beautypg.com
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Table of Contents
6.1
Proper Ladder Use ................................................................................................................ 22
6.2
Access to Display Interior .................................................................................................... 22
Front Access .................................................................................................................... 22
Rear Access ..................................................................................................................... 23
6.3
Ventilation System/Fans/Filters ........................................................................................ 24
Frequency of Inspection ................................................................................................ 24
Fan Blades ....................................................................................................................... 24
Filters ............................................................................................................................... 24
Vents ................................................................................................................................ 25
6.4
Display Face Cleaning .......................................................................................................... 25
Wet Outdoor Cleaning Process .................................................................................... 25
Dry Outdoor Cleaning Method .................................................................................... 26
6.5
Annual Inspection ................................................................................................................. 27
Section 7:
Diagnostics and Troubleshooting ........................................................................... 29
7.1
Safety Precautions ................................................................................................................. 29
7.2
Controller Diagnostics .......................................................................................................... 29
7.3
MLC Diagnostics ................................................................................................................... 30
7.4
Temperature Sensor Diagnostics ........................................................................................ 30
7.5
Troubleshooting Display Problems .................................................................................... 30
Module and LED problems .......................................................................................... 30
Before calling Daktronics Customer Service .............................................................. 32
Section 8:
Parts Replacement .................................................................................................... 33
8.1
About Replacement Parts ..................................................................................................... 33
8.2
Instructions for Replacing Parts .......................................................................................... 34
Module Replacement ..................................................................................................... 34
Controller Replacement ................................................................................................ 35
Multi-Line Controller Replacement............................................................................. 36
Power Supply Replacement .......................................................................................... 37
Light Sensor Replacement ............................................................................................ 38
8.3
Temperature Sensor Replacement ...................................................................................... 39
Section 9:
Daktronics Exchange and Repair & Return Programs .......................................... 41
9.1
Exchange Program ................................................................................................................ 41
Before Contacting Daktronics ...................................................................................... 41
9.2
Repair & Return Program .................................................................................................... 42
Shipping Address .......................................................................................................... 42
9.3
Daktronics Warranty and Limitation of Liability ............................................................. 42
Glossary
.................................................................................................................................... 43
