Chapter 2
Warnings and Cautions
REF 1029568 Rev B BiPAP Focus Ventilator Service Manual © Respironics, Inc. 2-3
2.2 Cautions • Federal law (US) restricts this device to sale by, or on the order of,
a physician.
• Failure to replace a dirty filter may cause the device to operate at
higher than normal temperatures and damage the device.
• Use only Respironics-approved filters.
• Use only Respironics-approved batteries.
• The gray reusable air inlet filter must be completely dry before
use. Never place a wet filter into the device.
• Never install more than one gray reusable air inlet filter into the
ventilator. The ventilator is designed to accommodate one gray
reusable air inlet filter and one white disposable ultra-fine filter.
• During battery charging, disconnecting AC mains power before
charging completes may result in a Battery Depleted or Missing
alarm. If a Battery Depleted or Missing alarm occurs, connect AC
power immediately to avoid total loss of power.
• To prevent the premature depletion and reduced life expectancy of
the battery, store the ventilator with AC power connected and the
ON/OFF switch in the ON (I) position. When the ventilator is
stored disconnected from AC power with the power ON/OFF switch
ON ( I ) and in standby, the battery may become depleted within
two weeks. When the ventilator is stored with the ON/OFF switch
in the OFF (O) position, the battery typically becomes depleted in
three months.
If a 343 error code is displayed, remove the battery and charge it
using the BiPAP Focus battery charging cable (P/N 1040421).
This cable provides the initial charge required so that the
ventilator can recharge a depleted battery. Refer to the battery
charge instructions supplied with the cable.
• Replace any filter that is damaged.
• Do not attempt to clean or reuse disposable air inlet filters.
• Electronic components used in this device are subject to damage
from static electricity. Perform repairs only in an antistatic,
electrostatic discharge (ESD)-protected environment.
• Avoid exposing the ventilator to extreme environmental conditions.
Allow the ventilator to return to room temperature before
operation.
• Never place liquids on or near the BiPAP Focus.
• The information in this manual is provided for service personnel
reference.
• Do not pull or crimp cables, tubes, or wires.
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