Section 5 - Operation
AV2+ Anesthesia Ventilator
Problem Resolution
PPRROOBBLLEEMM PPOOSSSSIIBBLLEECCAAUUSSEE RREEMMEEDDYY
Excessive PEEP Improperly adjusted
ventilator relief valve
Contact NAD
qualified technical
service representative.
Insufficient suction
scavenger flow setting
Increase suction
scavenger flow valve.
PEEP valve active Decrease PEEP valve
setting.
Inverse I:E ratios Reset ratios.
Excessive NEEP Excessive suction
scavenger flow
Reduce suction
scavenger flow rate.
Bellows won’t reach
tidal volume stop
setting during
expiration
Frequency too high for
selected tidal volume
Decrease frequency.
Increase expiratory
phase time.
Improperly adjusted
ventilator relief valve
Contact NAD
qualified technical
service representative.
Breathing system leak Repair leak.
Ventilator won’t
cycle
Low oxygen supply
pressure
Provide sufficient
oxygen supply
pressure.
Moving manual/
automatic selector
valve lever to AUTO
position does not
activate ventilator.
SYSTEM POWER
switchisinSTANDBY
position
Turn SYSTEM
POWER switch to ON.
Interface cable is not
connected
Connect interface
cable.
5-8-6
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