GE Corometrics 250cx Series Service Manual

Revision C 250cx Series Maternal/Fetal Monitor 5-47
2036947-001
Troubleshooting: General Troubleshooting
Ultrasound Troubleshooting
FECG Troubleshooting
Table 16. 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 17. 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.

GE Corometrics 250cx Series Specifications

General

Type	Fetal Monitor
Model	250cx Series
Manufacturer	GE Healthcare
Fetal Heart Rate Monitoring	Yes
Ultrasound Frequency	1 MHz
Recorder Speed	1, 2, 3 cm/min
Maternal Parameters	ECG, NIBP, SpO2
FHR Range	30-240 bpm
TOCO Range	0-100
Connectivity	RS-232
Power Source	AC Power
Display	Color LCD