MCP-FL

Can any of you who was able to add the 2842-222 to the ISY describe the process? I tried a few times the way I would normally add a sensor, but could never get it to change state from OFF either... I push the set button on the sensor, then add it using the Insteon ID and AutoDiscover. Then push the set button once more and all show up (all three) in the ISY but it just doesn't change state. Thank you!