F9, F9 Express Fetal & Maternal Monitor User Manual Troubleshooting
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The special ground wire
connecting with monitor is not
properly earthed.
Check if the special ground wire
connecting with monitor is
earthed.
A3.9 NIBP and SpO2 No Results
NIBP and SpO
2
have no
results
The NIBP cuff is not properly
wrapped to the position of
patient's arm.
Check if the NIBP cuff is
properly wrapped to the position
of patient's arm.
The NIBP can not be inflated.
Extend catheter, and check the
connection.
Hose connector plug is not
connected well with the NIBP
socket.
Check if the hose connector
plug is connected well with the
NIBP socket.
SpO
2
transducer is not
connected well with the SpO
2
socket.
Check if the SpO
2
transducer is
connected well with the SpO
2
socket.
Abnormal working condition.
Shut off the power, then switch it
on again.
A3.10 Blown Fuses
WARNING
Switch off the monitor and unplug it before changing the fuse.
Replace the fuse when it is blown.
The two fuses of the monitor are located on the bottom panel, their specifications are:
Size: Ф5mm*20mm; Model: T2AH250V.
To replace a fuse:
1) Fold the LCD display completely flat.
2) Carefully place the monitor upside down on a flat surface covered with cloth or other
protecting pad.
3) With a flat-head screw driver, push the fuse in for about 1 mm and then unscrew it
anticlockwise.
4) Remove the old fuse and replace it with a new fuse that is supplied by the manufacturer or of
the same specifications.
5) Push the new fuse into the socket for about 1 mm and then screw it clockwise back in
position.
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