Recent content by vectafrank

I thought by disconnecting the mains I could stop the bell battery being trickle charged so its capacity to drive the bell would become shorter.

Thanks guys I'm not sure what make the siren is as the only external marking is the faded name of the original installer but the suggestion is worth a try some time when the neighbours are on holiday. I guess I can shorten the blast by switching off the mains (Engineer mode then remove...

I'm gradually replacing a 20yo Galaxy 8 with a (mostly) wireless system with remote supervision retaining some hard-wired VIPER shock sensors powered from the old PSU. At some point, having transferred the VIPER wiring and upgrading the old VIPER 3s to GLXs, I will omit the relevant zones from...

Thanks guys. I think the cause was wrong setting of DIL2. I had copied the setting on a couple of VIPER GLs on the old system and left DIL2 off but re-read the cryptic installation instructions for 6-wire and set DIL2 on; seven of them have now run OK overnight so that was probably the issue.

They fade and then go out altogether.

As we have just replaced all our wooden frame windows with uPVC necessitating temporary removal of 18x 20yo Weyrad Viper 3s,thought I'd replace old VIPER 3 shock sensors with new GLX ones retaining the 6-wire connection. Mostly OK except that the GLX LEDs flash for an hour or two then fade. I...