GE Corometrics 250 Series, Service Manual, Page: 189 / 252

Revision D 250 Series Maternal/Fetal Monitor 5-47
2020551-001
Troubleshooting: General Troubleshooting
Ultrasound Troubleshooting
FECG Troubleshooting
Table 23. Ultrasound Troubleshooting
Problem Probable Cause Possible Solution
Ultrasound not functioning properly.
„
Transducer not properly connected to
monitor.
„
Transducer placement.
„
Too little gel applied to transducer.
„
Defective transducer.
„
Active fetus or mother. Fetal arrhythmia
or hiccups. Extreme maternal obesity.
„
No signal.
„
Service required.
„
Ensure that transducer is securely
attached to monitor.
„
Wait before moving transducer; FHR
often returns. Reposition transducer.
„
Apply more gel.
„
Replace transducer.
„
Use alternate technique.
„
Auscultate FHR.
„
Call Biomedical Engineering
Department.
Static noise on ultrasound.
„
Active fetus.
„
Environmental noise.
„
Maternal movement.
„
Defective transducer.
„
Reposition transducer.
„
Keep sheets and gown off transducer.
Do not hold transducer with hand.
„
Use alternate monitoring mode.
„
Replace transducer.
Rate on FHR area of display and FHR
trend on strip chart paper do not correlate.
„
Paper Scale is incorrectly configured to
either
50-210 bpm or 30-240 bpm.
„
Call Biomedical Engineering
Department.
Table 24. FECG Troubleshooting
Problem Probable Cause Possible Solution
Internal FECG erratic or not recording
properly.
„
Transducer not properly connected to
monitor.
„
Attachment pad or legplate not securely
attached to patient.
„
Electrode wire not secure in
legplate post.
„
Paste is dried or incorrect paste is being
used.
„
Electrode not properly attached.
„
No FECG signal.
„
Defective electrode.
„
Defective attachment pad.
„
Service required.
„
Ensure transducer is securely attached
to the monitor.
„
Secure attachment pad or legplate to
patient.
„
Inspect legplate connection.
„
Check ECG paste; re-apply, if
necessary.
„
Replace electrode.
„
Auscultate FHR.
„
Replace electrode.
„
Replace attachment pad.
„
Call Biomedical Engineering
Department.
Rate in FHR area of the display and the
FHR trend on the strip chart paper do not
correlate.
„
Paper Scale is incorrectly configured to
either 50-210 bpm or 30-240 bpm.
„
Call Biomedical Engineering
Department.