i have optima xm alarm alarm not set but went off outside bell no lights displayed on outside box, all internal sensor not working. finally went of outside but sensors still not working so can't set alarm! its got new battery within last 6 month and new senor also serviced any ideas what i can do to fix this. thank you

linda pennock, August 2011

fuse has blown inside the panel by the sounds of it

gts, August 2011