Mindray Passport 5-Lead, Руководство по обслуживанию

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Passport 5-Lead, 5L, LT, XG Service Manual 0070-00-0420 1 - 169
Operation (5-Lead, 5L, LT and XG) Operation (XG)
AC Noise -Gain set too high (set through SIZE key).
-Electrodes dry.
-Patient cable entwined with cables of other
electrical devices.
-Readjust as necessary.
-Re-prep skin and apply
fresh, moist electrodes.
-Separate patient cable
from all other cables.
Intermittent
Signal
-Connections not tight and properly secured.-
Electrodes dry.
-Cable or lead wires damaged.
-Ensure proper
connection. (Electrode
to lead, lead to cable,
cable to monitor.)
-Re-prep skin and apply
fresh moist electrodes.
-Check with continuity
tester.
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.
PROBLEM REASON SOLUTION