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GENERAL WARNINGS AND CAUTIONS
A warning alerts you to possible injury.
• Read the entire guide before using the S8 Series II device.
• The advice in this guide should not supersede instructions given by the prescribing
physician.
• A patient should not connect a device to the data communication port unless
instructed to do so by their health care provider or physician. Only ResMed
products are designed to be connected to the data communication port.
Connecting other devices could result in injury, or damage to the S8 Series II
device.
• The S8 Series II device should be used with masks (and connectors)
*
recommended by ResMed, or by a physician or respiratory therapist. A mask should
not be used unless the S8 Series II device is turned on and operating properly. The
vent hole or holes associated with the mask should never be blocked.
Explanation: The S8 Series II device is intended to be used with special masks (or
connectors)* which have vent holes to allow continuous flow of air out of the mask.
When the device is turned on and functioning properly, new air from the device
flushes the exhaled air out through the mask vent holes. However, when the device
is not operating, insufficient fresh air will be provided through the mask, and the
exhaled air may be rebreathed. Rebreathing of exhaled air for longer than several
minutes can, in some circumstances, lead to suffocation. This applies to most
models of CPAP devices.
• In the event of power failure or machine malfunction, remove the mask.
• The S8 Series II device can be set to deliver pressures up to 20 cm H
2
O. In the
unlikely event of certain fault conditions, pressures up to 30 cm H
2
O are possible.
• If oxygen is used with this device, the oxygen flow must be turned off when the
device is not operating. If oxygen has been left on, turn off the device, then wait
30 minutes before turning on the device.
Explanation: When the CPAP device is not in operation and the oxygen flow is left
on, oxygen delivered into the air delivery tubing may accumulate within the CPAP
machine enclosure and create a risk of fire. This applies to most types of CPAP
machines.
• Oxygen supports combustion. Oxygen should not be used while you are smoking
or in the presence of an open flame.
• Always ensure airflow is being generated by the device before the oxygen supply is
turned on.
• Always turn the oxygen supply off before stopping the airflow from the device
Note: At a fixed rate of supplemental oxygen flow, the inhaled oxygen concentration
varies, depending on where the oxygen is introduced, the pressure settings, patient
breathing pattern, mask selection and leak rate.
• Explosion hazard – do not use in the vicinity of flammable anesthetics.
• Do not open the S8 Series II case. There are no user serviceable parts inside.
Repairs and internal servicing should only be performed by an authorized service
agent.
* Ports may be incorporated into the mask or in connectors that are near the mask.