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Covidien WarmTouch Service Manual

Covidien WarmTouch
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Service Manual
WarmTouch™
Convective Warming Unit

Table of Contents

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Covidien WarmTouch Specifications

General IconGeneral
BrandCovidien
ModelWarmTouch
CategoryMedical Equipment
LanguageEnglish

Summary

1 Introduction

1.1 Overview

This manual contains instructions for servicing, testing, and maintaining the Covidien WarmTouch™ Convective Warming Unit.

1.2 Safety Information

This section lists safety information associated with the warming unit, including warnings and cautions.

1.3 ESD (Electrostatic Discharge) Precautions

Guidelines to avoid damaging ESD-sensitive components when servicing the warming unit.

1.4 Tools Required for Service

Lists the necessary tools and equipment required for performing service procedures.

1.5 Serial Number, Software Version, and Error Codes

Information on locating the unit's serial number and accessing software version and error codes.

1.6 Component Disposal - WEEE Directive

Proper disposal procedures for unit components in accordance with the WEEE Directive.

1.7 Labeling Symbols

Defines the symbols that appear on the warming unit or its shipping label.

1.8 Obtaining Technical Assistance

Provides contact information for technical assistance and ordering parts.

1.9 Related Documents

Lists related documents for the Covidien WarmTouch™ Convective Warming System.

1.10 Warranty Information

Information on how to obtain warranty details for the warming unit.

2 Product Overview

2.1 Overview

Provides an introduction to the Covidien WarmTouch™ Convective Warming System.

2.2 Product Description

Describes the warming system's function and components for treating hypothermia.

2.2.1 Features

Details the key features of the Covidien WarmTouch™ Convective Warming System.

2.2.2 Indications for Use

Specifies the intended use of the WarmTouch Convective Warming System.

2.2.3 Contraindications

Lists any contraindications for the use of the warming system.

2.2.4 Covidien WarmTouch™ Warming Blankets

Information regarding the use and compatibility of WarmTouch™ warming blankets.

2.3 Product Views

Illustrates and labels the different views of the warming unit.

2.3.1 Front View

Shows and labels the front view of the Covidien WarmTouch™ warming unit.

2.3.2 Back View

Shows and labels the back view of the Covidien WarmTouch™ warming unit.

2.4 Operator’s Panel

Details the components and functions of the warming unit's operator panel.

3 Installation

3.1 Overview

Provides information for installing the Covidien WarmTouch™ Convective Warming Unit.

3.2 Safety Reminders

Lists safety reminders to be followed during the installation process.

3.3 Attaching the Power Cord

Instructions for correctly attaching the power cord to the warming unit.

3.4 Installing the Warming Unit

Provides mounting instructions for the warming unit on an IV pole, bed, or cart.

3.4.1 IV Pole Installation

Detailed steps for mounting the warming unit onto an IV pole.

3.4.2 Bed Installation

Instructions for attaching the warming unit to a hospital bed.

3.4.3 Cart Installation

Steps for installing the warming unit onto an optional transport cart.

4 Operation

4.1 Overview

Provides basic operating instructions for the Covidien WarmTouch™ Convective Warming Unit.

4.2 Safety Reminder

A critical safety reminder regarding the use of accessories and cables.

4.3 Applying Power

Instructions on how to safely apply power to the warming unit.

4.4 Overview of Warming Unit Operating Modes

Explains the different operating modes of the warming unit: Standby, Ready, and Treatment.

4.5 Beginning Operation

Step-by-step guide on how to start and operate the warming unit.

4.6 Controlling the Temperature

Details on how to select and adjust the temperature settings for patient warming.

4.7 Powering Off the Warming Unit

Procedure for safely powering down and disconnecting the warming unit.

5 Maintenance

5.1 Overview

Describes the cleaning and maintenance requirements for the Covidien WarmTouch™ Convective Warming Unit.

5.2 Safety Reminders

Important safety precautions to observe before performing maintenance.

5.3 Cleaning the Warming Unit

Instructions for cleaning the warming unit after each use.

5.4 Safety Checks

Details on performing regular safety checks for the warming unit.

5.4.1 Physical Inspection

Guidance on visually inspecting the unit and its components for damage.

5.4.2 Temperature and Alarm Verification

Procedures for verifying temperature accuracy and alarm system functionality.

5.4.3 Electrical Safety Tests

Information on performing electrical safety tests after service procedures.

5.5 Filter Replacement

Step-by-step instructions for replacing the HEPA filter in the warming unit.

5.6 Monitoring the Filter Status

How to check the filter usage counters and anticipate replacement needs.

6 Troubleshooting

6.1 Overview

Provides information for troubleshooting problems that may occur with the unit.

6.2 Safety Reminders

Safety precautions to follow before attempting to troubleshoot the unit.

6.3 Principles of Operation

Explains the basic operating principles of the Covidien WarmTouch™ Convective Warming System.

6.3.1 Overview

An overview of how the warming system functions to provide patient warmth.

6.3.2 Block Diagram

Illustrates the relationship between the major components of the warming unit.

6.3.3 Component Descriptions

Details on individual components like the Display, Keypad, and USB Port.

6.3.4 Component Cable Connections

Diagram showing the cable connections between the main components of the unit.

6.4 Basic Troubleshooting

Provides common problems and their resolutions for the warming unit.

6.5 Alarms

Explains the types of alarms and how to troubleshoot them.

7 Performance Verification

7.1 Overview

Instructions for testing the unit after repair, covering minimum testing requirements.

7.2 Safety Reminders

Safety precautions to observe before performing performance verification tests.

7.3 Required Test Equipment

Lists the essential test equipment needed for performance verification.

7.4 Service Screen Access

How to access service-restricted screens using a key code.

7.5 Performance Tests

Details various performance tests to confirm unit functionality and accuracy.

7.5.1 Power-On Test

Confirms basic unit functionality by checking power-on self-test and mode entry.

7.5.2 Keypad Test

Verifies that each key on the keypad functions correctly and elicits the expected response.

7.5.3 Display Test

Checks the unit's display for any bad pixels or visual defects.

7.5.4 Temperature Accuracy Test

Verifies that the unit's output air temperature is within specified accuracy.

7.5.5 Flow Test

Confirms the proper functionality of the unit's fan and air flow.

7.5.6 Thermostat Test

Tests the thermostat's operation, including over-temperature detection and alarm generation.

7.6 Electrical Safety Tests

Provides values for essential electrical safety tests required for the unit.

8 External Component Replacement

8.1 Overview

Provides instructions for replacing external components of the Covidien WarmTouch™ Convective Warming Unit.

8.2 Safety Reminders

Important safety precautions before performing replacement of external components.

8.3 Pole Clamp Replacement

Procedure for replacing the pole clamps on the warming unit.

8.4 USB Port Cover Replacement

Instructions for replacing the protective cover for the USB port.

8.5 Power Cord Replacement

Steps for replacing the power cord, ensuring proper country of use compatibility.

8.6 Nozzle Replacement

Procedure for replacing the nozzle attached to the warming unit's hose.

8.7 Nozzle Strap with Clip Replacement

Instructions for replacing the strap and clip that secure the nozzle.

8.8 No Free-Hosing Label Replacement

Procedure for replacing damaged or unreadable 'No Free-Hosing' labels.

9 Accessing the Inside of the Warming Unit

9.1 Overview

Provides instructions for accessing components inside the Covidien WarmTouch™ Convective Warming Unit.

9.2 Safety Reminders

Essential safety precautions to observe before accessing the unit's internal components.

9.3 Separating the Front and Rear Enclosures

Step-by-step guide on how to carefully separate the front and rear enclosures of the unit.

9.4 Rejoining the Front and Rear Enclosures

Instructions for correctly reassembling the front and rear enclosures of the unit.

10 Internal Component Replacement (Inside Front Enclosure)

10.1 Overview

Instructions for replacing components inside the front enclosure of the unit.

10.2 Safety Reminders

Crucial safety warnings and precautions before servicing internal components.

10.3 Keypad Replacement

Procedure for replacing the unit's keypad.

10.4 Display (LCD) Replacement

Instructions for replacing the liquid crystal display (LCD) of the warming unit.

10.5 User Interface (UI) PCBA Replacement

Procedure for replacing the User Interface Printed Circuit Board Assembly (UI PCBA).

10.6 Ribbon Cable Replacement

Instructions for replacing the ribbon cable connecting internal components.

10.7 USB Cable Replacement

Procedure for replacing the USB cable used for service and updates.

10.8 Clock Battery Replacement

Instructions for replacing the real-time clock (RTC) battery.

10.9 Power PCBA Replacement

Procedure for replacing the Power Printed Circuit Board Assembly (Power PCBA).

10.10 Fuse Replacement

Instructions for replacing blown fuses on the Power PCBA.

10.11 Speaker Replacement

Procedure for replacing the unit's speaker.

10.12 Speaker Cable Replacement

Instructions for replacing the speaker cable.

10.13 Power Supply Replacement

Procedure for replacing the unit's power supply module.

10.14 Power Supply Output Cable Replacement

Instructions for replacing the cable that carries output from the power supply.

10.15 Ground Cable Replacement

Procedure for replacing the unit's ground cable.

10.16 AC Power Inlet Replacement

Instructions for replacing the AC power inlet assembly.

10.17 Equipotential Stud Replacement

Procedure for replacing the equipotential stud.

11 Internal Component Replacement (Inside Rear Enclosure)

11.1 Overview

Instructions for replacing components inside the rear enclosure of the unit.

11.2 Safety Reminders

Key safety warnings to observe before servicing internal rear enclosure components.

11.3 Thermistor Sensor Assembly Replacement

Procedure for replacing the thermistor sensor assembly.

11.4 Thermostat Replacement

Instructions for replacing the thermostat component.

11.5 Thermostat Cable Replacement

Procedure for replacing the cable connecting the thermostat.

11.6 Pole Clamp and Mounting Bolt Replacement

Instructions for replacing pole clamps and their associated mounting bolts.

11.7 Hose Replacement

Procedure for replacing the flexible warming unit hose.

11.8 Hose Duct Adapter Replacement

Instructions for replacing the hose duct adapter.

11.9 Fan Assembly Replacement

Procedure for replacing the unit's fan assembly.

11.10 Heater Assembly Replacement

Instructions for replacing the heater assembly.

12 Enclosure Replacement

12.1 Overview

Provides instructions for replacing the Covidien WarmTouch™ Convective Warming Unit's enclosures.

12.2 Safety Reminders

Critical safety warnings and precautions before replacing unit enclosures.

12.3 Front Enclosure Replacement

Procedure for replacing the front enclosure of the warming unit.

12.4 Filter Enclosure Replacement

Instructions for replacing the filter enclosure of the warming unit.

12.5 Rear Enclosure Replacement

Procedure for replacing the rear enclosure of the warming unit.

13 Product Specifications

13.1 Overview

Provides physical and operational specifications for the Covidien WarmTouch™ Convective Warming Unit.

13.2 Physical Characteristics

Details the physical characteristics of the warming unit and its optional transport cart.

13.2.1 Warming Unit

Lists the physical specifications for the warming unit itself.

13.2.2 Transport Cart (Optional)

Provides physical specifications for the optional transport cart.

13.3 Electrical Requirements

Specifies the electrical power requirements for the warming unit.

13.4 Environmental Specifications

Details the operating and storage environmental conditions for the unit.

13.5 Performance Specifications

Lists key performance metrics and operational parameters of the warming unit.

13.6 Product Compliance

Outlines the product compliance standards and certifications for the warming unit.

13.7 Electromagnetic Compatibility (EMC)

Information regarding electromagnetic compatibility and emission guidelines.

14 Packing for Shipment

14.1 Overview

Provides instructions for packing and shipping the Covidien WarmTouch™ Convective Warming Unit.

14.2 Returning the Warming Unit to Covidien

Instructions for returning the unit to Covidien for service or repair.

14.3 Packing in the Original Carton

Procedure for packing the warming unit using its original shipping carton.

14.4 Packing in a Different Carton

Instructions for packing the warming unit if the original carton is unavailable.

A Parts and Accessories

A.1 Overview

Describes the available parts and accessories for the Covidien WarmTouch™ Convective Warming Unit.

A.2 External Components

Lists and describes the external parts and accessories for the warming unit.

A.3 Internal Components (Inside Front Enclosure)

Lists internal components located in the front enclosure of the unit.

A.4 Internal Components (Inside Rear Enclosure)

Lists internal components located in the rear enclosure of the unit.

A.5 Enclosures

Details the different enclosure kits available for the warming unit.

A.6 Miscellaneous Components

Lists miscellaneous parts and kits, including hardware and the operator's manual.

A.7 Parts Locator

Provides visual aids to locate external and internal components of the unit.

B Error Codes

B.1 Overview

Defines error codes generated during operation and how to view them.

B.2 Error Codes and Suggested Resolutions

Lists error codes, their categories, priorities, descriptions, and recommended resolutions.

C Service Test Data Sheet

C.1 Overview

Explains how to use the data sheet to record maintenance details and test results.

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