TABLE OF CONTENTS
Ohaus Corporation www.ohaus.com
i
Valor 1000 Series Service Manual
Page No.
1
GETTING STARTED
1
1.1
Introduction
1
1.2
Service Facilities
1
1.3
Technical Data
2
1.4
Tools and Test Equipment Required
2
1.5
Specification
2
1.6
Controls
5
1.6.1
Overview of the Controls
5
1.6.2
Main Application Screen
5
1.6.3
Turning Scale On/Off
6
1.6.4
Weighing
6
1.7
Legal for Trade (LFT)
6
1.7.1
Settings
6
1.7.2
Verification
6
1.7.3
Sealing
6
2
DIAGNOSTIC GUIDE
8
2.1
Trouble Shooting
8
2.2
Diagnostic Guide
8
2.2.1
Diagnosis:
8
2.2.2
Checking Load Cells for Trouble
9
3
MAINTENANCE / REPAIR PROCEDURES
11
3.1
Preventive Maintenance
11
3.2
Opening the Scale
12
3.3
Removing/Replacing the Main PCB
13
3.4
Removing/Replacing the Rear Display PCB
14
3.5
Removing/Replacing the Load Cell
15
3.6
Setting the Overload Stops
16
3.7
Replacing the Port PCB
17
3.8
Replacing the Function Label
18
4
TESTING
19
4.1
Test Masses Required
19
4.2
Performance Tests
19
4.2.1
Precision Test
20
4.2.2
Repeatability Test
20
4.2.3
Linearity Test
22
4.2.4
Off-Center Load Test
23
4.2.5
Adjusting Off Center Load
23
5
PARTS LISTS & DIAGRAMS
26
5.1
Non-Approved Models Spare Parts
26
5.2
Approved Models Spare Parts
28
APPENDIX A
– SERVICE MENU
30
A.1 Service Menu Structure
30
A.2 Service Calibration
31
Summary of Contents for Valor 1000
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