Recent content by minstralpiper

Programmer is a Drayton LP 522 The programmer is new as thought old one was faulty but same problem exists. For summer use only water is on and the timer comes on and off at the correct times. Every now and then when the timer cuts in at about six in the morning the heating comes on as well...

In summer have only hot water turned on at the programmer.Every now and then central heating turns itself on.Both lights are at the programmer.If I turn off power to programmer and then back on again it sets itself. Any idea where fault lies.