192 Instructions for use | Atlan A300, A300 XL, A350, A350 XL SW 1.0n
Troubleshooting
WARNING
Risk of patient injury
If all power sources fail, the screen goes dark and mechanical ventilation ends.
► Ventilate the patient manually.
Further procedures:
1. Check the vaporizer setting.
2. Electronically controlled gas mixer:
Use emergency O
2 delivery, see page 37
Mechanically controlled gas mixer:
Close the flow control valves for Air and N
2O. Use only O2 as fresh gas.
3. Electronically controlled gas mixer:
Monitor the O
2 flow with the O2 flowmeter.
Mechanically controlled gas mixer:
Monitor the O
2 flow on the total flow tube.
4. Ventilate the patient manually.
5. Ensure corresponding substitute monitoring.
12.2.3 After power supply is restored
1. Restart the device, see page 86.
2. Charge the discharged battery for at least 8 hours.
3. Check the displays for mains power supply and battery on the status display.
12.3 Failure of the gas supply
A failure of the central supply can result in simultaneous device malfunctions on all
systems connected to it.
The device generates alarms if the gas supply for the gases O
2, Air, or N2O fail.
The alarm for N2O is only generated if N2O is configured accordingly.
► Open the corresponding gas cylinder valve.
► Re-establish the central supply.
The following applies only for the electronically controlled gas mixer:
If the central supply for a gas fails and there is no sufficiently filled gas cylinder
connected (see "Gas mixing unit", page 29), the device automatically uses a
substitute gas:
The level of the fresh-gas flow is maintained.
Failed gas Substitute gas
O
2 100 % Air
N
2O100% O2
Air 100 % O2
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