
DOCUMENT 1025
REV. B
Instruction Manual
858 LED Series
Sizes 1, 2, 3, 4 and 5
6Table of Contents
| 1 | Revisions | ii | |
| 2 | Limited Product Warranty | iii | |
| 3 | Safety Notices | iv | |
| 3.1 | Keep Away from Live Circuits | iv | |
| 3.2 | RESUSCITATION | iv | |
| 4 | Safety Symbols | v | |
| 4.1 | Danger | v | |
| 4.2 | Warning | v | |
| 4.3 | Caution | v | |
| 4.4 | Warning: Notice | v | |
| 4.5 | Warning : Important | v | |
| 5 | Test Equipment and Tools | vi | |
| 6 | Table of Contents | vii | |
| 7 | List of Figures and Tables | viii | |
| 8 | General Information | 1 | |
| 8.1 | General Description | 1 | |
| 8.2 | Classification of Signs | 1 | |
| 8.3 | Part Numbers: | 2 | |
| 9 | Installation | 3 | |
| 10 | Maintenance and Troubleshooting | 6 | |
| 10.1 | General | 6 | |
| 10.2 | Problem Solving Guide | 7 | |
| 10.3 | Measuring Input Current (Signs Without Optional Power Switch) | 10 | |
| 10.4 | Measuring Input Current (Signs With Optional Power Switch) | 10 | |
| 10.5 | Checking Power Supply LED Cable | 11 | |
| 10.6 | Checking LED MODULE Cable Connections | 12 | |
| 10.7 | Checking the First LED MODULE | 12 | |
| 10.8 | Checking the Second LED MODULE | 13 | |
| 10.9 | Continue Checking the Rest of the LED MODULES | 14 | |
| 10.10 | Replacing an LED MODULE | 15 | |
| 10.11 | Sign PC Board P/N 62277 Calibration | 17 | |
| 10.12 | Replacing Sign Power Supply Board & Heat Sink P/N 62277 | 17 | |
| 11 | Figures and Tables | 20 | |
