You were right on the nose dave ! Bad module. When I replaced it the light became extremely bright. However, now I can't seem to turn it on, off or dim it using Activehome with my PC. I am going to verify my configurations to see if everything is installed correctly.
Thanks again to everyone for their advice and help.
Go to the ActiveHome 1.42 menu Configuration > Set interface clock window and make sure the CM11A clock is ticking away in sync with the system clock. This will verify that ActiveHome is actually talking with the CM11A.
Yes it is indeed talking with the CM11A. The settings seem to be fine. I reinstalled the software to make sure but I can't turn it on/off nor dim the light. It's very frustrating. I forgot to mention is that I'm running Vista Ultimate. Would this make a difference ?
If ActiveHome is indeed taking to the CM11A as evidenced by the "Set interface clock" test showing both clocks simultaneously ticking, then once you send the command to the CM11A, the ball is in the CM11A's court. Vista would have nothing to do with it unless it is somehow secretly intercepting the serial port traffic in another one of these stupid DRM schemes gone wrong (which I doubt).
Maybe this was previously asked, but do you have any other X10 module, like a plug-in Lamp Module, you could use for a test? It's possible the CM11A is sending out the signal to a perfectly good module but the signal is being corrupted by AC line noise or is being attenuated by a "signal sucker" appliance on the line. (Some PCs and UPS devices are notorious.) Or perhaps the CM11A and WS467 are on different phases of your house wiring and can't see each other. Or could your CM11A be plugged into a surge-suppressor power strip which is attenuating the signal.