Power-On Self Test; Figure 1-1: Npb-190 Front Panel; Figure 1-2: Npb-190 Rear Panel - Nellcor NPB-190 Service Manual

Section 1: Introduction
1.3

POWER-ON SELF TEST

1-2
1
15

Figure 1-1: NPB-190 Front Panel

1. SpO2 Sensor Port
2. Power On/Standby Button
3. AC/Battery Charging Indicator
4. Low Battery Indicator
5. %SpO2 Display
6. Pulse Amplitude Indicator
7. Pulse Beats per Minute Display
8. Alarm Silence Indicator

Figure 1-2: NPB-190 Rear Panel

1. Equipotential Terminal
2. AC Connector
3. Serial Port
When the NPB-190 is turned on it will perform a POST (Power On Self Test).
During POST the following sequence should occur:
•
All indicator lights illuminate
•
All segments of the numeric digits light
•
All segments of the Pulse Amplitude Display light
2 3 4 5 6
14 13
9. Alarm Silence Button
10. Adjust Up Button
11. Adjust Down Button
12. Pulse Search Indicator
13. Upper Alarm Limit Button
14. Lower Alarm Limit Button
15. Speaker
2
1
2X
T 0.50A 250V
CISPR 11
Group 1
Class B
R
IPX1 100-120 V~ 200-240 V~
50/60Hz 20 VA
012 3 NRTL/C
4
5
4. Fuse Drawer
5. Voltage Selector Switch
7 8 9
NPB190
12 11 10
3
NPB-190
TM
SN
NELLCOR PURITAN BENNETT, INC. MADE IN IRELAND
PLEASANTON, CA 94588, U.S.A.
NELLCOR PURITAN BENNETT EUROPE BV,
's-HERTOGENBOSCH, THE NETHERLANDS
036400-1098
U.S. PATENTS:
4,621,643; 4,653,498;
4,700,708; 4,770,179;
4,869,254; Re. 35,122;
4,928,692; 4,934,372;
5,078,136