Mindray Passport 5-Lead, Service Manual

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Passport 5-Lead, 5L, LT, XG Service Manual 0070-00-0420 1 - 63
Operation (5-Lead, 5L, LT and XG) Operation (5-Lead, 5L, LT)
Excessive alarms:
heart rate, lead
fault
-Electrodes dry.
-Alarm limits set too close to patient’s
normal heart rate.
-R-wave wrong size.-Excessive patient
movement or muscle tremor.
-Re-prep skin and apply fresh,
moist electrodes.
-Readjust.
-Must be twice the amplitude of
other part of waveform.
-Reposition electrodes and
secure with tape if necessary.
Low Amplitude
ECG Signal
-Gain set too low. (Set through SIZE key.)
-Skin improperly prepared.
-Possibly not patient’s normal complex.
-Electrode could be positioned over a bone
or muscle mass.
-Readjust as required.
-Abrade skin.
-Check with 12 lead
electrocardiogram.
-Reposition electrodes.
Trace Not Moving -FREEZE key may have been pressed. -Press the FREEZE key to
unfreeze the trace.
Temperature
Probes not
Working
-Poor contact from probes to body. Check the body surface contact
at the probe tip. Reposition or
apply thermoconductive gel.
Display Appears
to be Off
-Mains power switch may not be on.-Unit
may not be plugged into an AC outlet.
-If used as a portable, battery pack may be
drained.
-Check mains power switch on
side panel.
-Check power cord (Is it
plugged in?).
-If battery pack is drained, plug
into an AC outlet to recharge
the battery. A period of 16
hours is required for a full
charge.
Disabled Alarm
Tone, QRS Tone,
or Other Function
-Mute key pressed.
-Beep volume low.
-Check for alarm mute symbol.
-Increase beep volume.
ECG Base Line
With No
Waveform
-Gain control not set high enough. Set
through SIZE key.
-Lead wires and patient cable not fully
inserted into proper receptacle.
-Cable or lead wires damaged.
-Readjust as required.
-Check insertion.
-Check with lead continuity
tester.
Base Line Wander -Patient moving excessively.
-Patient’s respiration.
-Electrodes dry.
-Static build up around patient.
-Secure lead wires and cable to
patient.
-Reposition electrodes.
-Re-prep skin and apply fresh
moist electrodes.
-Check with hospital engineer.
Damped Invasive
Waveform
-Air bubbles in tubing.-Kinked catheter.
-Catheter against will of blood vessel.
-Blood in tubing.
-Eliminate air from tubing.
-Slightly alter position of
catheter.
-Check for leaks at connector.
-Pump pressure bag up to 300
mmHg.
Recorder Report
Appears Totally
Blank
-Thermal paper may be installed
incorrectly. (up-side down)
-Remove paper and re-install
with paper feeding off of the
spool from the bottom.
Resp. Waveform
Too Large
-Scales set inappropriately. -Change scale via menu.
Resp. Waveform
Too Small
-Patient breathing shallow or turned on
side.
-Scale set inappropriately.
-Change lead position to better
detect respirations.
-Change scale.
PROBLEM REASON SOLUTION