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Table 4: Technical alarms (not an exhaustive list)
Change Circuit
The connected circuit is
different from the one for
which the device is
configured.
Connect the correct
circuit.
Prox. P. Lost
The pressure line is
disconnected (see Figure
9 on page 10).
Reconnect the pressure
line.
Low Pressure
This alarm also indicates
a wrongly connected or
disconnected patient
circuit.
Reconnect the patient
circuit.
High Pressure
A component in your
respiratory circuit is
blocked.
Clean, empty or replace
the components of your
respiratory circuit.
Contact your HME
provider if this alarm
persists.
Low Vti or Low Vte
Low inspired volume or
low expired volume.
Check your circuit.
High Vti High inspired volume. Check your circuit and
make sure there are no
leaks.
Alarm name Cause Solution
Tech [n] Technical alarm. The
alarm number indicates
the type of incident.
Contact your HME
provider and give the
number of the alarm.
Turbine Alarm indicating that the
turbine has stopped.
Contact your HME
provider.
Temp Out Of
Range
The temperature of the
internal battery is too
high or too low.
Contact your HME
provider.
Check Date&Time
The charge level of the
backup battery (internal
clock memory) is low.
Connect the device to
the mains power supply
without delay and check
the date and time.
Alarm name Cause Solution