Performance Verification Procedure; Initialization Screen; Self-Test Screen - Nellcor NPB-75 Service Manual

Section 10: Performance Verification
10.2

PERFORMANCE VERIFICATION PROCEDURE

10-2
8. If the reading drops more than 20 mBar, there is a leak in the flow
system.
• Open the unit.
• Check for loose fittings and if any are found, reconnect
them.
• Repeat the above process (steps 1-7).
• If the reading continues to show more than 20 mBar, replace
the Flow System, refer to section 7.6 "Replacing the Flow
System".
Verify the performance of the monitor using the following procedure.
1. Connect the monitor to mains line power using the AC adapter.
2. Connect the FilterLine and the DS-100A - Durasensor
monitor.
3. Turn ON the monitor.
4. The Initialization screen appears. (Refer t
Figure 10-2: Initialization Screen.)
5. Verify that an audio tone sounds. This
verifies proper operation of the alarm
interfacing. Check that the LEDs on the
alarm bar turn red, yellow and then off. The
LED display shows 8s moving from left to
right.
6. As the monitor continues to test its internal
subsystems, the Self-Test screen appears.
(Refer to Figure 10-3: Self-Test Screen.).
7. After the Self-Test, the monitor
automatically goes to Measuring
Mode. The message CO
Warmup appears on the Silent
Advisory Message area. (Refer to
Figure 10-4: Measuring Mode.)
8. After CO Warmup, verify that
2
the message changes to Ready.
Note: If BTPS is on, the message will read BTPS ON-Ready
9. Disconnect the FilterLine and verify that the message FilterLine
is displayed on the Silent Advisory Message area and verify that
the pump stops.
2
Figure 10-4: Measuring
®
to the
Figure 10-2:

Initialization Screen

Figure 10-3: Self-
Test Screen
Mode