2 hours ago Jo asked ... How to engage clutch on old sewing machine to engage needle?    |    Jacky asked ... Miele Vacuum cleaner?    |    Ben asked ... Toyota Yaris French or Japanese?    |    Andy asked ... How can I mend my MacAlistair 450w hedge trimmer?    |    Felix asked ... Hitachi vt-m70em?    |    Click here to ask your question

How can I fix sensor on front door?

My husband cut electricity power off to replace a light bulb and when he put power back on the sensor on door doesn't beep and I don't know when someone coming in
S.mccallum, September 2015
and thank you for the reply,s.

gts, September 2015
Thanks Nick and gts for your prompt replies we have ordered a new battery and the panel is a veritas R8 plus installed in 1991

S.mccallum, September 2015
what panel ?name please

gts, September 2015