132 EN MEDUVENT Standard
WM 67851 01/2021
11 Alarms and faults
11.1 Alarm messages
11.1.1 High-priority alarms (red)
Alarm Cause Remedy
Airway pressure high q
Obstruction of the patient's
airways
Clear the patient's airways.
Tracheal tube incorrectly
positioned
Position tracheal tube correctly.
pMax set too low Adjust pMax.
Tubes kinked or trapped
Route tubes so that they are not
kinked or trapped.
Airway pressure low r
Breathing circuit leaking Replace breathing circuit.
Breathing circuit not correctly
connected
Connect breathing circuit
correctly.
Tracheal tube incorrectly
positioned
Position tracheal tube correctly.
Tubes kinked or trapped
Route tubes so that they are not
kinked or trapped.
Ventilation settings incorrect
Adapt the ventilation settings to
the patient.
Mask not positioned correctly or
leaking
Ensure mask seals properly or
replace it.
Apnea
Patient is not breathing
spontaneously
Check the patient's condition.
Select mandatory ventilation
mode.
Battery empty
Rechargeable battery state of
charge low
Connect device to line power
and charge rechargeable battery.
Keep alternative means of
ventilation at the ready.
Check breathing circuit
Tubes incorrectly connected,
kinked or defective
Check breathing circuit.
Hygiene filter blocked Check and replace hygiene filter.
Device temperature high q Device temperature > 70 °C
Operate device within permitted
temperature range (see
“16 Technical data”, page 157).
Device temperature low r Device temperature < -20 °C
Operate device within permitted
temperature range (see
“16 Technical data”, page 157).