236 Instructions for use | Atlan A100 (XL), A300 (XL), A350 (XL) SW 2.1n
Troubleshooting
12.4 Failure of fresh-gas delivery (electronically controlled
gas mixture)
If the fresh-gas delivery has failed, the emergency O2 delivery can be used to
deliver oxygen and anesthetic agent. The current ventilation mode and the fresh-
gas deficiency detection remain active.
In the event of a fault, illustrations and instructions showing how to start the
emergency O
2 delivery are displayed in areas (1) and (2).
The emergency O
2 delivery is started as follows:
WARNING
Risk of patient injury
If the gas mixer fails, no fresh gas is delivered.
► Check the vaporizer setting.
► Supply the patient with O
2.
► Use the emergency O
2 delivery.
► If fresh gas still is not delivered or manual ventilation is not possible, close the
flow control valve of the O
2 flowmeter.
► Disconnect the patient from the device. Use a substitute device.
1. Set the O
2 switch upwards to the Add. O2 position. (Follow the illustration on the
screen.)
The Internal FG flow failure alarm will then be automatically downgraded.
2. Open the flow control valve on the O
2 flowmeter. Set the desired flow. This O2
flow flows through the vaporizer.
3. Check the vaporizer setting.
4. Continuously monitor the O
2 flow of the emergency delivery.
Take the following measures if necessary:
● Perform the ventilation with ambient air. For further information see: "Complete
failure of the gas supply", page 235.
● Ventilate the patient with the manual resuscitator.
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