Lee wrote in :

On 30/07/2015 16:38, Dave Plowman (News) wrote:

Yes - it's that sort of keypad. Thing is it worked perfectly until a day
or so ago. Then noticed one number needed couple of goes to enter. Two
days later, no number key works at all. Would that happen so suddenly?


Used any solvents in the vicinity recently?




https://www.youtube.com/watch?v=CltBq6ed2rs

The contacts on the circuit board could be a little oxidised. Try polishing
those first - then see the video.