Instructions for use | Atlan A100 (XL), A300 (XL), A350 (XL) SW 2.1n 237
Troubleshooting
12.5 Failure of the piston ventilator
If the ventilator fails, only manual ventilation or spontaneous breathing remain
possible. No other ventilation modes can be selected. The fresh-gas delivery
remains ready for operation.
1. Switch to Man / Spon ventilation mode.
2. Ventilate the patient manually.
12.6 Failure of the O2 sensor
If the O2 measurement not available alarm is displayed, the O2 measurement has
failed.
WARNING
Risk due to faulty O2 sensor
If the O
2 measurement fails, it will no longer be possible to monitor the patient
adequately.
► Make sure that substitute O
2 monitoring conforming to the general safety
requirements is available.
1. Perform a system test and calibrate the O
2 sensor.
2. If the calibration fails and the O
2 sensor failure alarm is displayed, refer to the
following table:
Cause Remedy
During the calibration, the sensor was
exposed to a gas mixture with a fluctu-
ating O
2 concentration.
The O
2 sensor was not correctly
placed.
The O
2 sensor was placed close to
mobile radio equipment or similar
sources.
During calibration:
– Remove the sensor from the breath-
ing system and place it on the work
surface.
– Do not fill vaporizers during the cali-
bration.
– Close the additional O
2 flow delivery
for the fresh gas mixer.
– Do not blow into the sensor.
– Do not use any disinfectants.
– Close off other gas sources in the
vicinity of the sensor.
The O
2 sensor cell is not present or is
not plugged in correctly.
Check the O2 sensor cell:
– Insert the sensor cell if it is not pres-
ent.
– Check that the sensor cell is cor-
rectly seated.
– Calibrate the sensor cell again.
An initialization phase of up to
30 minutes is required after a new
O
2 sensor cell is inserted. Only then
is O
2 measurement and calibration
possible once more.
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