The control panel of our veritas R8 has started making a loud tizzing noise, if I press on the panel cover it goes away but come back low and slowly gets louder when I stop pressing. The green light on the panel is on & stable. All functions of the system seem to be working ok. Have taken cover off and when hold battery the noise stops, does this mean the back up battery is on its way out? Thanks for any ideas

Tony, January 2012

It's called 'transformer hum', perfectly normal noise from a 'cheap' transformer.

acorn, January 2012

Get a service engineer in.. he can check the security of the transformer/cage.Certain modifications can be made depending on the panels mounted surface.Fitment of rubber washers etc.a good engineer will know which methods to utilise,before suggesting the need to fit a new panel.

no name, January 2012

could be battery issue,What's the voltage like?

A1, January 2012