Fluke-biomedical MPS450 User Manual download pdf (Page 107)

A-1

Appendix A

Troubleshooting

Introduction

Table A-1 lists some possible problems and their solution for repair.

Table A-1. Problem vs. Solution

Problem Probable Cause Solution

ECG

Monitor filters There will be a slight loss of amplitude when

simulating NSR. Use a pulse wave to verify

amplitude more accurately.

Lead setting on monitor

incorrect

Check monitor lead select switch. Set to

Lead II.

Lead II amplitude not correct

Leads not connected

properly

Check color-coded ECG jacks.

Blood Pressure

MPS450 transducer

sensitivity not set

correctly

Check monitor manufacturer’s BP-sensitivity

requirements. Reset the MPS450 either to

5 μV/V/mmHg or to 40 μV/V/mmHg.

Wrong BP cable Many manufacturers use plugs and

configurations with wiring differences. Check

the MPS450 BP-wiring diagram and match

with monitor specification.

Monitor not zeroed Zero the MPS450 BP channel. Next, zero the

monitor.

Monitor sensitivity

(scaling) not correct

Adjust scaling on monitor, near range

simulated (i.e., 120 mmHg).

No BP or wrong output

Performance waveform

currently output (which

turns off BP)

Select normal physiological waveform.

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Fluke-biomedical MPS450 User Manual Page 107