How to mend ... Fault Boiler Hot

Ferroli Optimax not heating water?

I had the hot tap on today and the water suddenly went cold. Now when you turn the hot tap on the boiler is no... [Read more]

boiler not firing up?

my boiler has is a worcester bosch greenstar 40cdi and has been working fine . tonight turn it on and get the... [Read more]

Ferroli combi Boiler not working, display screen blank. What do I do?

I turned my heating on and the boiler worked for about 5 mins then just shut off. Its a self diognosic boiler ... [Read more]

what do the flashing lights on my greenstar 24i boiler mean?

My greenstar 24i boiler keeps turning itself off when i run the hot water,when this happens the blue light fla... [Read more]

i have a glowworm 35ci. there is a f5 fault code?

the boiler stays on but when turn on the hot water tap or the heating the fault appears straight away

NO DHW from my greenstar 28i?

There is no hot water from my greenstar 28i The heating is working fine . When the tap is turned on the boil... [Read more]

Glow worm 30CXI combination boiler showing fault code F1 and F4? ?

Glow worm 30CXI combination boiler showing fault code F1 and F4? My boiler is showing fault code F1 - F4 so t... [Read more]

Vaillant Pro 28. Rads get warm when hot water is run?

I recently had error code F75. Pressure was low and boiler locked out. I put pressure right and turned boiler ... [Read more]

how can i fix my Valliant Boiler Ecotech?

my boiler is flashing up a f22 code which means i need to fill up water in the system as the hot water and hea... [Read more]

what needs replacing on my boiler?

worcester 24sill has a intermitent fault it can be running on hot water or heating for a time and then cut out... [Read more]

Volkera Excell 80E boiler - not working but no diagnostic lights?

My Vokera Excell 80E gas boiler is not igniting. The green light is on but when you turn on the hot water tap ... [Read more]

Vailant Ecotec Plus 837 Radiator heating issue. fault 22?

Hi I recently replaced my old boiler with a new Vailant 837 combi and my heaters dont seem to be heating up, t... [Read more]

Baxi combi 105HE Hot Water Problem?

I have a Baxi combi 105HE boiler. The hot water has stopped working. I put the taps on and its just cold. I... [Read more]

Why is my Vaillant ecoMAX828 so noisy?

The boiler works fine when firing up for central heating, and also for medium demand hot water. However, when ... [Read more]

35 cdi 2 hot water fault?

hi can anyone help. Water flows quite freely through the hot tap boiler starts up but then water seems to boil... [Read more]

f9 flashing on combi boiler 30ci glowworm ?

the light flashes red intermittantly. the pressure is ok at 1.2 bar . we have CH . when the water is on it is ... [Read more]

F15 fault?

Hi, I have a F30E Theme Classic and have just replaced the 3-way valve as it had split (again). I have now ins... [Read more]

What does fault code F22 & F25 mean for a Flexicom 18hx mean?

I've just got home and my hot water isn't working. I've looked at my boiler and it was showing 'F22'. I read... [Read more]

Ravenheat LS100T combi boiler?

The boiler is not working on either the hot water or the central heating. When I go to switch it on the green ... [Read more]

ideal classic f350 pilot wont light boiler wont fire up?

this is a combi boiler, i have no hot water or heating, have followed all relighting instructions including th... [Read more]