beautypg.com
ii
Table of Contents
Filters ............................................................................................................................... 18
Air Flow ........................................................................................................................... 18
6.4
Display Face Cleaning .......................................................................................................... 19
Wet Cleaning Process .................................................................................................... 19
Dry Cleaning Process .................................................................................................... 19
6.5
Annual Inspection ................................................................................................................. 20
Section 7:
Diagnostics and Troubleshooting ........................................................................... 21
7.1
Safety Precautions ................................................................................................................. 21
7.2
Controller Diagnostics .......................................................................................................... 21
7.3
MLC Diagnostics ................................................................................................................... 22
7.4
Temperature Sensor Diagnostics ........................................................................................ 22
7.5
Troubleshooting Display Problems .................................................................................... 22
Module and LED problems .......................................................................................... 22
Before calling Daktronics Customer Service .............................................................. 24
Section 8:
Parts Replacement .................................................................................................... 25
8.1
About Replacement Parts ..................................................................................................... 25
8.2
Instructions for Replacing Parts .......................................................................................... 26
Module Replacement ..................................................................................................... 26
Controller Replacement ................................................................................................ 27
Multi-Line Controller Replacement............................................................................. 28
Power Supply Replacement .......................................................................................... 28
Light Sensor Replacement ............................................................................................ 29
Temperature Sensor Replacement ............................................................................... 30
Section 9:
Daktronics Exchange and Repair & Return Programs .......................................... 31
9.1
Exchange Program ................................................................................................................ 31
Before Contacting Daktronics ...................................................................................... 31
9.2
Repair & Return Program .................................................................................................... 32
Shipping Address .......................................................................................................... 32
9.3
Daktronics Warranty and Limitation of Liability ............................................................. 32
Glossary
.................................................................................................................................... 33
Appendix A:
Reference Drawings.................................................................................................. 35
Appendix B:
International Installation .......................................................................................... 37
