Prima 320 Advance
81
User Manual
Maintenance
7.12 Fault Diagnosis and Troubleshooting
Fault
Cause
Action
Ventilation system leak
APL is not closed during manual mode
Turn the APL valve to the appropriate
position
Absorber canister is not installed correctly
Reinstall
Damaged or loose breathing tube connector
Refit or renew the breathing tube
Check valve is not installed correctly
Reinstall
Manual / mechanical ventilation switch failure Contact a Penlon-trained engineer
Bellows does not inflate completely The respiratory rate is set too fast and
expiratory time is too short.
Set respiratory rate to a reasonable
value
The breathing system leaks
Carry out a system leak test
Flowmeter is closed
Reset the flowmeter
During the inspiratory phase, the
bellows is not compressed
Manual / mechanical ventilation switch is still
in the manual position.
Turn the switch to mechanical ventilation
Flow control valve has failed; no drive gas is
delivered.
Contact a Penlon-trained engineer
Bellows housing is damaged
Replace the bellows housing
During inhalation, the PEEP valve cannot be
closed.
Contact a Penlon-trained 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
Connect the power cord.
System and ventilator switch is not turned on
Turn the switch to On
Power cord is damaged
Replace the power cord.
Contact a trained engineer
Mains power outlet is faulty
Switch to another power outlet.
Contact a trained engineer
Fuse has blown
Contact a trained engineer. Diagnose the
fault and fit a new fuse.
No power at auxiliary outlet
Fuse has blown
Contact a trained engineer. Diagnose the
fault and fit a new 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
