Failure/Message
FLAT BATTERY
PEEP > 20 cmH
O
2
ONE BUZZER OUT OF
SERVICE
CHECK SENSOR
DISCONNECTION
CLOCK BATTERY OUT
OF SERVICE
CALIBRATION
PROBLEM
BUZZERS OUT OF
SERVICE
Start-up problem
Minute ventilation less than
the set minute ventilation
LED is flashing
IV. 3. Operating incidents
OBSERVATIONS
No ventilation
Start-up problem
No start-up with audible and
visual signal
Ventilation still insufficient
Pmin
• The battery LED is flashing
• The Pmin alarm is permanently
triggered
* The fault is signaled by the PMINI alarm
14
Audible
signal
Intermittent
Flat battery
Intermittent
Expiratory valve incompatible with the
respirator
Patient valve outlet obstructed
Intermittent
One of the two buzzers is damaged
Intermittent
1 or 2 pressure sensors damaged
Intermittent
The patient has been disconnected
Incorrect connection of one of
the elements of the patient circuit
NO
Lithium battery nearly flat
Intermittent
Calibration failure during ventilation
NO
Damaged buzzers
Flat battery
Unit failure
Ambient air inlet obstructed
Battery missing or out of service
PROBABLE CAUSES
• Patient disconnected *
• Leak in the patient circuit *
• Control pipe clamped *
• No oxygen supply *
• Mode selector in Off position
• Microprocessor board battery out of
service
• Device fault
• Battery flat
• Ambient air inlet obstructed
• Leak in patient circuit *
• Battery failure if the device is used with
internal batteries
• Pmin incorrectly set
YL024400 - V 2.1 - 10/2012
Probable cause
Ventilation can continue but the unit
may shut down at any time. Switch
immediately to the electrical power
supply or install a charged battery.
Ensure that the expiratory valve used
is compatible with OSIRIS (ask us)
Check that nothing is hindering the
patient's expiration
Contact the technical department
Contact the technical department
Reconnect the patient
Ensure that the connections are
leaktight
Ventilation continues.
Risk of incorrect event dating in
black box.
Contact the technical department
Ventilation continues with the
default parameters.
Contact the technical department
Ventilation continues without audible
alarm
Contact the technical department
Connect to the electrical power
supply or install a charged battery
Contact the technical department
Release the ambient air inlet
Replace the foam filter
Install a new battery
• Check the seal of the mask or probe
• Check the patient circuit
• Check the control tube
• (its fitting, wear and tear, etc.)
• Check the connections and the oxygen
source
• Switch the mode selector to one of the 3
operating positions
• Contact A.S.D
• Contact A.S.D
• Change the battery or recharge it.
• Clear the air inlet
• Replace the foam filter
• Check the patient circuit
• Charge the batteries, change them if they
are defective
• Reset the Pmin threshold
EN
Proposed corrective action
CORRECTIVE ACTION