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Fisher & Paykel
MR730, MR720, MR480, MR700 technical manual PCB Identification Diagram
Models:
MR700
MR480
MR720
MR730
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Error messages
Exploded Diagrams MR480
Maintenance
Setup Notes
Dynamic Test Procedure MR480
Fault Location
Alarms and Indicators
Cleaning instructions
Dual Probe Temperature Test
Power Board Control Board
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8.11 PCB I
DENTIFICATION
D
IAGRAM
Ref. 185040646 MR730/720/700/480 Technical Manual
¯
Revision F
¯
Issued March 2001
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Contents
Auckland, New Zealand
D E L S MR730 MR720 MR700 MR480
National Office
Revision F changes Section Description of Change
Contents
Performance Check MR480
Dual Probe Temperature Test
Maintenance Schedule B1.1
Power PCB Harness Connection Diagram
Maintenance Schedule Checklist
10.1
Appendix D
Models MR730/720/700
MR700 Series General Specifications
SET
EOH
TOP
RSD
MR700 Series Humidifiers with Version 1.0 Software
Operating Controls and Modes
Standby Button MR700/720/730 only
1 MR700/MR730 ALL Software VERSIONS, MR720 Version 1.0 only
2 MR720 Version 2.0, 3.0 Software
Alarms and Indicators
Version 3.0 Software
Version 1.0 and Version 2.0 Software
Audio Alarm
Circuit Operation
Power Line Interrupt Revisions D/F Pcbs
Revision H and J Pcbs
For models with Revision D PCB and earlier
Calibration
Page
Performance Check
Alarms Check MR700/720/730
Dual Probe Temperature Test
Servicing Information
Replacing revision F or earlier power PCB MR700/720/730
Replacing revision F or earlier power PCB MR480
Fault Location
SCHEMATICS, Part Lists and Mechanical Drawings
Power Board Control Board
Component Layout Revision F PCB
Page
This page Left Blank
Circuit Diagrams Revision H and J PCB Control PCB
Circuit Diagrams Revision H and J PCB Power PCB
Circuit Diagrams Revision F PCB Control PCB
Circuit Diagrams Revision F PCB Power PCB
LED1, LED3
DSP1, DSP2, DSP3
LED2,LED4, LED5,LED11
LED6,LED7 LED8,LED9,LED10
SPK1
SW5
VR1
VR4
Fuse fast acting 2 a 20 × 5 mm for 230 999830009
MR480AGM
MR480AGM
Exploded Diagrams MR480
10.3 MR730/720/700 Mechanical Parts
MR720ASU
Exploded Diagrams MR730/720/700
Heaterplate Assembly Parts MR730/720/700/480
Page
PCB Identification Diagram
Power PCB Harness Connection Diagram
Date Change First Serial Number Comments Affected
Product Change History
Year Model Code Serial Number
AAA Xxxxx
OFF
Appendix a
A2.3 Integral Display
Error Messages
EP2
EP1
EP3
EP4
First Byte
Second Byte
Third Byte
A5.4 Serial Data Interface Connector
Appendix B
B1 Maintenance Schedule
Electrical Safety Checks as required
Photocopy and File in Maintenance Records
Possible cause Action to take
Appendix C
High Temperature
C1.6
C1.5
LED on
Check Voltage Rating Of Unit
Appendix D
Cleaning instructions
Appendix E
Setup Notes
Dynamic Test Sequence MR730/720/700
Dynamic Test Procedure MR480
