GE iVent 201 Series, User'S Reference Manual

Page: 174 / 290

162
Warning
Set Count or
Time of
Condition
Mode of Failure Priority Probable Cause Criterion for
Clearing Alarm
Corrective Action
Patient Circuit
Failed
10 breath
delay
Insufficient
resistance from
one way valve
High One way valve
has been
removed from
patient circuit or
has deteriorated
(ripped or torn or
missing
membrane)
Substitute one
way valve with
new one
Replace patient
circuit
(disposable) or
replace and/or
service one way
valve (re-useable)
Low Heart
Rate
2 breaths
delay
The heart rate is
below the rate
limit
High Clinical Condition Heart rate
exceeds the
lower alarm
limit for 1
breath
Check the patient
condition.
Low O
2
15 breath
delay
Oxygen
concentration is
below alarm
setting
High (LT) Alarm set too
high
No or low oxygen
flow to system
Calibration
required
High variability in
patient breathing
F
i
O
2
is higher
than alarm
setting for 2
breaths
Check oxygen
supply
Verify delivered
O
2
concentration
with an external
analyzer
Refer unit to
qualified service
technician for
calibration
Decrease alarm
settings
Change from
Adaptive Flow™
to fixed manual
flow
Low O
2
Pressure*
10 seconds
after the
detection of O
2
inlet pressure
below 10 PSI
External oxygen
supply pressure
is low or
disconnected
High (LT) Oxygen supply is
disconnected
Low oxygen
pressure
Nebulizer is
activated without
Oxygen supply.
N/A
Adequate O
2
pressure is
detected
Reconnect or
replace oxygen
supply source
Ensure proper
regulation of
external oxygen
pressure
* While “Low O2 Pressure” alarm condition is active the FiO2 field on the Main screen flashes red
and instead of the set FiO2, the measured FiO2 value is displayed.