
inflate completely
expiratory time is too short.
reasonable value
The breathing system leaks
Carry out a system leak test
Flowmeter is closed
Reset the flowmeter
During the in-
spiratory phase, the
bellows is not
compressed
Bag/vent switch is still in the bag
position.
Turn the Bag/vent switch to vent
Flow control valve has failed; no drive
gas is delivered.
Contact a service engineer
Bellows housing is damaged
Replace the bellows housing
During inhalation, the PEEP valve cannot
be closed.
Contact a service engineer
Manual breathing
airway pressure is
too high
APL valve is set too high.
Reset the APL valve.
Power indicator is
not lit
Power cord is not connected
System and ventilator switch is not
turned on
Power cord is damaged
Mains power outlet is faulty
Fuse has blown.
Connect the power cord.
Turn the switch to On
Replace the power cord.
Switch to another power outlet.
Contact a service engineer
No power at aux-
iliary outlet
Fuse has blown.
Contact a service engineer
Replace the fuse
No airway pressure
waveform
There is a disconnect between the
pressure sensor and the sample tube, or
Gas source is exhausted.
Reconnect. Check the gas
supply