I'm having this exact problem. I accidentally hit the switch under the key-pad and sounded the alarm. My code and "Reset" stopped the noise but I'm left with the dreaded flashing "A". A lot of people here refer to the, "Link Out" solution but with no explanation as to how that's done. Thanks again.
I'm having a similar problem. I accidently pressed the button underneath the key-pad and set off the alarm. I entered my code and "Reset" and thankfully stopped the noise. Now though, I have a flashing "A" that I don't know how to get rid of. The advice on here is to, remove the front panel and...