Hoffrichter LAVI - Page 71

Chapter 6: Alarms and messages 71
Priority Audible
alarm
Info LED
status
Cause Correction
No sys-
tem flow
HIGH C c c – C c Red
flashing
No leak in the
ventilation sys-
tem
Use an exhalation
valve for the ven-
tilation mask.
Check the air out-
let with a CPAP
mask.

- -
Low leak
rate
HIGH c a f – a f Red
flashing
Leak rate
< 50% than
necessary leak
rate
Check the exhala-
tion valve for the
ventilation mask.
Check the air out-
let with a CPAP
mask.

- -
Motor
speed
low
HIGH C c c – C c Red
flashing
Minimum
motor speed
exceeded
Switch device on
and off. If the
error occurs again,
return the device
for servicing

- -
Stenosis HIGH c a f – a f Red
flashing
No volume
detected for 3
breaths
Check tube circuit
and tubes for wear

- -
Ventila-
tion off
HIGH C c c – C c Red
flashing
Ventilation has
been switched
off due to one
of the following
alarms:
– None
System flow
– Low leak rate
– Motor speed
low
– Overcurrent
– Overpressure
-
- -

Overpres-
sure
HIGH c a f – a f Red
flashing
Pressure switch
triggered five
times within
2s
Restart device. If
the error occurs
again, return the
device for servic-
ing

- -
Overcur-
rent fuse
HIGH c a f – a f Red
flashing
Excessive
motor current
Restart device. If
the error occurs
again, return the
device for servic-
ing

- -