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10. Trouble shooting
Please contact the manufacturer if a problem cannot be rectified.
For the safety of the patient and the Health care providers DO NOT
continue using the ventilator.
Message/
fault
Low Paw
High Paw
Battery
discharges
quickly
e500 cannot be
switched on
52
WARNING
Cause
Leaking mask, ETT,
disconnected patient circuit
Low Airway Pressure
High Airway Pressure
Apnea, spontaneous breathing
failed or disconnection, faulty
sensor
No Oxygen ≤ 20 PSI
Low Oxygen(40-21 PSI)
Leakage, measured expiratory
volume is 40% lower than set.
Invalid setting
No proper charging/Faulty
battery
Battery empty/no power supply
connected/defective
Remedy
Make sure mask fits / all patient circuit
parts are properly connected./change
patient circuit
Replace hose, check tube position,
check ventilation settings and correct
Check patient, ventilation circuit,
check tube position, adjust Pmax
alarm value
Switch to Assist Control ventilation,
ensure connections tight, Replace
patient circuit
Change Oxygen cylinder
Change Oxygen cylinder
Check leakage in breathing system.
Resolve parameters conflict by
resetting out of range parameters
Charge Battery as per instructions/
Replace battery
Change Battery/connect power
supply/ send to O-Two for repair or
service
e500 User Manual
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