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Welch Allyn CSM 7100 Service And Repair Training
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Welch Allyn CSM 7100 Service And Repair Training

Connex spot monitor
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Connex Spot Monitor, CSM
Service and Repair training

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Do you have a question about the CSM 7100 and is the answer not in the manual?

Questions and answers

Ken
March 4, 2025

stopped displaying oxygen level

0
2 comments:
Mr. Anderson
March 4, 2025

The Welch Allyn CSM 7100 may have stopped displaying the oxygen level (SpO2) due to one of the following reasons:
1. Disconnected or Faulty Sensor – Ensure the SpO2 sensor is properly connected and functioning.
2. Incorrect Model Configuration – The CSM 7100 may be a BP-only model, which does not support SpO2 measurement.
3. Cable or Connector Issues – Inspect the connectors (Locking, Friction, ZIF) for damage or improper connection.
4. Internal Component Failure – A faulty board or internal component may require replacement following troubleshooting and service instructions.
5. Software or Settings Issue – Check the device settings and ensure the SpO2 measurement is enabled.

If troubleshooting does not resolve the issue, functional verification and part replacement may be necessary.

This answer is automatically generated

-1
Ken
March 4, 2025

How to ensure the SpO2 measurement is enabled.

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Summary of Contents for Welch Allyn CSM 7100

  • Page 1 Connex Spot Monitor, CSM Service and Repair training...
  • Page 2 Program • Introduction • Models and properties • Operation – Screens & indicators – User menu’s – Advanced menu’s – Configuration • Service – Troubleshooting – Repair – Functional verification • Quiz...
  • Page 3 • A Spot monitor for NIBP, SpO2 and temperature • Suitable for Neo, Ped and Adults • Touchscreen user interface • Various connectivity options • Can be supplemented with an Accessory Power Management (APM) stand...

  • Page 4: Model Comparison

    Model comparison 7100 7300 7400 7500 Value Bluetooth WiFi Ready WiFi WiFi Bluetooth Ethernet Nonin Nellcor Masimo BP Only BP/Temp BP/SpO BP/SpO /Temp Custom Scoring Hardware Upgradable Software Upgradable...

  • Page 5: Model Number Configuration

    Model number configuration Model SpO2 Temperature Power Cord 71 = Value W = Nonin T = SureTemp A = Denmark 73 = Bluetooth C = Covidien E = Braun Pro6000 B = North America 74 = WiFi Ready (Nellcor) C = China 75 = WiFi M = Masimo X = None...

  • Page 6: Power Supply

    Power supply • Mains – Internal 100 – 240 V AC in APM – Without APM, use external adapter: MS3, 35W • Battery – 2 cell, Li-Ion smart battery inside the CSM – Supplemented by a 9 cell Li-Ion battery in APM –...
  • Page 7 Communication • USB: – Mini B • Ethernet • WiFi: – Internal, incl. antenna – IEEE 802.11 a/b/g/n – Security: WEP, WPA, WPA2 – Encryption: AES, PSK, EAP (various types) • Bluetooth...
  • Page 8 CSM Controls, Indicators & Connections 1. 7” touchscreen 2. SureTemp module (can also be Braun Pro6000) 3. Battery charge / Power indicator Off: mains not connected Red: mains connected and charging Green: mains connected, battery fully charged 4. Power button...
  • Page 9 CSM Controls, Indicators & Connections 1. Battery compartment 2. NIBP connection 3. USB client port 4. USB port 5. Power 6. Ethernet 7. Nurse call 8. SpO2 connection 9. SureTemp connection...
  • Page 10 APM indicators and connections 1. Battery compartment 2. Battery charge status 1 Led: 0 – 19% charge 2 Leds: 20 – 39% charge 3 Leds: 40 – 59% charge 4 Leds: 60 – 79% charge 5 Leds: 80 – 95% charge 6 Leds: 96 –...
  • Page 11 APM indicators and connections 1. Printer port (future use) 2. 2 USB ports 3. USB cable to CSM 4. Power cable to CSM 5. Mains connection 6. Ground lug 7. Mounting recess 8. Battery cover screw 9. APM light...
  • Page 12 Device Operation, startup • Runs POST upon starting up • Confirm – LED’s flashing – Splash screen – Beep (buzzer) and Chime (speaker) – Display: all panes appearing (after login screen if in use) • In case of a POST failure, the CSM will display an appropriate message / alert...
  • Page 13 Device Operation, Home Screen 1. Status Bar: Clinician info, time, Connection info, profile, battery info (see next slide) 2. Content: each parameter (set) has it’s own pane, touching the panes triggers various functions 3. Primary navigation: Navigation to other screens...
  • Page 14 Device operation, battery status indicator • Connected to mains, battery charging or full (estimated charge is displayed as a percentage of capacity) • running on battery power , remaining capacity of all batteries: – 1–4 bars (represents % charge left) –...
  • Page 15 Device operation, user screens • Patient screen: enter patient info • Alarms screen: general alarm settings and setting alarm limits for parameters (only available in intervals profile) • Review screen: review, send and delete recorded data • Settings screen: user and advanced settings...
  • Page 16 Device operation, Alarms • The CSM can present physiological and technical alarms • 4 different alarm priority levels: – Information: blue background, 1 or 2 pulse tone – Very low priority: cyan background , 1 or 2 pulse tone – Low and medium priority: amber background , 3 pulse tone –...
  • Page 17 Device settings, Intervals • Intervals can be set as: – Automatic with a defined interval – Stat: a 5 minute continuous measuring – Program: Programs 1 – 5 are configured in the advanced settings, users can only run them, Program 6 can be configured by the user...
  • Page 18 Device settings, Profiles • The following user profiles are available (model dependent): – Spot profile – Office profile – Intervals profile • Spot and Office profiles lack intervals alarms etc. • Office can use Bluetooth or USB connectivity • Spot and Intervals can use USB, Ethernet and WLAN...
  • Page 19 Device settings, Device • Display brightness from 1 to 10 • Power down and sleep (alt.: touch power button) • Display lock...
  • Page 20 Device settings, Date & Time • Date & Time may be automatically set by a network configuration • To set manually: change values and touch “Set Time” • Manual settings will be overwritten by network settings...
  • Page 21 Device settings, Clinician • This screen allows a clinician to sign in and out of the system if the system is able to retrieve this info via the network • Or to enter clinician details • The clinician info will be displayed on the top left of the home screen...
  • Page 22 Advanced settings, Status • Displays information about firmware, config files, hardware and connectivity status • Allows logging in to the advanced settings menu...
  • Page 23 Advanced settings, General • Language selection • Date – Set the Date format – Use Network Time protocol (will disable manual date & time entry on settings tab)
  • Page 24 Advanced settings, Parameters • NIBP settings: view, units, tube type, algorithm, Target pressure (Step mode only) • Temp: units, display option for other unit • Averaging: Create different programs for NIBP averaging, Office profile only • Program: Create interval programs, Intervals profile only...
  • Page 25 Advanced settings, Network • Radio: specify ESSID, Radio band, network alarms • Wireless Security: specify security and encryption • Server: Specify method to connect to (Connex) Server + test option • Bluetooth: Specify the device name as seen by other BT devices (7300 only)
  • Page 26 Advanced Settings, Service • Ethernet stats: LAN connection information • Radio Stats: WLAN connection information • General: Set device info and touchscreen calibration • Config File: Current config info and load or save a configuration • Log File: Save the log to a USB drive •...
  • Page 27 • Use • Menu • Advanced menu...

  • Page 28: Recommended Service Intervals

    Recommended service intervals...
  • Page 29 Troubleshooting, symptoms and solutions • Symptoms are unexpected behavior that do not necessarily trigger an alarm or message • Refer to the symptom and solutions table in the service manual • This table will help you to deduct the cause of the issue and suggests actions to resolve...
  • Page 30 Troubleshooting, technical alarms • Technical alarms appear as messages in the status bar and follow the same logic as physiological alarms • Most tech alarms are low (Cyan) or very low (blue) priority • The messages can be traced in the DFU and service manual for possible causes and suggested action...
  • Page 31 Troubleshooting, getting the log files • All technical alarms are maintained in the log • The log can be saved to a USB drive and reviewed on a PC – To save the log to a USB drive: go to Service > Log file and touch Save to USB –...
  • Page 32 Troubleshooting, reading the log files • The log messages follow this format: <PRI>ISODATE(sp)MSGHDR:(sp)MSG(new-line) – <PRI>: Facility and Priority number – ISODATE: datestamp in this format: yyyy-mm- ddThh:mm:ss.mmm+-ZONE – MSGHDR: Message header and [PID] – MSG: text of the actual message...
  • Page 33 Troubleshooting, deciphering <PRI> • To get the facility number: – Round down PRI/8 to an integer • To get severity number: – PRI - (Facility x 8) • Facility and Severity codes can be traced in the service manual Example 1: Example 2: PRI = 13 PRI = 92...
  • Page 34 Troubleshooting, Message • The message header indicates the program or process • The message indicates the actual issue • If the message also contains a code, then this message can also be found in the error messages table in the manual...
  • Page 35 CSM Service options • Troubleshooting may lead to the requirement to replace some internal parts like boards, cables etc. – For this follow the disassembly and reassembly instructions in the next slides • After service and also as a preventive periodic maintenance, a full functional verification is required.

  • Page 36: Part Replacement

    Part replacement • Individual parts like boards, pump etc. are not to be repaired but replaced only • Welch Allyn supplies service kits, these kits include parts that are usually replaced together . • The service kits including the material...
  • Page 37 Disassembly precautions • Use ESD protection! • Make sure to have a clean work space • Make sure to have all the required tools: – Phillips #1 Screwdriver – Torx-10 Screwdriver – Torque driver • Before opening the device, always remove mains and battery first...

  • Page 38: Connector Types

    Connector Types The CSM uses these different cable connectors: Locking Connector Friction Connector ZIF Connector...
  • Page 39 Disassembly Procedures, Backhousing...
  • Page 40 Disassembly Procedures, Backhousing SureTemp and Pro6000 dock procedures are the same...
  • Page 41 Disassembly Procedures, Speaker Disconnect cable and slide speaker out...
  • Page 42 Separate main PCBA from fronthousing • Disconnect touchscreen flat- cable • Lift antenna out of it’s holder • Lift complete PCBA including connector panel (SpO2 insert) from fronthousing...
  • Page 43 Disassembly, SpO2 insert • Remove 2 screw from the front of the assembly • Disconnect the mains cable connector from the PCBA • Disconnect the mains connector from the SpO2 insert...
  • Page 44 Disassembly, SpO2 board • Procedures differ per SpO2 type Nonin Covedien (Nellcor) Massimo...
  • Page 45 Disassemble, Radio & Antenna • After removing the two screws, draw the board straight out to disconnect the mini-USB connector • For the blue-tooth board, follow the same procedure...
  • Page 46 Disassemble, LCD • Pull out the LCD flex cable (friction) • Turn assembly over and lift LCD as indicated...
  • Page 47 Disassemble, LCD • Remove the gaf tape • Carefully lift the bale to unlock the flex cable (2) • Remove the LCD...
  • Page 48 Disassemble, Pump Assembly • Disconnect tubing manifold and connector...
  • Page 49 Disassemble, Pump Assembly • Remove 2 screw that hold the pump assembly • Pump assembly can now be removed...
  • Page 50 Disassemble, Bezel • The rubber bezel is locked with the 6 bosses on the housing...
  • Page 51 Disassemble, Power switch • To remove the power switch: – Peel off the switch from the housing – Pull the switch and flex cable through the opening...
  • Page 52 Disassemble, APM • To replace the battery, loosen the screw that secures the battery door • The APM itself cannot be disassembled and is replaced only...
  • Page 53 Reassembly • Reassemble in reverse order • Make sure to insert cables correctly and lock where applicable • Use Torque driver to prevent damage to housing, see toque specification table...
  • Page 54 Reassembly, torque value table...
  • Page 55 Lab, Disassembly & reassembly Hands-on: Disassemby and reassamble Let’s take it apart (and put it back together again)
  • Page 56 Welch Allyn Service tool (WAST) • The Welch Allyn Service tool works with the CVSM, CIWS, CSM, CP150 and ProBP and future Platform devices and can be downloaded from the Welch Allyn website • The tool comes with Calibration process locked which requires a license to unlock •...
  • Page 57 Welch Allyn Service tool (WAST) • The tool is used for the following: – Review device info – Schedule device maintanance – Install software updates and upgrades – View logs (event- and error) – User administration – Basic device check (NIBP accuracy, leak and over- pressure test) –...
  • Page 58 Post repair actions, Main PCBA replacement • After replacement of the main PCBA, use the WAST to: – Program the device sn and host controller sn (sticker on the main PCBA) – Program Device model number – Re-initiate the NIBP module –...
  • Page 59 Program device sn’s and model number • In WAST, double click the device • Go to Configure – Current settings – change • Enter device sn, Host controller sn and model number and click save...
  • Page 60 Update device firmware • In WAST, double click device, go to upgrade • Click check for upgrades (internet connection required) • Select the device and click upgrade (all)
  • Page 61 Initialize NIBP • In WAST, double click the device and go to verify and calibrate • Select NIBP sensor and click Begin • Click Initialize NIBP board and confirm • Follow instructions on screen to perform: – the Power Calibration Test – Primary/Safety –...

  • Page 62: Functional Verification

    As periodic preventive maintenance perform the Basic Functional Checks as defined in the service manual. • Perform the complete functional verification using the Welch Allyn Service Tool (WAST) with the Gold license: – If the device has been dropped – If there is doubt about it’s functioning –...
  • Page 63 Functional verification • The WAST help file displays all required tools and connections...
  • Page 64 Functional verification • In WAST, double click the device and go to verify and calibrate • To verify and calibrate the complete device, select the device and click perform all • Alternatively you may perform each module separately but device calibration date will not be changed nor a calibration certificate generated.
  • Page 65 Lab, Functional verification Hands-on: Functional verification Let’s make sure it’s working as it should...

  • Page 66: Configuration Tool

    Configuration tool • The configuration tool allows users to create configurations online which can be deployed to the devices • After logging in, the tool allows to create new, edit and download existing config files • After downloading the config files can be deployed through the WAST or via a USB flash drive •...
  • Page 67 Configuration tool http://config.welchallyn.com...
  • Page 68 Summary • Connex Spot Monitor • NIBP, SpO2, Temp • Profiles • Connectivity • Service & repair options • WAST – Updates – Functional verification – Configuration...

This manual is also suitable for:

Csm 7300Csm 7400Csm 7500