I am getting residents to make another check of their handsets. We don't have a "trades" button so that can't be the problem. The system is quite old but we did have the panel with the bells and speaker replaced about 5 months ago. It looks as if it is watertight and, as there is a small...
The door opening buzzer for the entry phone system in our block of 6 flats is sounding constantly and leaving the door unlocked. I think it must be because the opening button on someone's in flat handset is stuck down, but everyone denies it is theirs. Could there be anything else causing this...
Thanks to Kevplumb, Brummylad and others for the advice about unsticking the pin in the TRV. Might be old posts but still just as valid - and the pin only needed a light tap with the back of the spanner, no violence with claw hammers!