[Kevin Sevcik]

Stupid question, but were all the batteries charged? Robots do very funny things with low batteries. Also make sure you're using the right power adapter for the OI and haven't swapped it with something else. Also, also, if you're seriously thinking it's a radio issue, tether up the robot and run it around in the same fashion. That will tell you pretty quickly whether it's the radio or not. Just basic troubleshooting, really. Eliminate things methodically and one by one. Shotgun toubleshooting often just leaves you more confused.