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| Bulletin # | Affected Equipment | Date of Bulletin |
| 01-2008 | Improving Silent Messenger PCMS Battery Life and Autonomy - All Products | January, 2008 |
| 03-2006 | Avoid Wind Damage - All SolarTech Message and Arrow Boards | April, 2006 |
| 02-2006 | Battery Chargers on All SolarTech Arrow Boards and Message Boards | April, 2006 |
| 01-2006 | Battery boxes on all SolarTech message boards | February, 2006 |