Problem solving
98 Instructions for use Carina SW 3.2n
Alarm message Internal
priority
number
Cause Remedy
Airway pressure high !!! 200 The overpressure alarm may
be triggered by sustained
coughing.
Confirm the alarm message by
pressing the rotary knob.
Check patient condition, check
breathing pattern, correct
alarm limit if necessary.
Airway pressure low !!! 202 This fault is only reported af-
ter the defined time Tdiscon.
A connection is disconnected
in the breathing circuit. Venti-
lation is not possible.
Restore correct seating of
mask, hoses, filters, and other
components.
Apnea !!! 207 No spontaneous breathing by
patient
Check the patient’s condition.
Use controlled ventilation, if re-
quired.
Stenosis Check tube. Check the breath-
ing circuit.
Apnea Ventilation ! 456 The device has detected a
respiratory arrest in the SPN-
CPAP/PS or SPN-CPAP
mode and is applying con-
trolled apnea ventilation ac-
cording to the settings until
spontaneous breathing re-
starts.
Apply controlled ventilation or
extend apnea alarm time Tapn.
Auto reset !!!
(Auto reset !!!)
5 to 60 Internal system malfunction The device restarts. Ventilation
is continued. After 3 attempts
the device stops ventilation.
Disconnect the patient from
the device and immediately re-
sume ventilation using an-
other, independent ventilator.
Inform DrägerService.
AutoAdapt active ! 507 AutoAdapt function is active. If it is not required, switch off
the function. Otherwise wait for
the Tadpt time.
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