Mallinckrodt NELLCOR NPB-4000, Service Manual

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Section 3: Performance Verification
3-2
3.3 PERFORMANCE TESTS
The battery charge and battery performance test should be performed before
monitor repairs whenever the battery is suspected as being a source of the
problems. All other tests may be used following repairs or during routine
maintenance (if required by your local institution. Before performing the battery
performance test, ensure that the battery is fully charged (Paragraph 3.3.1).
This section is written using Nellcor factory-set power-up defaults. If your
institution has preconfigured custom defaults, those values will be displayed.
3.3.1 Battery Charge
Perform the following procedure to fully charge the battery.
1. Connect monitor to AC power source using proper power cord.
2. Verify BATTERY CHARGING/AC SOURCE indicator is lit.
3. Charge battery for at least 8 hours.
Note: The battery may require a complete charge/discharge cycle to restore its
normal capacity, depending on its previous usage.
4. The only way to check for a full charge is to perform the procedure in
paragraph 3.3.2 “Battery Performance Test.”
3.3.2 Battery Performance Test
1. The NPB-4000 monitor is specified to typically operate on battery power a
minimum of 4 hours, at 25° C, with no printing, and one NIBP measurement
every 15 minutes. The NPB-4000/C monitor is specified to typically operate
on battery power a minimum of 3 hours, at 25° C, with no printing, and one
NIBP measurement every 15 minutes. Before performing this test, ensure
that the battery is fully charged (paragraph 3.3.1).
2. Connect Nellcor SRC-2 pulse oximeter tester to monitor viaEC-8 sensor cable.
3. Connect NIBP simulator to monitor via SHBP-10 hose.
4. Set SRC-2 switches as follows:
SWITCH POSITION
RATE 38
LIGHT LOW
MODULATION LOW
RCAL/MODE RCAL 63/LOC