CASMED 740 User manual

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CASMED 740
Vital Signs Monitor
Service Manual

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THE CASMED 740
VITAL SIGNS MONITOR
FEATURES
CASMED 740 - 1 Non-Invasive Blood Pressure and Pulse Rate.
CASMED 740 - 2 Non-Invasive Blood Pressure, Pulse Rate and Pulse Oximeter.
or
Non-Invasive Blood Pressure, Pulse Rate and Temperature.
CASMED 740 - 3 Vital Signs Monitor with Non-Invasive Blood Pressure, Pulse
Rate, Pulse Oximeter and Predictive Temperature.
IMPORTANT:
This manual addresses all parameters of the CASMED 740
Vital Signs Monitor. You may have purchased a model that
does not have all the parameters referred to in the manual.
THIS MANUAL REMAINS SUITABLE FOR USE!
WARNING:
The CASMED 740 Monitor is to be operated by qualified
personnel only. Before use, carefully read this manual,
including accessory directions for use, all precautionary
information, and specifications. The user must check that
the equipment functions safely and see that it is in proper
working condition before being used.

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HOW TO CONTACT US
CAS Medical Systems, Inc
44 East Industrial Road
Branford, CT 06405
U.S.A. EC REP
Phone:
MediMark®Europe.
[phone] 11 rue E. Zola 38100
[phone] Grenoble. France
Fax:
[phone]
E-Mail:
[email protected]
[email protected]
[email protected]
Web: Should service be required, contact the
www.casmed.com dealer in the country of purchase.
Copyright 2003 CAS Medical Systems, Inc.
All rights reserved. No part of this manual may be reproduced without the written
permission of CAS Medical Systems, Inc. CAS reserves the right to make changes to
this manual and improvements to the product it describes at any time without notice or
obligation.

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TABLE OF CONTENT
1. INTRODUCTION AND INTENDED USE .......................................................... 11
INTRODUCTION..................................................................................................... 11
BRIEF DEVICE DESCRIPTION.............................................................................. 11
PATIENT ENVIRONMENT...................................................................................... 12
MANUAL INFORMATION ....................................................................................... 13
REVISION HISTORY ........................................................................................ 13
MANUAL OVERVIEW ....................................................................................... 14
INTENDED AUDIENCE .................................................................................... 14
DEFINITION OF TERMS .................................................................................. 14
RELATED DOCUMENTS.................................................................................. 14
MONITOR CONFIGURATIONS.............................................................................. 15
2. SERVICE POLICY............................................................................................ 17
WARRANTY POLICY.............................................................................................. 17
EXTENDED WARRANTY PROGRAM.................................................................... 18
RETURNING THE MONITOR FOR REPAIR.......................................................... 18
3. SAFETY MEASURES AND WARNINGS......................................................... 19
AUTOMATIC SAFETY FEATURES ........................................................................ 23
4. DECLARATION OF CONFORMITY................................................................. 25
5. SYMBOLS ........................................................................................................ 27
6. MONITOR CONTROLS.................................................................................... 33
FRONT PANEL ....................................................................................................... 33
DIGITAL DISPLAY AND INDICATORS ............................................................ 34
FRONT PANEL CONTROLS .................................................................................. 36
INFRARED (IR) DATA PORT ........................................................................... 39
REAR PANEL.......................................................................................................... 40
AC / DC CONNECTION .................................................................................... 41
FUSE COMPARTMENT.................................................................................... 41
BATTERY COMPARTMENT............................................................................. 41
TEMPERATURE PROBE ELECTRICAL CONNECTION ................................. 41
EQUIPOTENTIALITY GROUND POST ............................................................ 42
EXTERNAL DEVICE INTERFACING................................................................ 42
LEFT SIDE VIEW .................................................................................................... 42
CUFF HOSE CONNECTION ............................................................................ 43
SpO2SENSOR CONNECTION......................................................................... 43
RIGHT SIDE VIEW.................................................................................................. 44
TEMPERATURE HOLDER ............................................................................... 44

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7. MONITOR CONFIGURATION.......................................................................... 45
ENTERING THE MONITOR CONFIGURATION MENU ................................... 45
SAVING YOUR CHANGES............................................................................... 45
SOFTWARE REVISIONS ................................................................................. 46
SETTING THE LANGUAGE.............................................................................. 46
SELECTING THE PATIENT MODE.................................................................. 47
SELECTING THE POWER-OFF DELAY TIME................................................. 47
SELECTING THE TEMPERATURE SCALE ..................................................... 48
AUDIO ALARM SILENCE (SILENCE/RESET Pushbutton) .............................. 48
2-MINUTE AUDIO ALARM SILENCE ............................................................... 48
PERMANENT AUDIO ALARM SILENCE.......................................................... 49
ALARM LIMITS OFF ......................................................................................... 49
MAP VALUE ENABLE / DISABLE .................................................................... 49
SET THE SpO2ALARM DELAY........................................................................ 50
SETTING THE DATE ........................................................................................ 50
SETTING THE TIME ......................................................................................... 50
DAYLIGHT SAVING TIME OPTION ................................................................. 51
8. EXTERNAL DEVICE INTERFACING............................................................... 53
OVERVIEW............................................................................................................. 53
RS232 ..................................................................................................................... 53
NURSE CALL INTERFACE .................................................................................... 53
9. ROUTINE MAINTENANCE............................................................................... 55
CLEANING.............................................................................................................. 55
CLEANING OVERVIEW.................................................................................... 55
THE MONITOR ................................................................................................. 55
THE DISPLAY ................................................................................................... 56
CUFFS .............................................................................................................. 56
PNEUMATIC TUBING....................................................................................... 57
PRINTER........................................................................................................... 57
SpO2INTERCONNECT CABLE........................................................................ 57
SpO2SENSORS ............................................................................................... 57
TEMPERATURE PROBES ............................................................................... 58
PROBE WELL (SureTemp® Plus) .................................................................... 58
PNEUMATIC PRESSURE CHECK......................................................................... 58
SAFETY CHECKS .................................................................................................. 59
SYSTEM CHECKS.................................................................................................. 59
BATTERY................................................................................................................ 59
10. TROUBLESHOOTING...................................................................................... 61
SYSTEM TROUBLESHOOTING ............................................................................ 61
THEORY OF OPERATION ..................................................................................... 66
POWER SUPPLIES .......................................................................................... 66
BATTERY CHARGER....................................................................................... 67
SUPERVISOR MICROCONTROLLER ............................................................. 67
DIGITAL SIGNAL PROCESSOR CONTROLLER............................................. 68

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ERROR MESSAGES .............................................................................................. 70
SpO2USER MESSAGES.................................................................................. 70
TEMPERATURE USER MESSAGES ............................................................... 71
MISCELLANEOUS TEMPERATURE TROUBLESHOOTING..................... 73
ERROR MESSAGES ON THE MESSAGE WINDOW ...................................... 74
11. MAINTENANCE PROCEDURES ..................................................................... 77
INTRODUCTION..................................................................................................... 77
EQUIPMENT REQUIRED ................................................................................. 77
BATTERY CHARGE ......................................................................................... 78
TURNING THE CASMED 740 MONITOR “ON”................................................ 78
DISPLAYING THE TIME ................................................................................... 79
ALARM AUDIO.................................................................................................. 79
SpO2AUDIO...................................................................................................... 80
CONFIGURATION MODE TESTS.......................................................................... 80
ENTERING THE TEST MODE.......................................................................... 80
EXIT THE TEST MODE .................................................................................... 81
LED CHECK...................................................................................................... 81
+12 VOLT POWER SUPPLY CHECK .................................................................... 81
CALIBRATION CHECK........................................................................................... 81
SYSTEM PRESSURE....................................................................................... 82
OVERPRESSURE ............................................................................................ 82
PNEUMATIC PRESSURE CHECKS ...................................................................... 83
PLUG TUBE ...................................................................................................... 83
500 ml PRESSURE CHECK ............................................................................. 83
NIBP SIMULATOR CHECK .............................................................................. 84
TEMPERATURE CALIBRATION CHECK............................................................... 84
OXIMETRY CALIBRATION CHECK ....................................................................... 85
SpO2SIMULATOR CHECK .............................................................................. 85
ELECTRICAL SAFETY CHECKS ........................................................................... 85
LEAKAGE.......................................................................................................... 85
HYPOT (Monitor)............................................................................................... 86
HYPOT (SpO2) .................................................................................................. 86
DATA SHEET.......................................................................................................... 87
12. SERVICE PROCEDURES................................................................................ 89
INTRODUCTION..................................................................................................... 89
REQUIRED ITEMS ................................................................................................. 89
Tools.................................................................................................................. 89
Miscellaneous.................................................................................................... 89
REPLACING THE MONITOR BATTERY................................................................ 90
REMOVING THE BATTERY ............................................................................. 90
INSTALLING THE BATTERY............................................................................ 90
CHANGING THE FUSES........................................................................................ 91
CASMED 740 .................................................................................................... 91
CASMED 740M ................................................................................................. 92

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MAIN MONITOR SERVICE PROCEDURES .......................................................... 92
PRIOR TO DISASSEMBLY............................................................................... 92
MONITOR DISASSEMBLY ............................................................................... 93
MONITOR ASSEMBLY ..................................................................................... 93
REPLACING THE POWER SUPPLY MODULE ............................................... 94
REPLACING THE NIBP MODULE.................................................................... 95
REPLACING THE SpO2MODULE.................................................................... 96
REPLACING THE TEMPERATURE MODULE ................................................. 97
REPLACING THE MAIN CONTROL BOARD ................................................... 98
REPLACING THE FRONT PANEL KEYSWITCH............................................. 99
MODULE SERVICE PROCEDURES...................................................................... 100
REPLACING THE RS232/NURSE CALL INTERFACE BOARD....................... 100
REPLACING THE TEMPERATURE INTERFACE/SWITCH BOARD ............... 101
SURETEMP® PLUS MODULE ............................................................................... 102
REPLACING THE RS232/NURSE CALL INTERFACE BOARD....................... 102
REPLACING THE SURETEMP® PLUS TEMPERATURE BOARD ................. 103
13. SCHEMATICS .................................................................................................. 105
NIBP BOARD .......................................................................................................... 105
MAIN CONTROL BOARD (SureTemp®) ................................................................ 106
MAIN CONTROL BOARD (SureTemp® Plus) ........................................................ 118
TEMPERATURE INTERFACE BOARD .................................................................. 130
NONIN INTERFACE BOARD.................................................................................. 131
RS 232/NURSE CALL INTERFACE BOARD.......................................................... 132
RS 232/NURSE CALL INTERFACE BOARD (SureTemp® Plus)........................... 134
DC CONVERTER BOARD...................................................................................... 137
PROPRIETARY BOARDS ...................................................................................... 138
14. SPARE PARTS................................................................................................. 139
PRINTED CIRCUIT BOARDS................................................................................. 139
SWITCHES/CONTROLS/CONNECTORS.............................................................. 139
CABLES .................................................................................................................. 139
MISC PARTS .......................................................................................................... 140
15. SPECIFICATIONS............................................................................................ 141

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FIGURES
Figure 1: Patient Environment ............................................................................................... 12
Figure 2: Front Panel Views................................................................................................... 33
Figure 3: Front Controls ......................................................................................................... 36
Figure 4: 740 Rear Panel View .............................................................................................. 40
Figure 5: 740M Rear Panel View ........................................................................................... 41
Figure 6: Left Side Panel Views............................................................................................. 42
Figure 7: Right Side Panel View ............................................................................................ 44
Figure 8: DB9 Male Connector Pin Layout ............................................................................ 54
Figure 9: Model 740 Monitor Overall Block Diagram ............................................................. 61
Figure 10: No Monitor Power ................................................................................................. 62
Figure 11: Power Up Response............................................................................................. 63
Figure 12: SpO2Trouble Shooting ......................................................................................... 64
Figure 13: Temperature Trouble Shooting............................................................................. 65
Figure 14: Removing the Battery ........................................................................................... 90
Figure 15: Replacing the Power Supply Module.................................................................... 94
Figure 16: Replacing the NIBP Module.................................................................................. 95
Figure 17: Replacing the SpO2Module.................................................................................. 96
Figure 18: Replacing the Temperature Module ..................................................................... 97
Figure 19: Replacing the Main Control Board........................................................................ 98
Figure 20: Replacing the Front Panel Membrane Keyswitch................................................. 99
Figure 21: Replacing the RS232/Nurse Call Interface Board ................................................ 100
Figure 22: Replacing the Temperature Interface/Switch Board ............................................. 101
Figure 23: Replacing the RS232/Nurse Call Interface Board ................................................ 102
Figure 24: Replacing the SureTemp Plus Temperature Board.............................................. 103

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TABLES
Table 1: Parts of the System.................................................................................................. 12
Table 2: Monitor Configurations............................................................................................. 15
Table 3: Software Revisions .................................................................................................. 46
Table 4: DB9 Pin Out ............................................................................................................. 54
Table 5: SureTemp® Temperature Error Codes.................................................................... 72
Table 6: SureTemp® Plus Temperature Error Codes............................................................ 73
Table 7: Error Messages on the Message Window ............................................................... 74