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Welch Allyn Spot Vital Signs Service Manual

Welch Allyn Spot Vital Signs
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Welch Allyn Spot Vital Signs
Service Manual
SpO
2
SS
mm g
a
min
DIA
mm g
a
Spot Vital Signs

Table of Contents

Questions and Answers:

Welch Allyn Spot Vital Signs Specifications

General IconGeneral
Pulse Rate MeasurementYes
SpO2 MeasurementYes
DisplayLCD
Power SourceRechargeable battery or AC power
Temperature MeasurementYes
ConnectivityOptional with wireless connectivity
Pulse Rate Range30-220 bpm
NIBP Diastolic Range20-195 mmHg
SpO2 Range70-100%
Temperature Range80 °F to 110 °F (26.7 °C to 43.3 °C)
Battery LifeApproximately 8 hours of continuous operation
Weight CapacityNot applicable
Height Measurement RangeNot applicable

Summary

Introduction and Safety Information

General Warnings

Identifies conditions leading to patient injury, illness, or death if not corrected.

Blood Pressure Warnings

Cautions related to accurate and safe blood pressure measurement for different patient groups.

SpO2 Warnings

Safety precautions and usage guidelines for SpO2 sensors and measurements.

Temperature Warnings

Guidelines for safe and accurate temperature measurement using the device.

IR Communications Port Warnings

Safety advice regarding the infrared port and eye contact.

General Cautions

General practices to prevent equipment failure, damage, or data loss.

Electrostatic Discharge (ESD) Precautions

Procedures to protect sensitive electronic components from ESD damage during service.

Symbols and Labels

Explains various symbols used on the device and in the manual for user guidance.

Device Overview and Components

Purpose and Scope

Defines the manual's purpose and the device's intended use.

Contents Checklist

Lists components included with the Spot Vital Signs device for verification.

Device Controls and Display

Details the functions of buttons, ports, and the LCD screen on the device.

Connections and Ports

Illustrates and describes how to connect hoses, probes, and other attachments.

Power and Battery Management

Explains DC power connection, battery charging, and standby mode operations.

Functional Operation and Verification

Power On/Off and System Check

Describes how to power the device on/off and the automatic system self-check.

Internal Configuration Mode

Explains how to access and change device operating parameters and settings.

Functional Verification Procedures

Outlines steps to verify device calibration and operational performance.

SpO2 Functional Checks

Specific procedures for testing Masimo and Nellcor SpO2 module functionality.

Calibration Procedures

Connections for Calibration

Details required connections and setup for performing calibration tests.

Voltage Calibration

Procedure to calibrate the device's battery voltage measurement circuit.

Blood Pressure Calibration

Steps to calibrate the blood pressure measurement system for accuracy.

Date/Time Setting

Instructions for setting or updating the device's date and time.

Troubleshooting and Error Codes

General Error Codes

Lists general error codes, their descriptions, and corrective actions.

Blood Pressure Troubleshooting

Specific error codes and corrective actions related to blood pressure measurement.

Temperature Troubleshooting

Error codes and solutions for issues with the temperature measurement function.

SpO2 Troubleshooting

Error codes and corrective actions for SpO2 module malfunctions.

Common Causes of Inaccurate Readings

Identifies potential causes for inaccurate blood pressure readings and their solutions.

Service Work Checklist

A checklist for technicians to record test results during service and repair.

Disassembly and Repair Procedures

Tools Required for Repair

Lists necessary tools and their sources for performing disassembly and repair.

Battery Disassembly

Step-by-step guide to safely remove and replace the device's internal battery.

Temperature Module Disassembly

Instructions for removing the temperature sensing module from the device.

Housing and Display Disassembly

Procedures for removing the front housing, keypad, and LCD module.

PCB and Component Replacement

Guides for removing and replacing main and SpO2 circuit boards and associated components.

Pump and Valve Assembly

Steps for disassembling and replacing the pneumatic pump and valve components.

Technical System Architecture

System Description

Overview of the Spot Vital Signs device, its functions, and intended use.

Battery and Power System

Details the battery type, charging system, and power management of the device.

Key Component Power Supplies

Explains how power is supplied to the main CPU, NIBP, thermometer, and SpO2 modules.

Interconnect Diagram

A schematic showing how internal components and external interfaces are connected.

Field Replaceable Units (FRUs)

Version 1 Specific Replacements

Lists parts for upgrading or repairing Version 1 to function as Version 2.

General Repair Parts List

Comprehensive list of spare parts used in both Version 1 and Version 2 of the device.

Product Specifications

Patient Population and Usage

Defines the age groups and patient types for which the device is intended.

Blood Pressure Specifications

Details accuracy, range, and determination times for BP measurements.

Temperature Specifications

Outlines accuracy, range, and determination times for temperature measurements.

Pulse Oximetry (SpO2) Specifications

Provides accuracy guidelines and performance ranges for Masimo and Nellcor SpO2 sensors.

Mechanical and Electrical Specs

Covers device dimensions, weight, power requirements, and battery details.

Environmental Specifications

Specifies operating, storage, and transport conditions for the device.

Electromagnetic Compatibility

Information on emissions, immunity, and recommended separation distances for RF equipment.

Identification and Firmware

Explains device labeling, serial numbering, and how to identify firmware versions.

Device Maintenance and Cleaning

Cleaning Procedures

Guidelines for cleaning the Spot Vital Signs device and its accessories safely.

Blood Pressure Cuff Care

Instructions for cleaning, disinfecting, and sterilizing blood pressure cuffs.

Cable and Hose Maintenance

Procedures for wiping down cables and pressure hoses.

SpO2 Sensor Care

How to clean and inspect SpO2 sensors and cables for wear.

Battery Replacement

Step-by-step guide for removing and replacing the device's internal battery.

SpO2 Calibration and Disposal

Information on checking SpO2 accuracy and disposing of accessories.

Temperature Calibration Check

How to verify the accuracy of the SureTemp thermometer.

Repair Test Specifications

General Unit Tests

Standard tests for A-D noise, leak, inflation, and dump functions of the device.

Pneumatic and Pressure Tests

Procedures for pneumatic calibration, accuracy, valve control, and pressure tests.

Current and Interface Tests

Tests for current draw in different modes and display/interface functionality.

Temperature and SpO2 Option Tests

Specific tests for temperature accuracy and SpO2 module functionality.

Supplies and Accessories Catalog

Blood Pressure Cuffs and Hoses

Catalog of various blood pressure cuffs, bladders, and hoses available.

Masimo Pulse Oximetry Supplies

Lists Masimo adhesive and reusable SpO2 sensors and related cables.

Nellcor Pulse Oximetry Supplies

Lists Nellcor OxiMax and OxiCliq SpO2 sensors and cables.

Temperature Accessories

Includes probes, probe covers, and calibration keys for temperature measurement.

Mounting Accessories

Lists available accessories for mounting the device on stands or walls.

Mounting Accessories

Wall Mount Kit (REF 4200-62)

Instructions for installing the wall mount accessory for the Spot Vital Signs.

Mobile Stand Kit (REF 4200-60)

Assembly guide for the mobile stand accessory.

IV Pole Mount Accessory (REF 4200-64)

Installation instructions for mounting the device on an IV pole.

Anti-Theft Kit (REF 4200-70)

Details on installing the anti-theft security accessory.

Transformer Mounting Plate (REF 4200-75)

Instructions for attaching the transformer mounting plate to the device.

IR Dongle Mounting Accessory (REF 4200-170)

Steps for installing the IR dongle mounting bracket.

Product Warranty Information

Spot Vital Signs Warranty

Details the warranty period and terms for the Spot Vital Signs device.

Accessory Warranties

Outlines warranty coverage for various accessories like sensors and probes.

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