Fault-Cause-Remedy
160
Instructions for Use Fabius MRI SW 3.n
Ventilator Fail State
If the Fabius MRI does not recover from a
»VENTILATOR FAIL!!!« condition:
z Switch to ManSpont mode by pressing the
ManSpont key and confirming the mode change
by pressing the rotary knob.
z Set the APL valve to MAN position.
z Adjust the APL pressure limit for the desired
inspiratory plateau pressure.
z Press the O
2 flush button on the Fabius MRI as
required to sufficiently inflate the breathing bag.
z Manually ventilate the patient by squeezing the
breathing bag.
Overriding the Ventilator
In the unlikely event of a fault in which the ventilator
does not recover, and the user cannot switch to
manual ventilation mode through the use of the
ManSpont key and rotary knob, manual ventilation
is still possible.
z Locate the ON/OFF switch on the rear panel.
z Toggle the ON/OFF switch to “off” ( ) and then
z Toggle the ON/OFF switch back to “on” ( ).
The ventilator now performs as in ManSpont
mode.
z Set the APL valve to MAN position.
WARNING
Risk of patient injury
If the ventilator fails, the anesthesia machine
switches to the ventilation mode ManSpont.
Set the APL valve to a correct pressure limit-
ing value and ventilate the patient manually.
NOTE
In the ventilator fail situation, the ventilator piston
assembly position may not be locked. As a result,
airway pressure may initially push the piston back
to its limit stop, increasing the volume of the
breathing circuit. It may be necessary to press the
O
2 flush button again to reinflate the breathing
bag.
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