12 Technical description
12.5 Testing the alarms
Alarm testing methods
Power supply failure alarm
Disconnect the AC power cord.
High FiO2 alarm
Temporarily change the threshold to activate the
corresponding alarm.
Low exhaled volume alarm
Temporarily change the threshold to activate the
corresponding alarm.
High pressure alarm
Temporarily change the threshold to activate the
corresponding alarm.
High PEEP alarm
Temporarily change the threshold to activate the
corresponding alarm.
Obstruction alarm
Use a suitable device to simulate obstruction of
the expiratory branch during ventilation (e.g. by
clamping the expiratory branch).
O2 supply failure alarm
Disconnect the oxygen supply.
Means of testing an alarm in each category
LOW ALARM
Adjust a min VTe threshold to below the mea-
sured value.
MEDIUM ALARM
Adjust a min VTe threshold to below the mea-
sured value and wait three cycles. This same
alarm switches to MEDIUM.
HIGH ALARM
Disconnect the hot-wire sensor in standby or ven-
tilation mode.
ULTRA ALARM
Cannot be simulated without opening the equip-
ment.
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Summary of Contents for MONNAL T75
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