User's Manual

18-11
Invasive Pressure Troubleshooting Guide
Clinical Situation Possible Cause Solution
Intermittent or no operation ■ Module error. ■ Call a qualified service person.
No pressure key appears ■ Module not inserted correctly. ■ Reinsert the module.
■ Transducer not connected. ■ Reconnect the transducer.
Numeric display does not
settle
■ Respiration artifact too high. ■ Select ART REJ ON.
Pressure display disappears ■ Cable disconnected from the
module.
■ Reconnect cable.
■ Cable disconnected from the
transducer.
■ Reconnect cable.
Pressure shows NOT
ZEROED
■ Pressure has not been zeroed. ■ Zero pressure with the ZERO key
after opening transducer to air.
Shows constant pressure ■ Stopcock(s) are positioned
incorrectly.
■ Reposition stopcock(s) to connect
the patient to the transducer
(a waveform will appear on the
screen).
ZERO REJECTED message
appears
■ Stopcock(s) are positioned
incorrectly.
■ Reposition stopcock(s) to open the
transducer to air. Zero pressure with
the zero key.
■ Still unable to zero. ■ Follow transducer manufacturer’s
instructions to correct the problem.
CHECK CATHETER key
appears on the monitor
■ Stopcock(s) are positioned
incorrectly.
■ Reposition stopcock(s) to connect
the patient to the transducer
(a waveform will appear on the
screen).
■ UA catheter has become dislodged
or occluded.
■ Check UA catheter.
■ Upon completion of the above, touch
the CHECK CATHETER key to
silence the alarm.