Product Manual

F6 and F6 Express Fetal & Maternal Monitor User Manual Troubleshooting
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A3.6 Troubles with Contractions Monitoring (External)
Phenomenon Possible Cause Solution
The belt is too tight or too loose. Adjust the belt.
The belt has no elasticity. Renew the belt.
Maternal movement.
Request the patient to calm
down and stay still.
Bad trace quality or
fluctuant TOCO baseline
Frequent fetal movements. Delay the monitoring.
Too high TOCO
sensitivity (higher than
100 unit)
The body pressure from uterus to
TOCO transducer is far higher
than the average numeric.
Insure favorable contact for
patient skin with TOCO
transducer. Change the position
of TOCO transducer, if
necessary.
A3.7 Troubles with Monitoring Contractions (Internal)
Phenomenon Possible Cause Solution
No trend
The intrauterine catheter is
jammed
Wash with disinfector
No pressure change
when uterine contraction
“Dry” environment or the tip of
intrauterine catheter is placed
extraovularly
Wash with disinfector or change
the position of transducer
Only see the IUP peak
but no baseline
Zero adjustment is wrong Zero the system
The trend is a beeline The connector failure.
Move or contact catheter. If
trend no fluctuation, change
intrauterine cable.
A3.8 Big ECG Signal Interference or Thick Baseline
Phenomenon Possible Cause Solution
Abnormal electrodes placing or electrodes
invalidation.
Check the electrodes
placing and the period of
validity of electrodes.
Big ECG signal
interference or thick
baseline
The cable connector is not well connected.
Check the connection of
cable connector.