Covidien Puritan Bennett 560 User Manual page 63

Table 3-2. Alarms and Corrective Actions (Continued)
Alarm Message or
Symptom
HIGH PRESSURE
HIGH RATE
HIGH VTE
User's Manual
Possible Reason(s) For The Alarm Event
Adjustment of Max PIP too low (only for
V A/C and V SIMV modes).
Airway obstruction.
Proximal pressure tube or patient circuit
obstructed.
Coughing or other high-flow exhalation
efforts.
Patient inspiratory resistance or compliance
changes.
Defective internal circuits of the machine or
pressure sensor.
Adjustment of the Max Rtot level too low.
Adjustment of the I Sens level too low.
Patient hyperventilating.
Defective inspiratory flow sensor.
Adjustment of the Max VTE level too low.
Inappropriate patient circuit.
Exhalation flow sensor not calibrated
properly.
Defective exhalation flow sensor.
Alarms and Troubleshooting
Corrective Action(s)
Note:
Always consult the clinician before
changing PEEP, FIO , pressure, volume or
2
Rate settings.
Increase the Max PIP threshold.
Check patient's trachea and clear the
obstruction. If the filter is obstructed,
replace the filter.
Clean the proximal pressure tube or the
patient circuit or replace them.
Treat patient's cough.
Silence the alarm, if necessary.
Have physician determine if ventilator
settings are appropriate for the patient.
Replace the ventilator and call your
customer service representative.
Re-adjust Max Rtot.
Adjust I Sens according to the patient.
Silence the alarm and call for a medical
team if the symptoms persist.
Check for auto-cycling and adjust
inspiratory sensitivity, manage leaks or drain
condensation from patient circuit.
Have a qualified technician replace the
defective component(s) and call your
customer service representative.
Note:
Always consult the clinician before
changing PEEP, FIO , pressure, volume or
2
Rate settings.
Modify the Max VTE level.
Replace the patient circuit.
Ensure there is not excessive airflow near
the exhalation block (such as a fan).
Calibrate the exhalation flow sensor.
Replace the exhalation block and calibrate
the exhalation flow sensor. Call your
customer service representative.
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