GE Corometrics 250cx Series, Operator'S Manual

Page: 178 / 250

16-6 250cx Series Maternal/Fetal Monitor Revision C
2036946-001
Troubleshooting: Internal UA Troubleshooting
Internal UA Troubleshooting
Flashing “+” sign. mmHg > 100 (13.3 kPa) Press the
UA Reference
button between
contractions.
CHECK TOCO message is shown in UA
area of the display area when the
UA
Reference
button is pressed.
„
UA Reference button pressed before
UA circuits stabilized.
„
UA Reference range exceeded due to
over-tightening belt.
„
Transducer defective.
„
Service required.
„
You must wait 10 seconds following
powering on the monitor and/or
connecting to the
UA
connector.
„
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.)
„
Replace transducer.
„
Call Biomedical Engineering
Department.
Internal UA Troubleshooting
Problem Probable Cause Possible Solution
Internal pressure not measuring correctly.
„
Cable not properly connected to monitor.
„
Catheter has fallen out of place.
„
Catheter zeroed.
„
Service required.
„
Ensure cable is securely attached to
monitor.
„
Replace catheter.
„
Calibrate catheter.
„
Call Biomedical Engineering
Department.
CHECK IUP message displayed in UA area
of the display.
„
Blockage or kinked catheter.
„
Fetus pressing directly on catheter.
„
Defective catheter.
„
Service required.
„
Flush catheter. Re-zero. Replace
catheter if necessary.
„
Reposition by twisting catheter.
„
Replace catheter.
„
Call Biomedical Engineering
Department.
External UA Troubleshooting
Problem Probable Cause Possible Solution