Message Priority Cause Action
Cooling fans
failed. May
overheat.
Medium Fan reporting error. May also be
caused by a display unit or CPU
temperature sensor reporting error.
Shut down system as soon as possible.
Then, check cooling fans and filters.
Display panel
controls failure
Medium Communication lost between panel
and key pad.
Turn the system off and back on.
EtCO2 high High EtCO2 is greater than high alarm limit. Check the patient and EtCO2 settings.
Check if absorbent needs to be
changed.
Check TV settings.
EtCO2 low Medium EtCO2 is less than alarm limit. Ensure that patient is properly
intubated. Check for leaks or blockages
in the patient circuit.
Check TV settings.
EtDes high Medium EtDes 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.
EtDes low Low EtDes is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
EtEnf high Medium EtEnf 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.
EtEnf low Low EtEnf is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
EtHal high Medium EtHal 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.
EtHal low Low EtHal is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
EtIso high Medium EtIso 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.
EtIso low Low EtIso is less than alarm limit. Check the fill level of the vaporizers. Set
alarm limit appropriately. Check agent
setting.
EtO2 high Medium EtO2 is greater than the high alarm
limit.
Check the O2 concentration.
EtO2 low Medium EtO2 is less than the low alarm limit. Check the O2 concentration.
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.
7 Alarms and troubleshooting
2076152-001 7-7
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