User`s guide

viii
Patient Safety Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-24
Warnings, Cautions, and Safety Precautions . . . . . . . . . . . . . . . . . .4-24
Safety Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-24
S(1) Part 1: System Enclosure Leakage Current - NC (normal condition) 4-25
S(1) Part 2: System Enclosure Leakage current - Single Fault (open earth) 4-26
Reporting safety test S(1) in the Service record . . . . . . . . . . . . . 4-26
S(2) Protective Earth Continuity . . . . . . . . . . . . . . . . . . . . . . . 4-27
Reporting safety test S(2) in the Service record . . . . . . . . . . . . . 4-27
S(3) Patient Leakage current - Single Fault Condition (S.F.C.) mains on applied part
4-28
Reporting safety test S(3) in the Service record . . . . . . . . . . . . . 4-28
Answers to the Tutorial for Testing the Instrument. . . . . . . . . . . . . . . . .4-30
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Part 1 Troubleshooting Checklists. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Checks for Obvious Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Checks Before Opening the Instrument . . . . . . . . . . . . . . . . . . . . . .5-3
Checks with the Instrument switched Off . . . . . . . . . . . . . . . . .5-3
Checks with the Instrument Switched On, AC connected, without Battery 5-4
Checks with the Instrument Switched On, AC connected, with Battery 5-4
Checks with the Instrument Switched On, AC not Connected, with Battery 5-4
Troubleshooting the Front-Panel LEDs . . . . . . . . . . . . . . . . . . . 5-5
Troubleshooting the System Board LEDs . . . . . . . . . . . . . . . . .5-6
Troubleshooting the Display Adapter Board LED . . . . . . . . . . . 5-7
Troubleshooting the Wireless Assembly LEDs . . . . . . . . . . . . . 5-7
Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Radio LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-8
Sync LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-8
Link LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-8
Troubleshooting the Measurement Server LEDs . . . . . . . . . . . .5-8
First Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-9
What To Do if the Monitor Cannot Be Switched On, AC powered 5-9
What To Do if the Monitor Cannot Be Switched On, Battery powered 5-9
Initial Instrument Boot Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-10
What Happens During a Regular Boot, AC powered, without Battery 5-10
What To do If the Display Remains Dark . . . . . . . . . . . . . . . . . 5-10
Isolating Problems to the Correct Subassembly . . . . . . . . . . . . . . . .5-11
Troubleshooting the ECG OUT . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Data Flow Marker In and ECG Wave . . . . . . . . . . . . . . . . . . . . 5-12
Part 2 Isolating and Solving Instrument Problems . . . . . . . . . . . . . . . . .5-13
INOP Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-13
Isolating the Defective Component . . . . . . . . . . . . . . . . . . . . . . . . .5-17
Part 3 Using Support Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-25