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Analogue clock/timeswitch not not working on Vaillant boiler?

I've just moved in to a flat and the clock on the boiler is not working - it was until around 24 hours ago but now the time/hands etc are not moving. The heating will engage/disengage if I move the time on manually or just switch to always on but the clock itself seems to have 'stopped'. Is there a simple fix please or is it possible I inadvertently did something to stop it from working? Any advice much appreciated - thanks. PS It looks like the timeswitch 130 or very similar.

Eric
November 2011

Vaillant Heating, Home Heating Systems Not Working Boiler

I’m on my THIRD in 5 years and have tried everything I can think of (including exchanging parts) but the only solution has been to bite the bullet and buy a new on at £50+!!! They are delicate, useless and expensive - be warned.

Steve
May 2022

I bought a new timer (easy fit), which seemed to work for a while but now stops whenever it changes from on to off, but perfectly ok when moved manually! Went back to the old (previous) clock which again worked absolutely fine until it changes (via the pin
things) from on to off then stops - baffled!!

steveh
March 2022

British gas just replaced mine as clock hands were not moving around, still not working after a new one fitted, he told me it was and left and its not, anyone know how to solve the problem?

Maria Smith
March 2022

have got same problem. Have replaced both timer and pcb on instruction by installer but still not working. 130 timer

albert john kelly
September 2017

I had the same problem ,removed and cleaned corrosion from pins,now working f8ine

Ron
April 2014

Generally speaking, replacement sounds your only option.

Carefree
November 2011