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12
RoVent Troubleshooting
Message Definition
• Check the tubing between the INS and
EXP ports for leaks or loose connections.
• The ventilator circuit is open. Do not run
the ventilator prior to connecting the
animal.
• Verify that the Body Weight or Target
tidal volume setting is correct and that
the delivered tidal volume is an appro
priate value for the animal’s size.
• If the error persists, perform a Leak Test
in the Calib & Tests section.
• The endotracheal tube is not seated
correctly.
• There is a kink, blockage or foreign
matter in the inspiratory or expiratory
lines.
• The cap is on the EXP port.
• The expiratory valve has failed.
Alarm Messages
• Requested Tidal Volume is too high for
Pressure and RR .
• Part of the tubing between the INS and
EXP ports is open, disconnected or
leaking.
• There is a kink in the tubing.
• There is foreign matter in the tubing or
in the exhaust valve.
• The exhaust outlet is blocked.
• The endotracheal tube is not seated
correctly.
• Deadspace calibration is incorrect for
current tubing setup.
C F
Solution
The highest measured
pressure in a breath cycle
is under 25% of the target
and the tidal volume is over
target.
The highest measured
pressure in a breath cycle is
under 25% of the target and
tidal volume is under target.
The breath pressure fails to
drop during the expiratory
phase of a breath.
Over five consecutive
breaths, peak pressure was
more than 25% or less than
75% of your target.
Over the last four breaths,
there was an increase of
more than 25% in average
tidal volume compared
to that of the previous 16
breaths.
Over the last four breaths,
there was a decrease of
more than 25% in average
tidal volume compared
to that of the previous 16
breaths.
Dead space calibration
produced a negative tidal
volume.
Tube open to
atmosphere
Tube blocked
Exhaust blocked
Out of regulation
Large rise in TV
Large drop in TV
Deadspace calib