How to mend ... Fault Boiler Heat

Boiler ?

I have a ravenheat whitestar ls 100, lately the red flashing light is on all the time and we are lucky the boi... [Read more]

How can I fix my Glowworm 70FF boiler?

Hi. My boiler does not always start running when the programmer and thermostat are both "ON". The programmer l... [Read more]

Any ideas on how to fix my Ferroli Optimax HE Plus 31 C combi boiler?Ferrol?

Ferroli Optimax HE Plus 31 C 3 years old from new. Have heating but no hot water, when I turn on hot tap the D... [Read more]

ravenheat boiler fault?

04 comes up often on display changed the heat sensor itmade no differance boiler still not working what else ... [Read more]

We have a combi logic 24 boiler?

Water will not heat display shows fault of L 2 flashing what can be the problem

Baxi Combi Instant 80 he pump fault/low pressure fault?

Hi, I have changed the differential valve dhw on my Baxi boiler today, and fired it all back up and topped up ... [Read more]

no hot water on baxi instant 80?

I have no hot water , boiler fires on pre heat but heats rads I have changed diverter valve head , fault findi... [Read more]

Potterton Performa 24 DHW issues?

My Potterton Performa 24 has developed a DHW fault, & I need help resolving it please. In November, it stoppe... [Read more]

Pottertton Kingfisher Boiler Overheating ?

I have a Potterton Kingfisher Boiler which has a intermittent problem, which is causing the tank to bubble ove... [Read more]

vokera fault code 71?

code 71 comes up i have changed thermisters to flow and return also flushed secondary heat exchanger boiler wo... [Read more]

Potterton perfoma 30HE?

Had new heat exchanger put in. When CH is switched on the boiler runs for a minute and cuts out, goes into mod... [Read more]

pipe size?

if my boiler was fitted with 15m supply origanally and i changed it to a 22m supply would it make my boiler ov... [Read more]

Icos he15 no hot water?

No fault code, have replaced external thermostat and still no hot water or fault code, boiler just does fire u... [Read more]

Boiler switches on/off every minute when heating hot water?

Hi. I need some advice please. I'm renting a property which has an Ideal Classic LX FF & FF Fanned Flue Gas... [Read more]

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [Read more]

Main 24 Combie Boiler causing power trip of all power to home?

When switching on the boiler the green power light 'flashes' (not on constant), then when selecting 'heat & wa... [Read more]

Fault with ideal isar he 30?

My ideal isar he30 boiler keeps on heating the system when the programmer is off and goes to the preheat for t... [Read more]

MORCO feb 24 Boiler heats ok but locks out when temp reached?

I have a fault on my Morco feb24e boiler central heating - it's failing with fault code (no flashes) which say... [Read more]

How can I fix my Vaillant Ecotec Plus 428 boiler problem?

When the outside temperature is very cold, and the boiler fires up to heat domestic water and/or the central h... [Read more]

Permanent F5 fault?

I have a Glowworm 18hxi boiler with a Systemate 2000 Gledhill system. Boiler keeps failing with F5 fault. Ha... [Read more]