Troubleshooting
User’s Manual, DU3310103-MRI / rev.3 - 02.05.2019
9-5
VTE high
This alarm is activated when the expired tidal volume is higher than
• Check that the corresponding alarm limits are set correctly.
• Check the expired flow sensor calibration
• Contact the nearest Siare Service Centre or a Centre authorised by
VTE low
This alarm is activated when the expired tidal volume is lower than
• Check that the corresponding alarm limits are set correctly.
• Check the correct settings of the patient's respiratory parameters
(according to the operative mode selected: Volume/Flow, Rate, I/E,
Trigger).
• Check that the mask, endotracheal tube and patient circuit are not in
some way split, disconnected or connected wrongly If this is the case,
eliminate the problem or replace them.
• Check that the patient circuit is connected correctly to the ventilator
and to the patient.
• Check the expired flow sensor calibration
• Contact the nearest Siare Service Centre or a Centre authorised by
Rate high
This alarm is activated when the breathing rate volume is higher
• Check that the corresponding alarm limits are set correctly.
• Check that the patient's respiratory parameters are set correctly.
• Check that the sensitivity of the Trigger is appropriate to the patient's
physiological conditions.
• Contact the nearest Siare Service Centre or a Centre authorised by
Rate low
This alarm is activated when the breathing rate volume is lower than
• Check that the corresponding alarm limits are set correctly.
• Check that the patient's respiratory parameters are set correctly.
• Check that the ventilator functions correctly, checking the airways
pressure trend. If the ventilator functions correctly, check the flow
sensor and the correct connection of its cable.
• Check that the mask, endotracheal tube and patient circuit are not in
some way split, disconnected or connected wrongly If this is the case,
eliminate the problem or replace them.
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