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5 Troubleshooting
Message
Alarm type/
Priority
O
sensor
User Alarm
2
out of circ
On Battery -
User Alarm
Power OK?
Patient
User Alarm
Circuit Leak?
Paw < -10
high
cm H
O
(5)
2
PEEP Not
low
Achieved
5-18
Enabling Criteria
Alarm Condition
Removal Criteria
No breathing circuit
module installed.
The mains supply is not
Ventilate manually to
connected or has failed
save power. At full
and the system is using
charge, the battery
battery power.
permits approx. 30 min
of mechanical
ventilation.
Exhaled volume <50%
of inspired volume for at
least 30 seconds
(mechanical
ventilation).
In-range Paw data
Paw < -10 cm H
available
Alarm condition becomes false.
In-range Paw data
Pmin does not reach
available
within 2
PEEP by end of
mechanical expiration
for 6 breaths in a row.
Alarm condition becomes false or any control
setting changed (except Plimit) or mechanical
ventilation transition on to off.
Service Repair
Install a breathing circuit module and an O
sensor.
Make sure power is connected and circuit
breaker is closed. Check ventilator fuse.
Check breathing circuit and flow sensor
connections.
O
Check the breathing circuit.
2
Perform flow sensor calibration (10).
Check SIB to CPU cabling.
Replace the SIB board.
Replace the CPU board.
Check settings for not enough expiration time.
cm H
O
of
Check the breathing circuit.
2
Occlusions
Check scavenging
Check ventilator output with PEEP off
Perform flow sensor calibration.
Check that the patient airway pressure display
matches the airway pressure gage. If they
match, the problem may be pneumatic,
(supply pressure, regulator, inlet or flow valve,
etc.).
Check SIB to CPU cabling.
Replace the SIB board.
Replace the CPU board.
2
05/04 1006-0453-000
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