Heyer Modular+ - Page 45

Maintenance and Calibration
45
Display message Cause Corrective action User
Corrective action
Service technician
10 min. remaining
AVM3-1 Battery mode
10 minutes of battery use left
Restore the line supply 1. Charge the battery
2. Check the capacity of the
battery, if necessary, exchange
it.
5 min. remaining
AVM3-1 Battery mode
5 minutes of battery use left
Restore the line supply 1. Charge the battery
2. Check the capacity of the
battery, if necessary, exchange
it.
Unable to attain target
pressure, Adjust flow or
I:E ratio
AVM3-2 PCV
The peak pressure PPEAK is
lower than the set volume
Increase driving gas flow or
lower the plateau
Check the system for leakages
PCV Setting not valid
AVM3-2 PCV
Bellow monitor active.
additional volume delivery is not
possible
Reduce ventilation frequency or
increase “I”
Expiratory time too short
AVM3-2 PCV
The calculated expiratory time
is greater than 1 second (Adult)
resp. 0.5 second (Child)
Reduce ventilation frequency or
increase “E”
Resume Ventilation
AVM3-1
Message to restart the
ventilation
Restart the ventilation
Compliance Test
bypassed
The system is started without
having performed the
compliance test
Perform the compliance test