GE Corometrics 250cx Series

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.)