Covidien Puritan Bennett 540, Руководство пользователя

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Alarms and Troubleshooting
3-16
Puritan Bennett 540™ Ventilator User’s Manual
BATTERY TEMPERATURE
FAULT
Battery temperature out of the
tolerance ranges.
Defective internal temperature probe or
any other technical anomaly inside the
battery.
CAUTION: Ensure that ventilator is being
used according to the operating
instructions found in
Appendix A,
“Specifications” .
If the ambient temperature is too low,
place the device in a warmer
environment.
If the ambient temperature is too high,
place the ventilator in a cooler
environment.
WARNING
In case of operation in a high ambient
temperature, handle the ventilator
with care; some portions of the device
may have high surface temperatures.
Call your customer service representative.
CAUTION: Do not attempt to charge a
defective battery; such a battery cannot
be charged.
CALIBRATION FAULT
Too large a difference between a
calibration point and its tolerance range.
Restart calibration.
Defective expiratory flow sensor.
Have a qualified technician replace the
defective component(s) and call your
customer service representative.
CHECK
EXH. VALVE
RESTART VENT*
*IF PERSISTS REPLACE
VENT
Obstruction or abnormal damage of the
exhalation valve. Clean or replace the exhalation valve
and/or its control tube.
Defective connection or defective
exhalation valve tubing.
Reconnect the valve or replace the
exhalation valve and/or the exhalation
valve pilot pressure tube.
Defective inspiratory flow sensor.
Have a qualified technician replace the
defective component(s) and call your
customer service representative.
CHECK PROXIMAL LINE1*
*IF PERSISTS
REPLACE VENT
No connection of the proximal pressure
tube when ventilation starts.
Reconnect the proximal pressure line.
Proximal pressure line disconnected or
obstructed. Reconnect the connection line or
replace it if obstructed.
Defective proximal pressure sensor or
internal leak of the machine.
Have a qualified technician replace the
defective component(s) and call your
customer service representative..
CHECK SETTINGS
Loss of memorized parameters.
Check and adjust the prescribed
parameters, if necessary.
Software versions have changed.
CHECK/CHANGE
EXH VALVE1 *
*IF PERSISTS
REPLACE VENT
Large leakage detected on the patient
circuit return limb during the inspiratory
phase.
Replace the exhalation valve and/or its
control tube.
Contaminated or defective expiratory flow
sensor.
Have a qualified technician replace the
defective component(s) and call your
customer service representative.
Table 3-2. Alarms and Corrective Actions (Continued)
Alarm Message or
Symptom
Possible Reason(s) For The Alarm Event Corrective Action(s)