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11.2 System alarms
Message
CO
occlusion
2
CO
module defective low priority
2
below CO
2
temperature range
Vt not achievable
Check BiCheck
Flow module
defective
Supply pressure
< 2.7 bar
Supply pressure
> 6 bar
Alarm
Suction filter or CO
medium priority
measuring hose blocked
CO
no communication or
no plausible data
CO
module not
2
ready for
Temperature in the unit
operation
below 0°C
low priority
Implausible settings
(respiratory rate, tidal
low priority
volume I:E)
Gas supply inadequate
BiCheck flow sensor
defective or
disconnected
medium priority
BiCheck flow sensor
connection line
defective or
disconnected
BiCheck module
medium priority
defective
Oxygen cylinder not
opened/almost empty
Compressed gas source
not correctly connected
Compressed gas source
high priority
defective
Compressed gas tube
kinked or squashed
Pressure reducer
defective
Pressure of respiratory
high priority
gas too high
Cause
2
module defective,
2
Rectification
Change suction filter on
measurement hose system or
replace complete measurement
hose system
Continue ventilation without CO
measurement; have unit repaired
as quickly as possible.
Continue ventilation without CO
measurement
Provide adequate gas supply,
adjust ventilation parameters
Connect BiCheck flow sensor or
use fully functional flow sensor.
Connect BiCheck flow sensor
connection line correctly or use
fully functional sensor lead.
Have unit repaired
Open/replace oxygen cylinder.
Check connection and feed lines
of compressed gas source.
Replace compressed gas source
Route compressed gas tube so
that it is not kinked or squashed.
Replace pressure reducer
Use 6 bar compressed gas source
< or switch unit off and
disconnect.
Troubleshooting
2
2
EN
125
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