Grey with a cream front cover. Like this one: .
Combinations of Clock +/- and Day didn't manage to reset it, but I have tried removing power (including the backup battery) and that didn't cure the problem.
> Would help if we know what programmer it is.
Sorry, not obvious until I found the front cover that fell behind the cylinder!
Drayton Tempus Seven. (No sliders!).
Thanks very much.
Hi,
Every few 10s of seconds my programmer is turning the hot water demand off and on again. (CH is turned off, so I don't know whether it exhibits the same problem).
The relay clicks off and the led turns off at the same time. Then about 1 second later both turn on again. Everything...