Recent content by kevinf80

The 3 digit SMD resistor code R63 stands for 0.63 Ω, in words: zero point six three Ohms resistance

Thanks for the reply securiam and offer of PCB. I have already had an engineer out, he has removed the old system totally and is coming back tomorrow to install full new system.. Regards, Kevin.

Thanks for the reply sparkymarka, had a feeling the battery was the issue... If a good PCB had been available I would have changed it myself. I`ve been retired 20 years so will have to get an engineer in to fit a new system...

Hello all, Fitted my own alarm system approx 23 years ago, it has worked without issue until last week after a power cut. The back up battery was replaced about 3 years ago for the 4th time. After the power cut the alarm was somewhat sporadic when setting before exiting my house. The PCB has...