Central Heating Timer

[steveeboy]

I have recently replaced my Honeywell ST699 timer with a new one, unfortunately since fitting nothing works !!!! There is no display on the timer and it does not reset. would it be possible that it is a faulty timer??? It is in a S type circuit

 

[clf-gas]

Have you replaced with a ST699
Have you wired like for like
Has the fuse popped in spur

OK,OK enough Q an A.

Is there live to the timer and a sound nuetral.

It is posssible to purchase a brand new dodgie timer

 

[steveeboy]

Yes it was a ??New St 699 ???. I will check the live on the timer

 

[steveeboy]

All the fuses are OK

 

[clf-gas]

Yes it was a ??New St 699 ???. I will check the live on the timer

At 23.24, then.

All the fuses are OK

Fek your quick on test, want a job fella

 

[steveeboy]

Sorted, the hot water auto valve switch was welded in the closed position and there was a fault in the programmer switch for the hot water. So engineer has replaced both and everything is now working. HAPPY DAYS thank you clf-gas for your help