
TABLE OF CONTENTS
Ohaus Corporation www.ohaus.com iii Navigator Series Service Manual
LIST OF TABLES
TABLE NO. TITLE Page No.
1-1 Specifications.........................................................................................................2
1-2 Capacity and Readability........................................................................................5
1-3 Functions of Display Controls...............................................................................10
1-4 Display Indicators.................................................................................................11
1-5 Navigator User Menu Structure............................................................................13
1-6 Navigator Service Menu Structure........................................................................14
2-1 Diagnostic Guide..................................................................................................16
3-1 Load Cell Wire Color Identification .......................................................................20
4-1 Calibration Mass Values.......................................................................................24
4-2 Tolerances ...........................................................................................................26
4-3 Repeatability Worksheet.......................................................................................28
4-4 Linearity Test Masses ..........................................................................................29
5-1 NV: Housing & Internal Parts................................................................................34
5-2 NVL and NVT: Housing & Internal Parts...............................................................36
D-1. Geographical Adjustment Values .........................................................................48
LIST OF ILLUSTRATIONS
FIGURE NO. TITLE
1-1 Power Connection................................................................................................10
1-2 Navigator Overlay.................................................................................................10
1-3 Navigator Display Indicators.................................................................................11
1-4 Menu Lock Switch................................................................................................12
3-1 Pan Support and Conductive Rubber Caps..........................................................19
3-2 Separating the Top and Bottom Housings............................................................19
3-3 Load Cell Connections.........................................................................................21
3-4 Position Load Cell, PCB and AC Wires ................................................................21
3-5 Function Label Removal.......................................................................................22
3-6 Down-Stop Adjustment Screws............................................................................23
4-1 LCD Segment Display..........................................................................................25
4-2 LED Segment Display..........................................................................................25
4-3 Navigator Load Cell and Weighing Pan................................................................30
5-1 Navigator NV: Housing & Internal Parts................................................................33
5-2 Navigator NVL and NVT: Housing & Internal Parts...............................................35
C-1 First screen of the Navigator Service Tool............................................................45
C-2 Com port Configuration screen.............................................................................46
C-3 Diagnostic screen.................................................................................................46
C-4 Model name on Data Label ..................................................................................47
C-4 Model name entered ............................................................................................47