Help - need help with door sensors.

[ExasperatedCustomer]

I need help with my door sensors - please point me in the right direction! I am in the middle of renovations and I removed the sensors on my back and front doors so I could paint the doors. I tried to put them back on, but it set my house alarm off! I need some help getting them back on and working. 

Thank you!!!

[A-B · Accepted solution]

Hello. I'll send you a private message now, thanks.

[ExasperatedCustomer]

THank you!