How to mend ... Boiler Timer Start

RAVENHEAT CSI PRIMARY G20?

ON A FROSTY MORNING THE BOILER WILL NOT START UP ON TIMER BUT ON A NORMUL MORNING IT WORKS. AS THIS BOILER GO... [Read more]

Can anybody tell me what is wrong with my alpha ocean 240e boiler, please?

Hello! My alpha ocean 240e boiler has trouble starting in CH mode. There is not problem whatsoever whit ho... [Read more]

How can i fix my Chaffoteaux & Maury Britony combi SE boiler?

I am having problems with my boiler not firing up when it is due to start on the timer, it flashes up the warn... [Read more]

Ravenheat Silver Star LS 80?

The boiler fails to start with heating or domestic hot water. There is 230v into the control panel through th... [Read more]

How can i fix my Vaillant boiler (ecomax pro) Fault code F04 + F01?

Hi My boiler is on the blink, i have a vaillant boiler (ecomax pro) it keeps cutting out and wont start up ... [Read more]

Central heating is freezing?

My Baxi 105e combi boiler is playing up.The hot water is great but the ch which is normally very good and warm... [Read more]

Potterton Netaheat 16-22 doesn't start?

Hi, I went to switch my Netaheat from timed to constant, and the boiler didn't come on and now it doesn't come... [Read more]

Vaillant GB2 EH - Got DHW but no CH and its freezin!?

Hi Guys - am in desperate need for tips on how to fix our Vaillant VCW-GB-282 EH Combi. Installed about Apr 19... [Read more]

how can i fix my valiant combi boiler?

when my heating is set on a timer for the morning it turns its self on but when i go to use the hot water firs... [Read more]

vailiant boiler timer not working?

timer make Randell 103 the automatic timer is not working when you set it. it seems to stop before the red b... [Read more]

We have the same problem as Baz but with a Potterton profile boiler?

The pilot light comes on but goes off again. The radiatiors start to get warm and then go cold again. We hav... [Read more]

Boiler fires up for hot water but NOT for heating ?

Hi My Boiler fires up for the hot water and this works however my heating does not come on at all . The timer ... [Read more]

Potterton FF 40 Boiler start up problem?

My boiler will try starting up on the timer. The fan starts and the air pressure switch clicks on for 15 secs ... [Read more]

Vokera Excell 80SP - Central Heating won't start?

Hi, I have the above boiler and recently asked a question about replacing the diaphragm. Thanks to whoever ... [Read more]

Baxi Solo 3 PFL - Boiler On light but no fire up?

My Baxi Solo 3 PFL failed to start. The 'Boiler On' light comes on when the timer switches on but the boiler w... [Read more]

Potterton Prima F50 startup problem?

initially the boiler doesn't fire up when instructed to by the timer. You can hear what sound's like a fan whi... [Read more]

Vokera Linear 24 timer fault?

The boiler works fine in both hot water and central heating modes until the timer is set. When the time is rea... [Read more]

How do I start up the system?

I have just bought a flat whose heating has been switched off. Icannot get it to start up. It is a Potterton N... [Read more]

Problem with Ravenheat LS100T combi boiler with built-in timer?

I have had the above boiler for about 2 yrs now. But in the last 4 weeks, it has not been working perfectly. ... [Read more]

Pilot light is on, timer and termostat okay but does not start up?

All seems to be okay but fan does not kick off and boiler does not start. Is there any way to check the circui... [Read more]