Txi-D User Guide 12.0 Reset To Factory Defaults 

If when you turned it on the Purple LED was flashing then it was in pairing mode and needed to be paired with your alarms? Suggest a new battery and try again.

I have them for about a year and my receiver is broken even when I turn my receiver of it still eats battery en most of the time he doesnt even work he sounds a bit strange when he works when i turn the volume up or down somtimes it dont even make a beep when a try it any ideas?

@@Ties201 Sorry you have a problem with one of our alarms. Please return any faulty items to us via the Delkim app or website and we will deal them as quickly as possible. If the item is under warranty the items will be replaced/repaired FOC. The average cost of an out of warranty repair is £25-£30 and all repairs are carried out within 10 working days. Delkim App: iOS - apple.co/3IJW0xz Android - bit.ly/3om1gjd Website - www.delkim.co.uk/uk-repairs-2/