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Troubleshooting Tips
For a complete list of troubleshooting tips, please
consult the LIFEPAK 15 Operating Instructions
LIFEPAK 15 Monitor/Defibrillator
Invasive Pressure (IP)
Observation Action
Invasive pressure
value is blank
Connect the transducer to the cable and the
cable to the monitor
PX NOT ZEROED
message appears
Zero the transducer
PX ZERO FAILED
message appears
Conrm the transducer is open to air and
repeat attempt to zero
Dampened
waveform
• Check the entire system for leaks. Tighten all
connections. Replace any defective stopcocks.
• Use syringe to draw back air or particles in
catheter, then ush system
No waveform or
pressure reading
Check patient. Check stopcock positions and
monitor setup.
Invasive BP lower
than cuff BP
• Reposition transducer to correct height
• Tighten all connections
• Flush system
• Open stopcock to air and rezero transducer
Invasive BP higher
than cuff BP
• Reposition transducer to correct height
• Rezero
• Change catheter tip position
• Use mean pressure values
Inability to zero
system
• Check the stopcock position. Replace any
defective stopcocks.
• Replace transducer
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