GE Corometrics 250cx Series, Operator'S Manual

Page: 177 / 250

Revision C 250cx Series Maternal/Fetal Monitor 16-5
2036946-001
Troubleshooting: FECG Troubleshooting
FECG Troubleshooting
External Uterine Activity Troubleshooting
FECG Troubleshooting
Problem Probable Cause Possible Solution
Internal FECG erratic or not recording
properly.
„
Cable 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 cable 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. Monitor is set for 30 bpm/cm vertical scale
and 20 bpm/cm vertical scale strip chart
recorder paper is being used (or vice
versa). Call Biomedical Engineering Department.
External UA Troubleshooting
Problem Probable Cause Possible Solution
Tocotransducer not recording contractions.
„
Transducer not properly connected to
monitor.
„
Transducer not properly placed.
„
Transducer not secured to patient.
„
Defective transducer/cable assembly.
„
No maternal contractions.
„
UA Reference range exceeded.
„
Ensure that transducer is securely
attached to monitor.
„
Reposition transducer.
„
Secure or re-apply transducer to patient.
„
Replace transducer/cable assembly.
„
Wait.
„
Loosen belts or remove transducer from
patient. Press
UA Reference
button while
no pressure is applied to transducer
button. Re-apply transducer. Do not
overtighten belt. Press
UA Reference
button again between contractions. (See
“Out of Range Condition” on page 6-4 for
further information.)