Nellcor OxiMax N-550 - Service Manual

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N-550

Pulse Oximeter

Service Manual

/min

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/min

SpO2

N-550

SatSeconds

SpO2

Main Page

Table of Contents3
Introduction11
Warnings11
Cautions11
Notes11
Manual Overview12
Description of N-550 Pulse Oximeter12
Figure 1: N-550 Front Panel13
Figure 2: N-550 Rear Panel13
Related Documents14
Routine Maintenance15
Cleaning15
Periodic Safety Checks15
Functional Checks15
Battery16
Performance Verification17
Introduction17
Equipment Needed17
Table 1: Equipment Needed17
Performance Tests18
Battery Charge18
Power-Up Performance18
Power-On Self-Test (POST)19
Figure 3: N-550 Controls19
Power-On Defaults and Alarm Limit Ranges22
Figure 4: Adjusting High %Spo2 Alarm Limit22
Figure 5: Adjusting Low %Spo2 Alarm Limit23
Figure 6: Adjusting High Pulse Rate Alarm Limit24
Figure 7: Adjusting Low Pulse Rate Alarm Limit24
Figure 8: Adjusting Satseconds Alarm Limit25
General Operation26
LED Excitation Test26
Operation with a Live Subject27
Alarm Volume Control28
Pulse Tone Volume Control29
Pulse Oximetry Functional Tests29
Introduction30
Initial Setup31
Test #1: BPM32
Test #2: Spo233
Test #3: Modulation Level34
Test #4: Light35
Safety Tests37
Audible Alarm Settings and Service Functions39
Introduction39
Audible Alarm Settings39
Alarm Silence State39
Figure 9: N-550 Controls39
Alarm Silence Duration40
Alarm Volume40
N-550 Menu40
Table 2: N-550 Menu Selections40
Operator's Menu Options42
Figure 10: Year Month Display46
Figure 11: Day Hour Display46
Figure 12: Minute Second Display47
Table 3: Institutional Default Values47
Table 4: Factory Default Settings48
Table 5: Problem Categories54
Table 6: Power Problems55
Table 7: Button Problems56
Table 8: Display/Alarms Problems57
Table 9: Operational Performance Problems58
Table 10: Data Port Problems59
Table 11: Error Codes60
Figure 13: N-550 Rear Panel Screws67
Figure 14: N-550 Case Screws67
Figure 15: Top Case Removal67
Figure 16: Separated Cases68
Figure 17: Front Case Wiring69
Figure 18: Front Case Mounting Screws69
Figure 19: Front Case Bracket70
Figure 20: Speaker Removal70
Figure 21: Front PCB Removed70
Figure 22: MP-506 Cable Connections71
Figure 23: MP-506 Removal72
Figure 24: Front Case Wiring72
Figure 25: Front Case Mounting Screws73
Figure 26: Main PCB Removal73
Figure 27: Main PCB Removed74
Figure 28: Power Supply Wiring75
Figure 29: Power Supply Screws75
Figure 30: Power Supply Removed76
Figure 31: Fan Wires76
Figure 32: Fan Bracket Removal77
Figure 33: Fan and Bracket Removal77
Figure 34: Fan Screws78
Figure 35: Battery Connections78
Figure 36: Battery Removed79
Figure 37: Ground Wire80
Figure 38: Equipotential Ground Terminal80
Figure 39: Equipotential Ground Terminal Removed81
Table 12: Spare Parts and Accessories83
Figure 40: Exploded View86
Figure 41: Packing88
Table 13: Data Port Pinouts101
Figure 42: Data Port Pin Layout102
Figure 43: Real-Time Printout104
Table 14: Status Codes107
Figure 44: Oxyhemoglobin Dissociation Curve111
Figure 45: MP-506 Interface113
Table 15: MP-506 J1 Pinouts113
Table 16: MP-506 J2 Pinouts114
Figure 46: Block Diagram115
Figure 47: Battery Charger Schematic Diagram121
Figure 48: Main PCB Isolation for MP-506 Schematic Diagram123

Nellcor OxiMax N-550 - Service Manual

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