Internal Ua Troubleshooting; Mecg Troubleshooting - GE Corometrics 250cx Series Service Manual

Internal UA Troubleshooting

Problem
Internal pressure not measuring correctly.
CHECK IUP message displayed in UA area
of the display.

MECG Troubleshooting

Problem
MECG erratic or not functioning properly.
Dashes (– – –) shown in MHR/P area of
display.
Revision C
Troubleshooting: General Troubleshooting
Table 19. Internal UA Troubleshooting
Probable Cause
Transducer not properly connected to
monitor.
Air bubble in dome; or catheter blocked.
Dome is cracked.
Strain gauge not at same height as
catheter tip.
Catheter has fallen out of place.
Catheter or strain gauge not zeroed.
Service required.
Blockage in fluid-filled catheter.
Fetus pressing directly on catheter.
Defective strain gauge or catheter.
Service required.
Table 20. MECG Troubleshooting
Probable cause
Patient cable not properly connected to
monitor.
Electrodes not properly placed.
Clips not attached to electrodes properly.
Electrode gel dried.
Defective MECG cable.
Service required.
Selected lead providing
inadequate signal.
Monitor unable to make a determination
due to insufficient signal.
250cx Series Maternal/Fetal Monitor
2036947-001
Possible Solution
Ensure transducer is securely attached
to monitor.
Flush dome and catheter.
Replace dome.
Adjust strain gauge height.
Replace catheter.
Calibrate catheter or strain gauge.
Call Biomedical Engineering
Department.
Flush catheter. Re-zero. Replace
catheter if necessary.
Reposition by twisting catheter.
Replace strain gauge or catheter.
Call Biomedical Engineering
Department.
Possible solution
Ensure patient cable is securely
attached to monitor.
Re-apply electrodes.
Check clip attachments.
Check electrodes and re-apply gel if
necessary.
Replace cable.
Call Biomedical Engineering
Department.
Change lead selection on MHR/P Setup
screen.
Ensure patient is not asystolic.
Ensure electrodes are firmly secured to
patient.
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