Troubleshooting
Instructions for Use Apollo SW 4.5n 261
Part Number: 9053586, 3rd edition
In case of O2 failure, the SORC prevents hypoxic gas
mixtures. Oxygen must be restored immediately.
Figure 176. Cylinder Locations
If the pipeline gas supply for O2 and Air fails, and
there is no cylinder backup supply for the failed gas,
operation of the ventilator is still possible in automatic
ventilation modes as the electrically driven piston
ventilator does not need drive gas for operation.
Disconnecting the breathing bag from the breathing
bag arm enables the entrainment of ambient air, thus
substituting the failed fresh gas.
1. Disconnect breathing bag from breathing bag
arm.
2. Continue ventilation using an automatic
ventilation mode.
The failure of the pipeline gas supply may lead to the
failure of connected devices.
WARNING!
Risk of patient awareness
If a complete gas supply failure occurs, further
operation may continue by supplying the
anesthesia machine with ambient air.
Anesthetic agents will no longer be delivered
and the inspiratory gas composition will be
diluted thereby raising the issue of patient
awareness.
Therefore carefully monitor the gas mixture
and, if necessary, use IV anesthetics.
WARNING!
Risk of gas supply contamination
When the central gas supply is connected, the
smallest internal leakage can cause
contamination of the supply gases.
Disconnect the compressed gas hoses from the
terminal unit if the central gas supply fails
during operation.
CAUTION!
Risk of increased ambient gas concentrations
If the breathing bag is not attached, expiratory
anesthetic agents can escape from the breathing
system.
Make sure the breathing bag is attached and
ensure sufficient ambient air circulation.
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