Smiths Medical Medfusion 3000 Series, Technical & Service Manual

Page: 4 / 184

Table of Contents
iv
40-5648-51B
Front panel interface description................................... 42
LED drive circuit, Q26, Q27, Q40, Q33 - Q37 ........ 42
Keypad matrix interface ............................................. 42
Power switch interface ................................................ 42
Graphic display interface description ........................... 43
Data output to LCD, U32 / data input from LCD,
U6 .............................................................................. 43
LCD contrast................................................................ 43
LCD backlight.............................................................. 43
Motor drive description .................................................. 44
Coil A & B PWM current references ........................ 44
Motor current regulators, U26, U35 ......................... 44
Motor current detector, U40 ...................................... 44
Sensors interface description ......................................... 45
Motor speed detection ................................................ 45
Syringe sensing description ....................................... 45
Syringe size sensing..................................................... 45
Syringe flange (ear) sensing ....................................... 45
Plunger position sensing description ............................ 46
Speaker drive description ........................................... 46
Speaker control ............................................................ 46
Speaker test .................................................................. 47
Plunger board – schematic level .......................................... 47
Force preamplifier function ............................................ 47
Force sensing interface description ............................... 47
Plunger flipper sensor function ................................. 48
Interconnect board – schematic level ................................. 49
AC power detection description .................................... 49
External DC power conditioning / detection
description ................................................................... 50
Infrared serial data port description ............................. 50
Battery management description ................................... 51
Battery gauge interface ............................................... 51
Battery charger ............................................................ 51
Charge detector ........................................................... 52
Battery switchover ....................................................... 52
Battery board – schematic level ........................................... 52
Battery gauge function .................................................... 52
Severely depleted battery monitor ................................. 52
IV Troubleshooting 53
Problem solving alarms / alerts 53
Types of alarms / alerts ......................................................... 53
Alarm messages & priorities ................................................ 54
System Advisory Alarms ................................................. 60
System Failure Alarms .................................................... 61
General troubleshooting ....................................................... 65
Smiths Medical service and support 67
Using Smiths Medical service assistance ............................ 67
Returning a pump for repair ................................................ 67
Using B
iomed
for troubleshooting 68
Accessing Biomed ................................................................. 68
Biomed > Calibration ................................................ 69
Biomed > Diagnostics (screen 1 of 2) ....................... 69
Audio Test .................................................................... 69
Display Test .................................................................. 69
Indicator Test ............................................................... 69
Keypad Test .................................................................. 70
Monitor Analog Sensors ............................................ 70
Monitor Digital Sensors ............................................. 70
Monitor Battery Status ............................................... 70
Drive Train Test ........................................................... 70
Biomed > Diagnostics (screen 2 of 2) ....................... 70
Motor Drive Test ......................................................... 71
Monitor a2d Selftest .................................................... 71
Monitor 6811 a2d Group1 ......................................... 71
Monitor 6811 A2D Group2 ....................................... 71
Biomed > Utilities ........................................................ 71
Set/View Last [Next] PM Date .................................. 71
Set Time/Date (Current) .......................................... 72
View Alarm History .................................................... 72
View Infusion History ................................................ 72
View Software CRCs & View Software
Versions .................................................................. 72
View Service Data ....................................................... 72
View EEPROM Size [available only on Medfusion™
3500 pumps version 4 and higher) .......................... 72
Biomed > Update Firmware [not available on
Medfusion™ 3500 pumps, version 4 and higher] ... 73
Set Language [Not available on Medfusion™ 3010
and 3010a] .................................................................... 73
V Parts Replacement 75
Maintenance warnings/cautions 75
Service warnings ................................................................... 75
Service cautions .................................................................... 75
Opening & closing the pump housing 76
Tools needed .......................................................................... 76
Opening the pump housing ................................................. 76
Closing the pump housing ................................................... 76
Battery pack 77
Tools needed .......................................................................... 77
Removing the battery pack .................................................. 77
Replacing the battery pack ................................................... 77
Verifying battery function after new battery
replacement .................................................................. 77
Interconnect board 78
Tools needed .......................................................................... 78
Removing the interconnect board ....................................... 78
Replacing the interconnect board ....................................... 78
Verify interconnect board function ............................... 78
Speaker 78
Tools Needed .......................................................................... 78
Speaker removal .................................................................... 78
Speaker replacement ............................................................. 78
Verifying speaker function ............................................ 78