Revision C 250cx Series Maternal/Fetal Monitor 16-7
2036946-001
Troubleshooting: MECG Troubleshooting
MECG Troubleshooting
Blood Pressure Troubleshooting
MECG Troubleshooting
Problem Probable Cause Possible Solution
MECG erratic or not functioning properly.
Cable not properly connected to monitor.
Electrodes not properly placed.
Clips not attached to electrodes properly.
Electrode gel dried.
Defective MECG cable.
Selected lead providing
inadequate signal.
Service required.
Ensure cable is securely attached to
monitor.
Re-apply electrodes.
Check clip attachments.
Check electrodes and change if
necessary.
Replace cable.
Change lead selection on MHR/P Setup
screen.
Call Biomedical Engineering
Department.
Dashes (– – –) shown in MHR/P area of
display.
Monitor unable to make a determination
due to insufficient signal.
Ensure patient is not asystolic.
Ensure electrodes are firmly secured to
patient.
Blood Pressure Troubleshooting
Problem Probable Cause Possible Solution
High reading. Measurement taken during uterine
contraction.
Annotate chart, then take a manual
reading in-between contractions.
If possible, cancel reading during
contraction.
Enable the monitor’s Smart BP feature.
CHECK CUFF message displayed in NIBP
area of display.
Improper cuff position.
Loose cuff.
Air pressure error.
Maternal movement.
Hose not properly connected to monitor.
Neonatal cuff connected.
Reposition cuff.
Tighten cuff.
Contact Biomedical Engineering
Department.
Restrict patient limb movement.
Ensure that hose is firmly attached to
monitor.
Ensure an adult cuff is connected.
OVERPRESSURE message displayed in
NIBP area of display.
Cuff pressure has exceeded the
overpressure limit of 315 ± 15 mmHg
(42.0 ± 2.0 kPa).
Kinked hose.
Blocked hose.
Restrict patient limb movement. If this is
not the case, contact Biomedical
Engineering Department to perform
pneumatic test.
Check the external cuff for kinks.
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