Product Manual
F6 and F6 Express Fetal & Maternal Monitor User Manual Fetal Monitoring Display
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8.4 Fetal Monitoring Alarm Messages
During fetal monitoring, the monitor gives alarms for the situations that need the physicians to
pay attention to. The alarm messages are listed below.
8.4.1 Patient Alarm Messages
Alarm Message Source Cause Countermeasure
Medium Level
**FHR1 HIGH or
** FHR1 xxx > yyy,
**FHR2 HIGH or
** FHR2 xxx > yyy
US
FHR1 or FHR2 measuring
result (xxx) is higher than the
set upper limit (yyy) over the
alarm delay time.
**FHR1 LOW or
** FHR1 xxx < yyy,
**FHR2 LOW or
** FHR2 xxx < yyy
US
FHR1 or FHR2 measuring
result (xxx) is lower than the
set lower limit (yyy) over the
alarm delay time.
Check if the alarm limits are
suitable; check the patient’s
condition.
8.4.2 Technical Alarm Messages
Alarm Message Source Cause Countermeasure
Medium Level
**Battery Low Monitor
The battery power is too low to
support further work of the
monitor.
Connect the monitor to AC
power supply.
Low Level
Check Paper Monitor
There is no paper in the paper
drawer or the drawer is open.
Load paper and/ or close
the drawer.
US1 UNPLUGGED or
US2 UNPLUGGED
US
US transducer 1 or US
transducer 2 is not well
connected.
Check the connection of the
transducer.
US1 SIGNAL LOSS or
US2 SIGNAL LOSS
US
FHR1 or FHR2 signal is too
weak for the system to
analyze.
Check if the US transducer
is aimed at the fetal heart;
check if the alarm limits are
suitable; check the patient’s
condition.
Fetus EQUIP MALF US
The fetus board can not
communicate with the system
successfully.
Restart the monitor and try
again, contact the
manufacturer if the
connection still fails.
TOCO UNPLUGGED TOCO
TOCO transducer is not well
connected.
Check the connection of the
transducer.










