Nellcor OxiMax N-550B Service Manual page 4

Contents
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Disassembly Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Packing for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
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Accessing Menu Items ........................................................................... 33
Menu Item 1 (Trend Print) ...................................................................... 33
Menu Item 2 (Trend Clear) .................................................................... 34
Menu Item 3 (Language Selection) ........................................................ 34
Menu Item 4 (Baud Rate) ...................................................................... 34
Menu Item 5 (EPP Mode) ...................................................................... 34
Service Menu Options ........................................................................................ 35
Menu Item 6 (In-Sensor Trend Mode) ................................................... 35
Menu Item 7 (RS-232 Nurse Call Polarity) ............................................ 35
Menu Item 8 (Time Set) ......................................................................... 36
Menu Item 9 (Save Current Values as Power-On Defaults) .................. 37
Menu Item 10 (Restore Factory Default Settings as Power-On Default) ...
38
Menu Item 11 (Alarm Silence Restrictions) ........................................... 39
Menu Item 12 (Silence Alarms) ............................................................. 40
Menu Item 13 (All Display Off) ............................................................... 40
Menu Item 14 (Alarm Sound Style Select) ............................................. 40
Setting Institutional Defaults (Sample) ................................................................ 41
Introduction ......................................................................................................... 43
How To Use This Section ................................................................................... 43
Who Should Perform Repairs ............................................................................. 43
Troubleshooting Guide ....................................................................................... 43
Power ..................................................................................................... 44
Buttons ................................................................................................... 46
Display/Alarms ....................................................................................... 47
Operational Performance ....................................................................... 48
Data Port ................................................................................................ 49
Error Codes ........................................................................................................ 49
Introduction ......................................................................................................... 53
Replacement Level Supported ........................................................................... 54
Prior to Disassembly ........................................................................................... 54
Separating Top and Bottom Cases ..................................................................... 54
Front Case Disassembly ..................................................................................... 57
MP-506 Removal ................................................................................................ 59
Main PCB Removal ............................................................................................ 60
Power Supply Removal ...................................................................................... 63
Fan Removal ...................................................................................................... 64
Battery Removal ................................................................................................. 66
Equipotential Terminal Removal ......................................................................... 68
Introduction ......................................................................................................... 71
Obtaining Replacement Parts ............................................................................. 71
Parts List and Accessories ................................................................................. 71
Introduction ......................................................................................................... 75
Returning the N-550B ......................................................................................... 75
General Instructions ............................................................................................ 75
Repacking in Original Carton .............................................................................. 75