob push button signal output.
  • Page 37 SC 7000 and SC 9000XL Patient Monitors Service Manual Pressure Low-Pass Hose Transducer Filter Power Monitor Temp Linearizer Temp Ref. RF Filter Lead Off Bandpass Pre- Neutral Filter Pace Current 16 Bit Modulator Sources A / D Lead Converter Select...
  • Page 38 Service Manual SC 7000 and SC 9000XL Patient Monitors Impedance respiration is sensed through the ECG electodes. Void-free potting and internal shielding enable compact containment of high voltage defibrillator and electrosurgery pulses. The small interconnecting cable to the main assembly is captive at the MultiMed POD but plugs into the MultiMed front end via a specially shielded connector.
  • Page 39 SC 7000 and SC 9000XL Patient Monitors Service Manual + Clamp RF Filter Augmented - Clamp aVL, aVR, Leads + Clamp Chest RF Filter - Clamp Wilson Star + Clamp Normal Leads RF Filter Chest - Clamp Resp Demod + Clamp...
  • Page 40 Service Manual SC 7000 and SC 9000XL Patient Monitors Figure 2-10 Respiration Functional Block Diagram Impedance respiration is monitored by injecting a nominally 40kHz square wave of current into one ECG electrode and removing it at another ECG electrode. The resulting 40kHz voltage drop across those electrodes is proportional to the impedance.
  • Page 41 SC 7000 and SC 9000XL Patient Monitors Service Manual Figure 2-12 SpO Functional Block Diagram 8.3.3 SpO Determination of the concentration of oxygen in the blood depends on the principle that the absorption of red (R) light depends on the degree of oxygenation of the blood, whereas the absorption of infrared (IR) radiation is independent of oxygenation and causes only constant attenuation.
  • Page 42 Service Manual SC 7000 and SC 9000XL Patient Monitors Figure 2-13 NBP Functional Block Diagram 9 NBP Refer to Figure 2-13. 9.1 Introduction The NBP design measures blood pressure non-invasively using an inflatable cuff and the oscillometric method. The NBP algorithms are performed in the front end processor.
  • Page 43 SC 7000 and SC 9000XL Patient Monitors Service Manual thermal transients to settle. Either V1 or V2 is now modulated to control the deflation rate. The choice of V1 or V2 and the initial pulse width is made based on the inflation cycle. The chosen valve is modulated and the pulse width (open time) is continuously adjusted to provide a constant deflation rate.
  • Page 44 Service Manual SC 7000 and SC 9000XL Patient Monitors • Neonatal mode switching of pump and overpressure • Safety logic 9.7 Non-volatile memory A EEPROM stores pneumatic component flow factors. During calibration at production system test and in the field, a 0.5 liter canister is connected to the NBP input on the monitor.
  • Page 45 SC 7000 and SC 9000XL Patient Monitors Service Manual 10.3 Cardiac Output The two thermistor signals are connected to a precision resistor network to linearize voltage vs temp curve of the thermistor. The thermistor signals are filtered and clamped before amplification. Two calibration voltages are also sampled by the A/D converter to correct amplifier offset and gain errors.
  • Page 46 Service Manual SC 7000 and SC 9000XL Patient Monitors 11.1 System Hardware The module is a three-part system composed of a Digital Board, an Analog Board, and an Accessory Assembly. The Digital Board has two major functional areas: the power supply section and the bulk of the digital control logic.
  • Page 47 SC 7000 and SC 9000XL Patient Monitors Service Manual ZERO PUSH +5V OUTPUT +12V INPUT BUTTONS CO START NON-ISOLATED CURRENT LIMITED 4 VOLTS WEDGE SWITCHING POWER VOLTAGE SUPPLY CLAMP AND REFERENCE FILTERING 200KHZ SYNC SIGNAL -5V OUTPUT NETWORKS CONTROLLER DIFFERENTIAL TO...
  • Page 48 Service Manual SC 7000 and SC 9000XL Patient Monitors A multiplexer selects one of the two temperatures or one of the two calibration points and connects the voltage to the input of a fixed gain amplifier. The two calibration points are used to correct gain and offset errors in the amplifier circuits.
  • Page 49 SC 7000 and SC 9000XL Patient Monitors Service Manual Network CPS NFINITY The SC 7000 and SC 9000XL have been designed to function in standalone mode or in an I . They are not compatible with SIRENET. NFINITY ETWORK and IDS (w/ Power...
  • Page 50 (The default selection is the SC6000 link.) If an SC 7000, SC 9000XL, or SC 9000 unit is detected, the relays switch to the REMOTE COMM type link. A time filter is applied to each signal, such that the function must be valid for a minimum of 64 milliseconds before activating.
  • Page 51 240Vac (auto-ranging) @ 50/60Hz, to supply 12VDC @ 10.8A to an Infinity Docking Station, for powering Patient Monitors mounted on the docking station. The Power Supply can also power an SC 7000, SC 9000XL. SC 9000, or SC6000 series monitor directly as a replacement for the AC Power Adapter (PSL) in standalone installations.
  • Page 52 Service Manual SC 7000 and SC 9000XL Patient Monitors This page intentionally blank. Siemens Medical Systems, EM-PCS, Danvers ASK-T898-03-7600 NOT A CONTROLLED DOCUMENT 7k9kXLTM.c2.CD_ROM.fm/04-99/kaupp...
  • Page 53 Chapter 3: Repair 1 Introduction This chapter describes how to disassemble SC 7000 and SC 9000XL Patient Monitors, replace parts and subassemblies that Siemens has identified as field-replaceable (see “Appendix A: Replacement Parts” ), and reassemble the monitors. The structure of an SC7000 or an SC 9000XL consists of a base unit with attachable modules and pods.
  • Page 54 To install or reinstall a knob, align and firmly press knob onto shaft. 4.2 Replacing Front Bezel The Language Label kit ships with a set of language labels and SC 7000 Labels and SC 9000XL model labels (see Figure 3-10 on page 51).
  • Page 55 3) Remove protective covering from remainder of language label, and with a similar motion affix label along bottom of bezel. 4.2.3 Installing SIEMENS Metal Use this procedure if SIEMENS metal logo label not already installed on Logo Label front bezel.
  • Page 56 Service Manual SC 7000 and SC 9000XL Patient Monitors Figure 3-1 SC 7000 and SC 9000XL Rear View w/ Cover Removed 4 pl Figure 3-2 Rear Housing Components/Subassemblies (Left Side-Panel Removed) Note: Numbers in white circles call out replaceable parts. Numbers in black circles are for text references.
  • Page 57 SC 7000 and SC 9000XL Patient Monitors Service Manual Removing Battery To remove installed external battery, open hinged door to lift battery. An ejector spring pushes the battery partially out of compartment, releasing it from connector. Pull battery out to remove it from compartment.
  • Page 58 Service Manual SC 7000 and SC 9000XL Patient Monitors Figure 3-3 Battery Cable Ties 3) Depress release tab on each ty-wrap lock (see Figure 3-3) and pull ty- wrap tongues out of locks to free battery. 4) Note routing of speaker cable, and slide battery out of compartment.
  • Page 59 SC 7000 and SC 9000XL Patient Monitors Service Manual Figure 3-4 NP Subassembly in Rear Housing " 4.7 NP Filters and Pump The NP subassembly, in Figures and 3-2, is housed in a Subassembly compartment above the external battery on the back of the monitor. Use the following procedure to replace filters and/or the NP subassembly.
  • Page 60 Service Manual SC 7000 and SC 9000XL Patient Monitors Caution Be careful that the pliers or tweezers do NOT damage the tubing. Also, do NOT put any tension on the other end of the tubing, routed through the access hole in the back of the rear housing.
  • Page 61 SC 7000 and SC 9000XL Patient Monitors Service Manual 5) With monitor in Adult mode, power monitor ON and set following in NBP parameter field menu: • Interval Time - OFF • Continuous Mode - OFF • Calibrate Mode - ON. (Observe “NBP Cal. = 0 mmHg” appears.) 6) Perform a calibration check.
  • Page 62 Note: The button cover is not centered on the shaft, and can be installed in only one orientation. /HIW 5LJKW Figure 3-5Removing Left and Right Side Panels (SC 7000 left side panel shown in illustration) 5.1.3 Removing Right Side Panel 1) Place monitor left side down on a smooth clean surface.
  • Page 63 2) Press firmly on dots just below each side of IBP connector port shown Figure 3-5 (SC 7000 side panel used in illustration), to release latch. 3) While pressing on dots, slide panel downward to release locking tabs, and then lift cover off of monitor.
  • Page 64 Service Manual SC 7000 and SC 9000XL Patient Monitors Figure 3-8 Top Release Tabs for Front Bezel Subassembly 4) Return monitor to its proper upright position, with back of monitor facing you. 5) Insert tip of small screwdriver into each of two release slots on top of...
  • Page 65 SC 7000 and SC 9000XL Patient Monitors Service Manual Caution The funnel must be removed before attempting to remove the Main Processor PCB Subassembly. • The Front Bezel Subassembly, when installed, further locks the Main Processor PCB Subassembly in place and completes mechanical integration of the monitor’s several internal subassemblies.
  • Page 66 Front Bezel Subassembly Figure 3-9 Main Subassemblies of SC 7000 and SC 9000XL Patient Monitors (left side panel not shown). Note: Numbers in black circles relate to corresponding numbers in white circles. See text. as a specific replacement for a defective housing or Connector I/O PCB.
  • Page 67 SC 7000 and SC 9000XL Patient Monitors Service Manual in Figure 3-11) in Figure 3-11) in Figure 3-11) Figure 3-10 Front Bezel Subassembly Components. Note: Numbers in white circles call out replaceable parts. Numbers in black circles are referenced in text.

  • Page 68: Table Of Contents

    Service Manual SC 7000 and SC 9000XL Patient Monitors 7 Replacing Replaceable subassemblies in the Front Bezel Subassembly are as follows: " Subassemblies in • Front Bezel PCB Subassembly Figure 3-10 on page Front Bezel • Optical Encoder Subassembly , and...
  • Page 69 SC 7000 and SC 9000XL Patient Monitors Service Manual < 6) Unplug optical encoder ribbon cable connector ( Figure 3-10 on page 51 Figure 3-12 on page 52) from Front Bezel PCB. 7) Refer to Figure 3-10 Figure 3-12. Unscrew nut...

  • Page 70: Optical Encoder Subassembly

    Service Manual SC 7000 and SC 9000XL Patient Monitors 6) Refer to Figure 3-10 on page 51. Plug display screen flex cable connector into display screen subassembly PC board, and display backlight connectors and membrane switch ribbon cable connector into Front Bezel PC Board.

  • Page 71: Front Bezel/Lens Subassembly

    A replacement Front Bezel/Lens Subassembly ships with an installed lens, Subassembly mounting frame, Siemens Metal Logo, and feet. The Language Label Set which includes SC 7000 and SC 9000XL Monitor Model Labels (see Figure 3-10 on page 51) must be ordered separately, 1) Install “SIEMENS”...
  • Page 72 6) Apply slight pressure in direction illustrated by heavy arrow in Figure 3- 15 to assure tab of rear housing is securely engaged in front bezel. Figure 3-14 SC 7000 / SC 9000XL Patient Monitor Bottom View 7) Keeping pressure on lever (...
  • Page 73 Chapter 4: Functional Verification and Calibration 1 Introduction Calibration required for proper operation of SC 7000 and SC 9000XL Patient Monitors have been programmed into the software for the monitor. An adjustment potentiometer, however, permits calibration of the NBP transducer in the field, if required following a calibration check. Specific...
  • Page 74 Service Manual SC 7000 and SC 9000XL Patient Monitors Table 4-1Recommended Tools and Test Equipment Tools & Test Equipment Description ECG/Resp: Patient ECG/Resp simulator DNI Medsim 300B or equivalent Leads: Three-lead grabber set, or IEC color code 1 Art. No. 33 75 230 E530U IEC color code 2 Art.
  • Page 75 SC 7000 and SC 9000XL Patient Monitors Service Manual 3 Power Circuits and The following procedures check the monitor’s power circuits, power-up sequence, and power off indicator. Begin this procedure with the monitor Start-up turned off and powered only by fully charged main battery.
  • Page 76 Service Manual SC 7000 and SC 9000XL Patient Monitors 6) Verify that backlite provides sufficient and uniform background illumination for LCD, while connected to external power source (CPS, IDS, PSL). 7) Verify intensity change with change in ambient light. 8) Press Main Screen key to return to MAIN screen.
  • Page 77 SC 7000 and SC 9000XL Patient Monitors Service Manual 1) Press the key and verify that a change occurs in the display. 2) Double-click key to return display to former status. 6.7 Record Key The Record key starts and stops a recording of limited duration when the monitor is mounted on an IDS (or CPS).
  • Page 78 Service Manual SC 7000 and SC 9000XL Patient Monitors 2) Set simulator as follows: • ECG = Normal Sinus • HR = 80 beats per minute (bpm) • amplitude = 1.0 mV • RESPIRATION = Normal Rest. • rate = 20 breaths per minute (BPM) •...
  • Page 79 Life-Threatening alarm. Switch power to simulator ON. 8 SpO Function The SC 7000 and SC 9000XL monitor oxygen saturation (SpO ) and pulse rate using the spectrophotometric method. SpO software is checked on monitor power-up and also periodically while the monitor is in operation.
  • Page 80 Use the following procedure to check temperature calibration. Record and Calibration Check retain results in a copy of Table 4-2. Also record results in Appendix D. Monitor must be returned to Siemens for repair if calibration check fails. Table 4-2 Resistance Value vs Temperature Resistance...
  • Page 81 SC 7000 and SC 9000XL Patient Monitors Service Manual 10Non-Invasive Blood The SC 7000 and SC 9000XL measure non-invasive blood pressure (NBP) according to the oscillometric method. Perform NBP characterization after Pressure Function replacing the NBP Subassembly and also after replacing the Rear Housing Subassembly (which includes the Connector I/O PCB).
  • Page 82 Service Manual SC 7000 and SC 9000XL Patient Monitors 1) Return to Main menu. Using hand bulb, increase pressure to 250 ±5 mmHg, if necessary, and allow it to stabilize for 1 minute. 2) Verify that pressure values displayed on monitor and pressure indicator are within ±3 mmHg of each other.
  • Page 83 9) Verify that tone sounds and pump fails to start. 10) Power-cycle monitor to clear fault condition. 11etCO Function The etCO Module enables the SC 7000 or SC 9000XLto non-invasively monitor end-tidal CO (etCO ) using a technique that relies on the selective absorption properties of CO to specific frequencies of infrared radiation.
  • Page 84 HEMO2/4 PODs are incorporated in the HemoMed Pod. A single cable connects the Pod to the HemoMed 1input on the left side of the SC 7000 or SC 9000XL. Pressure labels for HemoMed Pod channels are set in the monitor.
  • Page 85 9) Verify that pressure reading on monitor agrees with values generated by pressure signal from simulator. If verifying only SC 7000, omit remaining steps in this section and go to section 12.2. If also verifying HEMO POD, go on to step 10.
  • Page 86 10) If monitor is an SC 9000XL, plug cable from HEMO POD IBP SC 9000 output into Aux./Hemo2 input and repeat steps 3 through 9. Otherwise, continue. 11) If functionally verifying only the SC 7000 or SC 9000XL, omit the remaining steps in this section and go to Section 13.2.
  • Page 87 SC 7000 and SC 9000XL Patient Monitors Service Manual 13.1.3 HEMO2/4 POD Channel B 12) Unplug BP adapter cable from channel A on HEMO POD and plug it into channel B. 13) Observe that pressure label changes to same pressure label as is shown in LCD window for channel B on front of HEMO POD.
  • Page 88 Service Manual SC 7000 and SC 9000XL Patient Monitors 3) Press C.O. START key on simulator, and verify an Injectate Temperature indication of 1±0.2°C. 14Memory Backup The monitor retains patient-related data, such as alarm limits, trends, and stored alarm recordings when it is powered off.

  • Page 89: Figure

    Leakage with Line Voltage on Leads <50µA 17Leakage Current SC 7000 and SC 9000XL monitors are battery operated devices, functionally grounded through CPS or IDS power supply when operated Tests from a docking station. Leakage current tests assure that under both...
  • Page 90 Service Manual SC 7000 and SC 9000XL Patient Monitors 3) Verify that current does not exceed values given in Table 4-3. 4) Record all values in monitor’s functional verification checklist. 18Battery Charger 1) With a partially discharged main (internal) battery and no external...
  • Page 91 Chapter 5: Troubleshooting 1 Introduction Troubleshooting SC 7000 and SC 9000XL monitors is either a two- step or three-step process. Step 1) Determine whether the trouble is external, such as a malfunctioning module, Pod, connector, or cable, or internal. Step 2) Do either a or b as appropriate.
  • Page 92 Service Manual SC 7000 and SC 9000XL Patient Monitors 3 Power Problems Before troubleshooting power problems, keep in mind that fuses are used to protect delicate circuits from potentially harmful currents. Replacement of a fuse may provide only a temporary solution and may not remove the source of the fault.

  • Page 93: Figure

    SC 7000 and SC 9000XL Patient Monitors Service Manual 5) Open monitor and remove Main Processor PCB Subassembly from rear housing to access Connector I/O PCB. 6) Check continuity of F1. See Figure 5-1 on page Note: It is not necessary to remove Connector I/O PCB from rear housing or lift one side of fuse.
  • Page 94 Service Manual SC 7000 and SC 9000XL Patient Monitors Removing the Connector I/O PCB requires that the slide lock on the etCO connector on back of the monitor be removed to release the board. This damages the label above the connector. The damaged label must then be removed and a replacement label (supplied with replacement fuses) installed in its place.
  • Page 95 SC 7000 and SC 9000XL Patient Monitors Service Manual 3.4 ON/OFF control 1) Open monitor and remove Main Processor PCB Subassembly from problem rear housing to access Connector I/O PCB. 2) Check continuity of F1, F2, and F3. See Figure 5-1 on page Note: It is not necessary to remove Connector I/O PCB from rear housing or lift one side of fuse.
  • Page 96 Service Manual SC 7000 and SC 9000XL Patient Monitors 7) Is resistance <5Ω? Yes: Go on to step 8. Replace power cable harness. 8) Plug power cable connector back into X1, unplug battery connectors from battery terminals (main battery) or remove external battery, and measure voltage at battery connectors on power cable.
  • Page 97 SC 7000 and SC 9000XL Patient Monitors Service Manual 4 Monitor Resets During startup and also during normal monitor operations, diagnostic programs running in the background environment provide a constant monitoring of critical hardware components and software functions. In the event a critical component or software function is determined by the software to be malfunctioning or there is no response to a requested task, the diagnostics may force a full or partial main processor reset.
  • Page 98 Service Manual SC 7000 and SC 9000XL Patient Monitors 8 LCD Display Malfunction Table 5-6 LCD Display Malfunction Symptom(s) Possible Cause(s) Troubleshooting and Remedial Action Display backlight Sensor malfunction 1. Assure that monitor is being powered by CPS/IDS or intensity does not vary PSL, and intensity control is set to “Auto”...
  • Page 99 SC 7000 and SC 9000XL Patient Monitors Service Manual 10Visible or Audible Alarm Reporting Failure. Table 5-7 Alarm Malfunctions Symptom(s) Possible Cause(s) Troubleshooting and Remedial Action Audible Alarm O.K., Software problem 1. Try reinstalling software. but Visible Alarm Fails. 2. If problem persists, contact TSS in Solna or Danvers.
  • Page 100 Service Manual SC 7000 and SC 9000XL Patient Monitors Table 5-8 Parameter Signal Problems (Continued) Symptom(s) Possible Cause(s) Troubleshooting and Remedial Action parameter box Sensor malfunction 1. Check illumination of red LED in the sensor. fails to appear when Open cable or connector 2.
  • Page 101 SC 7000 and SC 9000XL Patient Monitors Service Manual 1%3 $UWLIDFW Result of erratic pressure values being sensed and could be related to an application problem or could caused by an intermittent connection to the sense line. 12.2 NBP Troubleshooting Before attempting to troubleshoot NBP malfunctions, do the following: 1) Check calibration.
  • Page 102 Service Manual SC 7000 and SC 9000XL Patient Monitors Table 5-9 NBP Malfunctions (Continued) Symptom(s) Possible Cause(s) Troubleshooting and Remedial Action NBP pump starts, but Cuff assembly 1. Recheck cuff assembly and installation, and replace cuff fails to inflate/ malfunction cuff assembly if defective.
  • Page 103 SC 7000 and SC 9000XL Patient Monitors Service Manual 13etCO Malfunction. Table 5-10 etCO Malfunctions Symptom(s) Possible Cause(s) Troubleshooting and Remedial Action Parameter box fails to Sensor or cable 1. Clean calibration windows. appear when sensor malfunction 2. Replace etCO Sensor.
  • Page 104 Service Manual SC 7000 and SC 9000XL Patient Monitors 14.2 IBP Malfunctions. Table 5-11 IBP Malfunctions Symptoms Possible Cause(s) Troubleshooting and Remedial Action Zero All key, C.O.Start Cable malfunction 1. Try replacing pod / monitor cable. key or Wedge key on Pod malfunction 2.
  • Page 105 SC 7000 and SC 9000XL Patient Monitors Service Manual 15No Printout from Recorder. Table 5-12 Recorder Problems Symptoms Possible Cause(s) Troubleshooting and Remedial Action Recorder Power LED Recorder malfunction 1. Assure that all units in the power chain are properly NOT illuminated connected and powered ON.
  • Page 106 Service Manual SC 7000 and SC 9000XL Patient Monitors Table 5-12 Recorder Problems (Continued) Symptoms Possible Cause(s) Troubleshooting and Remedial Action Local Recorder Recorder malfunction 1. With an ECG waveform on Monitor display, provided connected to Monitor by patient simulator, press Record key.
  • Page 107 SC 7000 and SC 9000XL Patient Monitors Service Manual Problem Report SC Series Patient Monitoring Enter all applicable data in the spaces provided, and include a copy of this form when faxing a request for technical assistance. Name of contact...
  • Page 108 Service Manual SC 7000 and SC 9000XL Patient Monitors This page intentionally blank. Siemens Medical Systems, EM-PCS, Danvers ASK-T898-03-7600 NOT A CONTROLLED DOCUMENT 7k9kXLSM.c5.CD_ROM.fm/04-99/kaupp...
  • Page 109 Appendix A: Replacement Parts The etCO2 cartridge and MultiMed / MultiMed 12 Pods in SC 7000 and SC 9000XL monitoring systems have no internally replaceable components. If malfunctioning, these system components must be returned to Siemens for repair or exchange.
  • Page 110 Service Manual SC 7000 and SC 9000XL Patient Monitors Figure A-1 Major Subassemblies, w/ Funnel and Side Panels (Exploded View) Table A-1Major Replaceable Subassemblies, Funnel, Side Panels and Labels Item Siemens Article Description Number Front Bezel Assembly (incl. all subassembl. in front bezel except language labels) 55 88 301 E539U...
  • Page 111 55 84 821 E539U Foot .40 SQ X .25 THK (Pkg -12) 43 11 374 E533U Language Label Kit, SC 7000 (incl. SC9000XL Model label) 57 34 699 E539U Front Bezel/Lens Subassembly SC 7000 (incl. installed item 24) 57 34 707 E539U...
  • Page 112 Service Manual SC 7000 and SC 9000XL Patient Monitors 6 PL Figure A-3 Rear Housing - Replaceable Parts/Subassemblies Table A-3 SC 7000 Rear Housing Subassembly - Replaceable Parts/Subassemblies Item Siemens Article Description Number Main Battery 55 95 785 B2902 NBP Pump Subassembly w/ ty-wrap...
  • Page 113 SC 7000 and SC 9000XL Patient Monitors Service Manual 4 PL Figure A-4 R50 Recorder - Replaceable Parts/Subassemblies Table A-4 R50 Recorder Replaceable Parts/Subassemblies Item Description Siemens Article Number THERMAL ARRAY 2” RCDR 43 17 157 E527U FRONT BEZEL ASY R50...
  • Page 114 Service Manual SC 7000 and SC 9000XL Patient Monitors Figure A-5 Security Clip H/W Rwk Kit (See Table A-5.) Figure A-6 NBP Filter Capacitor on Main PCB H/W Rwk Kit (See Table A-5.) Table A-5 Field Rework Kits Siemens Article Item No.
  • Page 115 16 Rec RxD 26 TX− ALARM Out 17 GND 27 TX+ PSN Detect 18 Ext RED 28 Power Switch Debug TxD 19 Ext GRN 10 Debug RxD 20 Ext BLU ASK-T898-03-7600 Siemens Medical Systems, EM-PCS Danvers NOT A CONTROLLED DOCUMENT 7k9kXLSM.apb.CD_ROM.fm/04-99/kaupp...
  • Page 116 Service Manual SC 7000 and SC 9000XL Patient Monitors 2 Infinity Basic/Device CPS Connectors Network 14-Pin 20-Pin 26-Pin Figure B-4 Basic / Device CPS Connectors - I Network (Refer to Table B-2.) NFINITY Table B-2 Basic / Device CPS Connector Pinouts...
  • Page 117 SC 7000 and SC 9000XL Patient Monitors Service Manual Docking Station Connectors NFINITY 1HWZRUN SLQ SLQ SLQ Figure B-5 Infinity Docking Station Connectors(Refer to Table B-3.) Table B-3 Infinity Docking Station Connectors ALM/KB/DIAG/COMM-1 (X4) ALM/KB/DIAG/COMM-2 (X3) External CRT (X5) AUX/MIB/CANBUS(X12)
  • Page 118 Service Manual SC 7000 and SC 9000XL Patient Monitors 4 Interface Plate Figure B-6)Interface Plate Connectors (Rear View (Refer to Table B-4.) Table B-4 Interface Plate Connectors Pinouts RECORDER/ALARM (X7) EXT CRT (X5) RECORDER/ALARM (X7) EXT CRT (X5) Ext Red...
  • Page 119 SC 7000 and SC 9000XL Patient Monitors Service Manual 6 MultiMed Pods 6.1 MultiMed Pod Figure B-8 MultiMed Pod (Refer to Table B-6.) Table B-6 MultiMed Pod Connector Pinouts Temp SPO2 Pin No. Signal Pin No. Signal Pins 1, 3, 5, 7, 9 = SHGND DETA Pin No.
  • Page 120 Service Manual SC 7000 and SC 9000XL Patient Monitors 7 MultiMed Pod Cable Connector 8 HemoMed Pod Cable Connector on SC 7000 / SC 9000XL on SC 7000 / SC 9000XL Figure B-11HemoMed Pod Cable Connector Figure B-10MultiMed Pod Cable Connector...
  • Page 121 SC 7000 and SC 9000XL Patient Monitors Service Manual 9 SC 7000 / SC 9000XL Analog Output Connector, X10 Figure B-12 Analog Output Connector (refer to Table B-10) Table B-10 Analog Output Connector, X10, Pinouts Analog-Out Pin No. Signal Hd Audio Out...
  • Page 122 Service Manual SC 7000 and SC 9000XL Patient Monitors 11SC 7000 / SC 9000XL RS-232, Keypad Input, Alarm Out Connector, X8 Figure B-14 RS-232, Keypad Input, Alarm Out Connector (see Table B-12) Table B-12 RS-232, Keypad Input, Alarm Out Connector Pinouts RS-232, Keypad Input, Alarm Out Pin No.
  • Page 123 SC 7000 and SC 9000XL Patient Monitors Service Manual 13Analog Cable Figure B-16Analog Cable (Unterminated - Refer to Table B-14.) Table B-14 Analog Cable Color Code Color Code Connector Pin No. Wire Color Function WHITE BLACK GREEN YELLOW CHAN 2 RTN...
  • Page 124 Service Manual SC 7000 and SC 9000XL Patient Monitors 15Cardiac Output Intermediate Cable Wiring Diagram 571  <(//2: 7%/'  *5((1 5  :+,7( 5 %52:1 1& 7%/' 7,1- 571  3,1. 7,1-  *5(< 32' &211(&725 &$7+(7(5 &211(&725 2876,'( 9,(: ...
  • Page 125 SC 7000 and SC 9000XL Patient Monitors Service Manual 16Input Connector on etCO2 Module 19 18 Figure B-19Input Connector on etCO2 Module (Refer to Table B-16.) Table B-16 etCO Module Input Connector Pins Pin No. Signal SRC- SRC+ EE CS...
  • Page 126 Service Manual SC 7000 and SC 9000XL Patient Monitors 17SC 9015 Remote Display X4, X6 X5 (9 pin) (14 pin) Figure B-20 SC 9015 Remote Display - Rear View (Refer to Table B-17.) Table B-17 SC9015 Remote Display Connector Pins...
  • Page 127 SC 7000 and SC 9000XL Patient Monitors Service Manual 18HEMO Pod Pressure Front End Interface Connector IBP SC 7000 Temp A C.O./Temp B / 9000XL Figure B-21HEMO Pod Connectors (Refer to Table B-18.) Table B-18 HEMO Pod Connector Signals Pin No. PRESSURE FRONT END Temp A C.O./Temp B IBP SC 7000 / 9000XL...
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  • Page 129 SC 7000 and SC 9000XL Patient Monitors Appendix C: Diagnostic/Error Messages 1 Overview of The diagnostic codes given in C-1 may appear in an SC 7000 or SC Diagnostic 9000XL Diagnostic Log, and help in troubleshooting a malfunctioning Monitor. Both possible cause and suggested remedial action are listed for Messages the field-significant codes.
  • Page 130 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 8000bxxx Software did not Try disabling items allocate enough connected or disabling Auto 8000cxxx memory for user’s Dual View.
  • Page 131 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 800dbxxx etCO2 Pod/Cartridge - related Try swapping out airway adaptor with known-good 800dcxxx components. Try disconnecting/ reconnecting cable.
  • Page 132 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 800e5xxx RESP-related Try disconnecting/ reconnecting cable. 800e6xxx If problem persists, swap cable with known-good cable. If problem persists try swapping pod.
  • Page 133 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 800f5xxx HEMOPOD / HEMOMED - related Try disconnecting/ reconnecting cable. 800f6xxx If problem persists, swap cable with known-good cable.
  • Page 134 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 80117xxx Serial Interface to Remote Keypad - Try disconnecting/ related reconnecting keypad. 80118xxx If problem persists, swap cable with known-good keypad.
  • Page 135 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 8016a00a Image checksum test failed due to TAXI Bad memory/access/ Restart monitor. If error error! fetch persists replace monitor.
  • Page 136 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 8018fxxx Try upgrading SW to currently released version. 80190xxx If error persists, replace Main Processor Board Subassembly.
  • Page 137 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 801b7001 ERROR: load_34010 34010 Failure Replace Main Processor Board Subassembly. 801c7012 Test Failed! TAXI became Unavailable Expected condition, Ignore.
  • Page 138 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 8020fxxx Software did not Try disabling items allocate enough connected or disabling Auto 80210xxx memory for user’s Dual View.
  • Page 139 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 8023102c LCOM_ROM_DIAG_ERROR Net comm failure If this message is accompanied by another error, check Docking station connections. Otherwise this...
  • Page 140 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 80255xxx Try upgrading SW to currently released version. 80256xxx If error persists, replace Main Processor Board Subassembly.
  • Page 141 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 80271xxx Network Communications - related Try disconnecting/ reconnecting cable(s) 80272xxx between Monitor and network wallbox. Verify proper SW version(s)
  • Page 142 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 80281xxx HEMOPOD / HEMOMED - related Try disconnecting/ reconnecting cable. 80282xxx If problem persists, swap 80283xxx cable with known-good 80284xxx cable.
  • Page 143 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 802abxxx RECORDINGS - related Try disconnecting/ reconnecting cable. 802acxxx If problem persists, swap 802adxxx cable with known-good 802aexxx cable.
  • Page 144 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 802dfxxx SPO2 - related Try disconnecting/ reconnecting cable. 802e0xxx If problem persists, try replacing sensor. If problem persists, swap cable with known-good cable.
  • Page 145 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 80311xxx Network Communications - related Try disconnecting/ reconnecting cable(s) 80312xxx between Monitor and network wallbox. Verify proper SW version(s)
  • Page 146 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 8035dxxx Network Communications - related Try disconnecting/ reconnecting cable(s) 8035exxx between Monitor and 8036fxxx network wallbox. 80370xxx...
  • Page 147 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 80373xxx MIB - related Verify proper SW version(s) installed in all related 80374xxx devices, in accordance with SW compatibility chart for Monitor SW.
  • Page 148 Service Manual SC 7000 and SC 9000XL Patient Monitors Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters 803a1xxx 12 LEAD POD - related Try disconnecting/ reconnecting cable. 803a2xxx If problem persists, swap cable with known-good cable.
  • Page 149 SC 7000 and SC 9000XL Patient Monitors Service Manual Table C-1Diagnostic Log Codes (Continued) Code xxx = any Description Cause Action alphanumeric characters Upgrade SW to ≥VC1.x. 8036f000 Bad Network Config Data Reset Upgrade SW to ≥VC2.x. 8038d001 MIB Connection/ Disconnection reset Upgrade SW to ≥VC1.x.
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  • Page 151 SC 7000 and SC 9000XL Patient Monitors Service Manual Appendix D: Functional Verification Checklist Section Reference in “Chapter 4: Functional Verification and Calibration” = Test Passed Power Circuits and Startup Functions _______ Power ON/OFF key _______ • Power LED _______ •...
  • Page 152 Service Manual SC 7000 and SC 9000XL Patient Monitors SpO2 Function _______ Waveforms/Digital Readouts/Tones _______ Pulse Tone Generator _______ Limits Alarm _______ Temperature Function (MultiMed POD) _______ Digital Readout _______ Temp A Temp B________ Temperature Calibration _______ 10Non-Invasive Blood Pressure Function _______ 10.2 Calibration...
  • Page 153 SC 7000 and SC 9000XL Patient Monitors Service Manual • Monitor Pressure Reading _______ 13.1.2 HEMO Channel A (Aux./Hemo2 input, SC 9000XL only)_______ • Monitor Zero Function _______ • Monitor Pressure Reading _______ 13.1.2 HEMO POD Channel B_______ 13.1.2 HEMO POD Channel C_______ 13.1.2 HEMO POD Channel D_______...
  • Page 154 FAX No. Int’l Code Number Ext: Monitoring Unit _______________________________ _________________ Care Unit Monitor Style (check one): SC 7000 ____ SC 9000XL ____ Monitor Serial No. _________________________ Monitor has passed all required tests. Siemens Service Representative: _____________________________________________________________________ ________________ Name (Print) Signature...
  • Page 155 Appendix E: Service Setup Instructions 1 Introduction Following repair of an SC 7000 or SC 9000XL Patient Monitor, certain service password-protected functions may need to be set for the specific customer site, and for installed software versions ≥VC2 the monitor may also need to be configured for use in DirectNet Mode.
  • Page 156 8. Select alternative a, b, or c below to set Network Control appropriately for customer site. a If SC 7000 used only in Standalone mode, set Network Control to OFF and power-cycle monitor. Verify that MAIN screen displays, after completion of power-up sequence and proper selection for New Patient Prompt.
  • Page 157 SC 7000 and SC 9000XL Patient Monitors Service Manual 11. Enter either Biomed or Clinical password and select “Accept.” 12. Select “Restore Setup” and then “Save Setup” for each Setup listed. 13. Press Main Screen key to return to MAIN screen.
  • Page 158 Service Manual SC 7000 and SC 9000XL Patient Monitors 16. Central Station enabled: yes or no: If you choose yes, bedside monitor expects an alarm acknowledgment from MVWS. If it doesn’t get one, it goes to its highest alarm volume and indicates an off-line condition.
  • Page 159 SC 7000 and SC 9000XL Patient Monitors Service Manual If procedures in this Manual are performed by other than Siemens service personnel, for more information contact your local Siemens service representative. Technical support for Siemens service personnel is available as...
  • Page 160 E331.E539U.719.10.01.02 Order No. 59 44 090 E539U ©Siemens - Elema AB, 1999. Electromedical Systems Division. All rights reserved. No part of this publication may be Printed in U.S.A. reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior permission of the copyright owner in writing.

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