Message Priority Cause Action
EtSev high Medium EtSev is greater than alarm limit. The
alarm priority escalates to High if the
alarm is not resolved after 2 minutes.
Set the alarm limits appropriately.
Check agent setting.
EtSev low Low EtSev is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
FiCO2 high.
Absorbent OK?
High FiCO2 is greater than alarm limit. Check if absorbent needs to be
changed.
FiDes high Medium FiDes is greater than alarm limit. The
alarm priority escalates to High if the
alarm is not resolved after 2 minutes.
Set the alarm limits appropriately.
Check agent setting.
FiDes low Low FiDes is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
FiEnf high Medium FiEnf is greater than alarm limit. The
alarm priority escalates to High if the
alarm is not resolved after 2 minutes
Set the alarm limits appropriately.
Check agent setting.
FiEnf low Low FiEnf is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
FiHal high Medium FiHal is greater than alarm limit. The
alarm priority escalates to High if the
alarm is not resolved after 2 minutes
Set the alarm limits appropriately.
Check agent setting.
FiHal low Low FiHal is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
FiIso high Medium FiIso is greater than alarm limit. The
alarm priority escalates to High if the
alarm is not resolved after 2 minutes
Set the alarm limits appropriately.
Check agent setting.
FiIso low Low FiIso is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
FiO2 high Medium FiO2 is greater than high alarm limit. Check the O2 setting. Recalibrate the
O2 cell and the airway module.
FiO2 low High FiO2 is less than low alarm limit. Check O2 setting. Check for leaks or
blockages in the patient circuit.
FiSev high Medium FiSev is greater than alarm limit. The
alarm priority escalates to High if the
alarm is not resolved after 2 minutes
Set the alarm limits appropriately.
Check agent setting.
FiSev low Low FiSev is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
For mech vent,
set Bag/Vent
switch
Low Bag/Vent switch is set to Bag and the
ACGO switch is set to Circle.
Move switch to Vent position to start
mechanical ventilation.
Gas monitoring
not available
Medium Airway module hardware failure. Replace airway module. Then, turn
power off and back on between cases
to clear the alarm and receive module
data.
Aisys CS²
7-8 2067226-001