External Uterine Activity Troubleshooting - GE Corometrics 126 Service Manual

External Uterine Activity Troubleshooting

Problem
Tocotransducer not recording contractions.
Flashing "+" sign.
message is shown in UA
CHECK TOCO
area of the display area when the
pushbutton is pressed.
Reference
15-8
Troubleshooting: External Uterine Activity Troubleshooting
Table 15-5. External UA Troubleshooting
Probable Cause
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.
Relative pressure > 100.
UA Reference pushbutton pressed
before UA circuits stabilized.
UA Reference range exceeded due to
over-tightening belt.
UA
Transducer defective.
Service required.
120 Series Maternal/Fetal Monitor
2015590-001
Possible Solution
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
while no pressure is applied to
transducer button. Re-apply transducer.
Do not overtighten belt. Press
pushbutton again between
Reference
contractions.
Press the pushbutton
UA Reference
between contractions.
You must wait ten seconds following
powering on the monitor and/or
connecting to the connector.
UA
Loosen belts or remove transducer from
patient. Press
UA Reference
while no pressure is applied to
transducer button. Re-apply transducer.
Do not overtighten belt. Press
pushbutton again between
Reference
contractions.
Replace transducer.
Call Biomedical Engineering
Department.
pushbutton
UA
pushbutton
UA
Revision B