Bair Hugger 750 Service Manual

Warning: Electrical Shock Hazard. There are electrically live parts within the temperature management unit when it is connected to a power
source, even when the unit is in Standby mode.
For information on operating the Model 750 temperature management unit, please refer to the Model 750 Operator’s Manual.
Please forward to Biomedical Engineering Department
Bair Hugger
*
Model 750 Warming Unit
Service Manual
Total Temperature Management System
Bair Hugger Modell 750 Temperaturmanagementgerät Service Gebrauchsanleitung
Warnung: Gefährliche elektrische Spannung. In einem an das Netz angeschlossenen Temperaturmanagement-Gerät stehen bestimmte elektrische
Komponenten auch dann unter Strom, wenn sich das Gerät im Betriebsmodus Standby befindet.
Informationen zum Betrieb des Temperaturmanagement-Gerätes Modell 750 finden Sie im Betriebshandbuch für das Modell 750.
Bitte an die Abteilung für biomedizinische Technik weiterleiten.
Unité de gestion de température Bair Hugger modèle 750 Service Manuel
Avertissement : risque de secousses électriques. L’appareil de gestion de la température contient des pièces qui sont sous tension lorsqu’il est
raccordé à une source d’alimentation et cela même si l’appareil est en mode d’attente.
Pour de plus amples informations sur le fonctionnement de l’appareil de gestion de la température, modèle 750,
consulter le manuel de l’utilisateur du modèle 750.
A transmettre au Service d’ingénierie biomédicale
Check the Bair Hugger therapy website to ensure you have the most recent version of this document. www.bairhugger.com reorder #200595F

Bair Hugger 750 Specifications

General

Brand	Bair Hugger
Model	750
Category	Medical Equipment
Language	English

Summary

Initial Warnings and Document Handling

Electrical Shock Hazard Warning

Warning about live electrical parts within the unit when connected to power.

Document Forwarding Instruction

Instruction to forward the service manual to the Biomedical Engineering Department.

Introduction

Description of the Total Temperature Management System

Overview of the Bair Hugger brand Total Temperature Management system and its components.

Indications

Intended use of the Bair Hugger Temperature Management system for preventing and treating hypothermia.

Contraindications

Situations where applying heat is not recommended, such as ischemic limbs.

Warnings

Critical safety warnings regarding patient injury, proper use, and electrical hazards.

Overview

Unit Power-On-Reset

Describes the sequence of events when the unit is connected to a power source.

Operating Modes

Details the four operating modes: Ambient, Low, Medium, and High, with temperature settings.

Standby Mode

Explains the functions and indicators when the unit is in Standby mode.

Fault Conditions

Lists various nonhazardous fault conditions recognized by the unit's software.

Over-Temperature Condition

Describes events that occur when an over-temperature condition is detected by the unit.

Alternative Modes

Introduces five alternative modes for accessing service and calibration utilities.

Accessing the Alternative Modes

Instructions on how to access the unit's alternative modes using the control panel.

Exiting an Alternative Mode

Methods for exiting the alternative modes, either by button press or timeout.

Service Procedures

Calibrating the Operating Temperatures

Step-by-step guide for calibrating the unit's operating temperature settings.

Testing the Over-Temperature Detection System

Procedure to test the functionality of the unit's over-temperature safety system.

Viewing the Fault Code Log

Instructions on how to access and view recorded fault codes stored in the unit's memory.

Clearing the Fault Code Log

Method for clearing the fault code log, available for specific software versions.

Fault Code Table

A reference table listing fault conditions and their corresponding fault codes.

Viewing the Hour Meter

How to view the cumulative operating hours of the temperature management unit.

Viewing the Operating Timer

Procedure to view the operating time for the current temperature mode.

Replacing the Air Filter

Detailed steps for safely replacing the air filter in the warming unit.

Replacing the Hose

Instructions for detaching and reattaching the hose for replacement.

Cleaning the Warming Unit

Guidelines for cleaning the exterior of the warming unit and hose.

Technical Support and Customer Service

When You Call for Technical Support

Information required when contacting technical support, such as the unit's serial number.

In-Warranty Repair and Exchange

Procedures for obtaining in-warranty repair or exchange for the temperature management unit.

Returning Units for Service

Method

Step-by-step instructions for packaging and shipping the unit for service.

Specifications

Physical Characteristics

Details regarding the unit's dimensions, weight, and noise level.

Temperature Characteristics

Information on operating environment, temperature control, and heat generation.

Safety System

Overview of the unit's thermostat, alarm system, and overcurrent protection.

Electrical Characteristics

Specifications related to the heating element, leakage current, power, and fuses.

Certifications

Listing of certifications and classifications for the Bair Hugger Model 750 unit.

Maintenance Log

Definition of Symbols