Covidien Nellcor GR101704, Service Manual

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Modification and Testing
10-10 Service Manual
10.5
Battery Check
Replace batteries every 24 months or when battery charging rapidly depletes.
10.5.1
Battery Power
To check battery power
1.
Disconnect the monitoring system from AC power.
2.
Verify the AC Power indicator is not lit.
3.
Connect the monitoring system to an AC power source.
4.
Verify the AC Power indicator is lit.
5.
If the Low Battery indicator is also lit, leave the monitoring system connected to
an AC power source to charge the battery.
10.5.2
Battery Charge
Ensure the battery is fully charged by inspecting the Battery Fuel Gauge Indica-
tor, which should be completely full, and check the Low Battery Indicator, which
should be off. If the fuel gauge is not completely full, or if the Low Battery Indi-
cator is lit, charge the battery by connecting it to AC power. Reference
Connec-
tion to an AC Power Source , p. 5-3. Reference Battery Power Usage , p. 5-6.

Note:
The battery charge procedure should be performed before monitoring system repairs
when possible.
To check battery charge
1.
Connect the monitoring system to an AC power source.
2.
Verify the AC Power indicator is lit.
3.
Allow a complete charge of the monitoring system.
4.
Turn on the monitoring system by pressing the POWER ON key.
5.
After POST completes, examine the battery fuel gauge for the percentage of
charge.