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CASMED 740 Service Manual

CASMED 740
148 pages
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21-02-0174 REV. 02 05/08
CASMED 740
Vital Signs Monitor
Service Manual

Table of Contents

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CASMED 740 Specifications

General IconGeneral
BrandCASMED
Model740
CategoryMonitor
LanguageEnglish

Summary

Introduction and Intended Use

Introduction

Overview of the CASMED 740 Monitor's capabilities including NIBP, pulse oximetry, and temperature measurement.

Brief Device Description

Details the monitor's portability, power options, language settings, and message window functionalities.

Patient Environment

Defines the recommended patient environment and lists system parts used within it.

Manual Information

Provides revision history for the service manual, detailing changes across different versions.

Intended Audience

Specifies that the manual is intended for service representatives and technical personnel.

Definition of Terms

Explains the meaning of WARNING, CAUTION, IMPORTANT, and NOTE in the context of the manual.

Related Documents

Refers users to the Vital Signs Monitor User's Manual for operational knowledge.

Monitor Configurations

Lists various models of the CASMED 740 monitor and their respective parameter configurations.

Service Policy

Warranty Policy

Details the warranty terms and conditions for the CASMED 740 Monitor and its accessories.

Extended Warranty Program

Information on the availability and terms of an extended warranty for the CASMED 740 Monitor.

Returning the Monitor for Repair

Procedure for returning the monitor for repair, including obtaining an RMA number.

Safety Measures and Warnings

General Notes and Automatic Safety Features

Covers general safety guidelines, suitability for electro surgery, and automatic safety functions like cuff deflation.

Declaration of Conformity

Symbols

Monitor Controls

Front Panel Overview

Illustrates the front panel views of the CASMED 740 monitor with English text and symbols.

Digital Display and Indicators

Describes the function of various LEDs and display elements on the monitor's front panel.

Front Panel Controls

Details the functions of specific pushbuttons and controls on the monitor's front panel.

Infrared (IR) Data Port

Explains the function of the IR output port for printing data to external devices.

Rear Panel View

Diagrams showing the rear panel connections for SureTemp® and SureTemp® Plus models.

Left Side Panel Views

Illustrates the left side panel connections for Masimo/Nellcor and Nonin SpO2 configurations.

Right Side Panel View

Shows the right side panel view, including temperature probe holder locations.

Monitor Configuration

Entering and Saving Configuration

Instructions for entering the configuration menu and saving changes made to monitor settings.

Software Revisions

Displays the current software revision of the operating system and internal modules.

Setting the Language

Guide to selecting the operating language from nine available options.

Selecting the Patient Mode

Procedure for choosing between Neonate and Adult patient modes, affecting default limits.

Selecting the Power-Off Delay Time

Option to configure the delay time before the monitor display turns off.

Selecting the Temperature Scale

Instructions for choosing between Celsius and Fahrenheit for temperature readings.

Audio Alarm Silence Settings

Configuration of 2-Minute or Permanent Audio Alarm Silence, or disabling alarms.

MAP Value Enable/Disable

Option to display or hide the Mean Arterial Pressure (MAP) value and associated alarms.

SpO2 Alarm Delay

Setting the delay time for SpO2 and Pulse Rate alarms.

Date and Time Settings

Procedure for setting the monitor's date and time values.

Daylight Saving Time Option

Configuration for automatic adjustment to Daylight Saving Time based on region.

External Device Interfacing

Overview and RS232 Interface

Details interfacing capabilities with external serial printers and Nurse Call systems via DB9 connector.

Nurse Call Interface

Explains the isolated relay output for Nurse Call Systems and connection details.

Routine Maintenance

Cleaning Procedures

Guidelines for cleaning the monitor, display, cuffs, tubing, printer, and cables.

Temperature Probe and Well Care

Instructions for cleaning temperature probes and the probe well, including cautions.

Pneumatic Pressure Checks

Procedure for performing pneumatic system checks, including plug tube and cylinder tests.

Safety and System Checks

Details required safety and system checks performed by qualified technicians.

Battery Maintenance

Recommendations for battery replacement and storage guidelines to maintain charge capacity.

Troubleshooting

System Troubleshooting Overview

Presents an overall block diagram of the CASMED 740 monitor for system troubleshooting.

Power Troubleshooting

Flowchart guiding users through diagnosing and resolving 'No Monitor Power' issues.

Power-Up Response Issues

Diagnoses common issues encountered during the monitor's power-up sequence.

SpO2 Troubleshooting

Troubleshooting steps for 'No SpO2 Response' issues, focusing on probe compatibility and function.

Temperature Measurement Troubleshooting

Diagnoses problems related to the temperature measurement function and potential module failures.

Theory of Operation

Explains the functions of the main control board, supervisor microcontroller, and DSP controller.

Error Messages

Lists and explains various error messages displayed by the monitor during operation.

Maintenance Procedures

Introduction and Equipment Required

Outlines tests for performance verification after repairs or during routine maintenance.

Battery Charge and Power On Test

Procedures for fully charging the battery and verifying the monitor powers on correctly.

Time and Alarm Verification

Steps to verify the correct setting of the monitor's time and the range of alarm audio.

SpO2 Audio Verification

Procedure to verify the audio range for the SpO2 volume.

Configuration Mode Tests

Tests to verify system operations like LED checks, power supply, and calibration.

Calibration and Pressure Checks

Guides for performing system pressure, overpressure, and pneumatic pressure checks.

Simulator Checks and Electrical Safety

Procedures for NIBP, Oximetry simulator checks, and electrical safety tests like leakage and hypot.

Data Sheet

A template for recording test results to verify monitor performance.

Service Procedures

Introduction and Required Items

Overview of service procedures and lists of necessary tools and miscellaneous items.

Replacing Monitor Components

Step-by-step guides for replacing the battery, fuses, power supply, NIBP, SpO2, and temperature modules.

Replacing Main Control and Interface Boards

Procedures for replacing the main control board, front panel keyswitch, and various interface boards.

SureTemp Plus Module Procedures

Specific procedures for replacing interface boards within the SureTemp Plus module.

Schematics

NIBP Board Schematics

Indicates that the NIBP board is not user serviceable and no schematic is provided.

Main Control Board Schematics (SureTemp®)

Detailed schematics for the Main Control Board, SureTemp® model, across multiple pages.

Main Control Board Schematics (SureTemp® Plus)

Detailed schematics for the Main Control Board, SureTemp® Plus model, across multiple pages.

Temperature Interface Board Schematics

Schematic diagram for the Temperature Interface Board.

Nonin Interface Board Schematics

Schematic diagram for the Nonin Interface Board.

RS 232/Nurse Call Interface Board Schematics

Schematics for the RS 232/Nurse Call Interface Board (Pages 1 of 2).

RS 232/Nurse Call Interface Board (SureTemp® Plus) Schematics

Schematics for the RS 232/Nurse Call Interface Board (SureTemp® Plus) (Pages 1 of 3).

DC Converter Board Schematics

Schematic diagram for the DC Converter Board.

Proprietary Boards Information

Notes that schematics for proprietary boards are not included due to their nature.

Spare Parts

Printed Circuit Boards

List of available printed circuit boards with their part numbers and descriptions.

Switches, Controls, and Connectors

List of spare switches, controls, and connectors with part numbers.

Cables

List of spare cables with their part numbers and descriptions.

Miscellaneous Parts

List of miscellaneous spare parts, including cases, fuses, and calibration keys.

Specifications

NIBP Measurement Specifications

Details NIBP measurement technique, patient range, pressure/pulse rate ranges, and accuracy.

Oximetry (SpO2) Specifications

Provides specifications for Nonin®, Masimo SET®, and Nellcor® OxiMax® SpO2 sensors.

Temperature Specifications

Specifies the temperature range and accuracy for the optional temperature module.

Patient Alarms and Limits

Defines neonatal and adult alarm limit ranges for SYS, DIA, MAP, and Pulse parameters.

Control Panel Specifications

Describes the LED display, parameters shown, and signal strength bar.

Safety Limits

Details automatic cuff deflation triggers based on pressure, time, or microprocessor failure.

Operating Modes

Outlines the operating modes for patient, NIBP, history, SpO2, and temperature functions.

Power Specifications

Details power sources (AC/Battery), fuse ratings, charge time, and battery operation duration.

Monitor Features

Describes key features like self-test, auto zero, inflation, deflation, and max measurement time.

Operating Environment

Specifies the recommended operating temperature, humidity, and altitude ranges.

Storage/Transport Environment

Defines acceptable temperature, humidity, and altitude ranges for storage and transport.

Physical Dimensions & Weight

Provides the physical dimensions and weight of the CASMED 740 monitor base unit.

Serial Interface Specifications

Details interface parameters for bi-directional serial communication (speed, data length, parity).

Nurse Call Interface Specifications

Specifies relay contacts, switch power, and maximum delay for the nurse call interface.

Optional Accessories

Lists optional accessories available for the CASMED 740 monitor.

Standards Compliance

Lists standards and directives the unit complies with, and registered trademarks.