Doug,
Sounds like you are doing everything correctly. Here are a few more things to try:
> Make sure the serial connection block on the robot-side stamper is oriented correctly - the black wire of the PWM cable powering the stamper should be facing toward the stamper
> Disable all ports in the PBASIC editor except for the one you are using.
>Sometimes you have to hit Ctrl-R a bunch of times in a row to get it to kick in
>You said you changed the channel. Use the config software to put both modems back to their factory configuration -- that should work fine; you don't really need to change the channel. Note that when you are re-programming the robot-side modem, you need to take off the adapter.
>If all else fails, Call Ewave again -- it is their product, even if Innovation FIRST sold it. We had a problem once where the stamper on the robot suddenly stopped working. The tech guy at Ewave was super helpful -- I had even called him on a Sunday. He talked me through a bunch of diagnostics, then determined that one of the internal circuits had been blown, we overnighted it back to him, he replaced the internal board and overnighted it back to us (there was a repair charge since they were out of warranty)
Hope some part of that helps....
Aidan
