Fisher-paykel MR850 User Manual

MR850 RESPIRATORY HUMIDIFIER Technical Manual REVISION J Copyright ©2005 Fisher & Paykel Healthcare Ltd. Auckland, New Zealand

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 10 3 Specifications 3.1 Mechanical Dimens

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 11Non-heater wire operation: Invasive Mod

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 12 4 Operating Modes and Controls 4.1 Hu

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 134.1.2 Non-Heater Wire Operation (Softw

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 14 Stand-by (Software versions: 5.45 &

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 15then the chamber set point will automat

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 16 connected. Breathing circuit recognit

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 174.2.3 Mute Button The mute button sile

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 18 4.4.2 Temperature / Flow Probe Connec

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 194.4.5 Water Out Indicator This indica

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 2 Fisher & Paykel Healthcare Head Of

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 20 Figure 4.3 Temperature vs Time to Ala

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 215 Maintenance Procedures In order to ke

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 22 5.2 Safety Check The unit should be t

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 23 5.3 Cleaning Instructions 5.3.1 MR850

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 24 6 Troubleshooting 6.1 Operational Prob

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 25Symptom Corrective Action Reference H

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 26 Symptom Corrective Action Reference

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 276.3 “See Manual” Error Codes The follo

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 28 Error Description of Fault E41 Faile

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 29 6.4 Diagnostic Menu By pressing the mu

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 3 TABLE OF CONTENTS 1 INTRODUCTION ...

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 30 6.4.2 Diagnostic Menu for Software Ve

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 316.4.3 Diagnostic Menu for Software Ver

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 32 6.4.4 Diagnostic Menu for Software Ve

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 336.4.5 Diagnostic Menu for Software Ver

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 34 6.4.6 Diagnostic Menu for Software V

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 357 Servicing Procedures 7.1 General Cons

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 36 Figure 7.2 Showing PCB fasteners 7.2.

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 37MR850 Model Number Supply Voltage Fus

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 38 Figure 7.4 Showing Humidifier Power P

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 393. If the thermal cutout "clicks&

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 4 6 TROUBLESHOOTING ...

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 40 Figure 7.7 Showing location of Heater

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 415. Remove the heater element, leaving

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 42 7.2.6 Installing New Software NOTE: A

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 436. Apply mains power to the humidifier

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 44 8 Performance Testing This section dis

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 451. Hold down the power button, then ap

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 46 8.1.4 Humidifier Voltage Calibration

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 473. Connect the humidifier chamber inle

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 48 1. Perform a humidifier calibration

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 499 Recommended Maintenance Checklist Th

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 5 Revision Description of Technical Manu

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 50 (Blank)

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 5110 Spare Parts Should any parts of the

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 52

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 53 Heater Plate Assembly Item Part Num

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 54

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 5511 Calibration Probe The information pr

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 56 12 Serial Port & Logging Softwar

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 5712.3.2 Logging Humidifier Data to File

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 58 13 EMC INFORMATION WARNING: The use of

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 59 Guidance and manufacturer’s declaratio

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 6 Revision Description of Technical Manu

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 60 14 Product Change History Due to upg

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 61 History Change for model GJU PCB Versi

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 62 History Change for all model except JH

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 7Introduction 1.1 About this Manual This

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 8 Expiratory Limb The section of the bre

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) 92 Humidifier Symbols Caution: Hot surfa