When your sign freezes or malfunctions don't panic! It could be just a simple lock up similar to what your computer might experience. All you need to do is to perform a simple power cycle. Typically this is performed by simply turning your breaker off for around 1 minute and powering it back on. Performing this simple task could potentially save you from having a very costly service call performed on your sign.
Sign which froze during normal usage.
Doing a simple power off and on quickly resolved the issue. It's so simple even your grandma can do it!