Mindray uMEC12 - Setting the Pressure Unit; Troubleshooting

14-7
14.6.6 Setting the Pressure Unit
Select [Unit Setup >>] from the [User Maintenance] menu. In the popup menu, select
[Press. Unit] and toggle between [mmHg] and [kPa]. Select [CVP Unit] and toggle between
[mmHg], [cmH
2
O] and [kPa].
14.7 Troubleshooting
This section lists the problems that might occur. If you encounter the problems when using
the equipment or accessories, check the table below before requesting for services. If the
problem persists, contact your service personnel.
CAUTION
z Never try to disassemble the equipment or supplied accessories. There are no
internal user-serviceable parts.
Symptoms Possible Cause Correction Action
Damped invasive
waveform
Air bubbles in tubing Eliminate air from tubing as
described in 14.4 Setting Up the
Pressure Measurement.
Kinked catheter Change the position of catheter.
Blood in tubing Pressurize the solution bag to 300
mmHg. For details, refer to the
instructions for use of the solution
bag.
IBP not
displayed/no IBP
waveform
Improper setup Check display setup in monitor setup.
Cable not plugged in Check that the cables are properly
connected.
Transducer not connected. Check that the transducer is properly
connected.
Stopcock turned improperly. Check that the stopcock is turned to
the correct position.
Transducer not zeroed
Check and zero the transducer as
described in 14.3 Zeroing the
Transducer.
Dashes “- -” display
in place of numerics.
The measured result is invalid or
out of range.
IBP might be set to non-pulsatile
labels like CVP, LA, RA, and
ICP.
Change to a pulsatile label.