Chapter 4
4-4
BiPAP Focus Ventilator Service Manual © Respironics, Inc.
REF 1029568 Rev B
Periodic Maintenance
4.4.2
Battery Charging
The nickel metal hydride (NiMH) internal battery automatically charges when
the ventilator is connected to AC power only if the power switch is in the
ON (I)
position. The
ON AC Power
LED lights to indicate that AC power is connected
and the
Battery Charging
LED lights to indicate that the charging cycle is in
progress. The battery is fully charged when the
Battery Charging
LED turns off.
The charging cycle operates in Normal and Standby mode. Battery charge time
is typically less than 5 hours, but can be longer depending on ambient
temperature.
It is important to maintain a fully charged internal battery in case of a power
outage. Recharge the battery if the ventilator has been in storage. An unused,
fully-charged battery depletes within 3 months if the power switch is
OFF (O)
,
and within 2 weeks if the power switch is
ON (I)
.
CAUTION:
