I just purchased an ISY994i IR PRO to replace a Cortexa (and some HouseLinc) automation controller. So I'm new to ISY but not home automation. I have a new motion sensor that I bought and have linked it to the ISY, it's the only device linked. I factory reset the sensor prior to linking and it is working correctly reporting both motion, dawn/dusk and battery(off) to the ISY. The problem comes when I try to modify the option settings. I set the led flashing on the MS then click the options button and I get an error message "Request Failed". Once the Option screen is open I click the query button but get the same error message. I linked it to my Houselinc software just to make sure the MS is working. From the Houselinc I was able to set to the options. So I think the MS is OK. Any suggestions? Thank you.