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Breas Nippy 4+ Service Manual

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Table Of Contents

Table of Contents

Table of Contents
Introduction
Manufacturer Information
About the Vivo 45 / Nippy 4 Series Ventilator
Function
Intended Use
Design
Service Personnel's Training Requirements
About this Manual
Scope
Icons
Applicable Ventilators
Maintenance Instructions
Purpose
Service Software/Upgrade Tool
Introduction
Safety Precautions
Service Schedule
Service Record
Inspection Equipment and Tools
Replacement Parts
Preparing for Inspection
Initial Recording
Checking Additional Services
Inspecting the Markings
Information from the Patient/User
Validity of the Documentation
External Inspection
Visual Inspection for External Damage and Wear
Checking the Power Connection
Inspecting the Patient Circuit
Inspecting the Ventilator Accessories
Changing/Washing the Patient Filters
Changing the Cooling Air Inlet Filter
Minimum Function Check
Internal Inspection
Cleaning the Inside of the Ventilator
Checking the Cables
Checking the Fastening of Components
Checking the Power Adapter
Reassembling the Casing
Power Failure Test
Checking the Power Failure Alarm
Complete Function Test
CO 2 Sensor Gas Span Check
How to Perform the CO Gas Span Check
Electrical Safety Precautions
2.10.1 Preparations
2.10.2 Insulation Check
2.10.3 Leakage Currents Check
Parts Location
View a
View B
View C
View D
View E
View F
Screw Kits
MRT M3X6 FZB
M3X8 and MRT 3X10 FZB
M2.5X6 and Isolation Screw Grommets
Part List
Functional Diagram
Opening the Ventilator and Replacing the Main Components
Replace the Internal Battery
Open and Close the Ventilator
Replace the Cooling Air Filter
Replace the Blower Assembly
Replace the Cooling Fan
Replace the Clock Battery
Replace the PTU Board
Replace the CPU Board
Replace the Humidifier Sense Board
Replace the Beeper
Replace the SD Board
Replace the Heated Wire Board
Replace the Humidity Plate
Replace the Fio Board
Replace the Complete Contact Board
5.14.1 Replace the USB Board
Replace the Super Capacitors
Replace the Button Board
Replace the
Replace the LCD Display
Replace the Top Cover
Upgrade and Calibration
Firmware Upgrade
Pressure and Flow Calibration
Electronics
Main Cabling Diagram of the Ventilator
Circuit Board Descriptions
Main Board
PTU (Pressure Transducer Unit) Board
Ventilator Switch-Over Operating Conditions
Mains DC Operation
External DC Battery Operation
Click-In Battery Operation
Internal Battery Operation
Battery Charging
Mains Power Supply Operation
External Battery Operation
Click-In Battery Operation
Internal Battery Operation
Checking the Internal Battery
Fault Tracing
Fault Tracing Table
Internal Error Codes
Function Failure Error Codes
Error Code Table
Disposal
Disposal Procedure
Parts and Materials
Disposal
Appendices
Emission and Immunity Declaration
Returning Products to Breas
Service Record

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1 Table of Contents
2 Maintenance Instructions
3 Internal Error Codes
4 Function Failure Error Codes
5 Error Code Table
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