How to mend ... Boiler Fault Starts

Flexicom 15x running water sound?

Just had a new pump after a repeated F22 fault. It now starts up, runs up to around 44 degrees then, the temp... [Read more]

which component is at fault?

my danesmoor 15/19 oil boiler starts and runs fine until up to temp and then goes to lockout instead of relig... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

My Worcester greenstar 24 ri is clicking?

Our boiler clicks almost constantly after the timed programme has ended. If we turn it back on the clicking st... [Read more]

28i starts up but then switches of fast flashing fault light?

boiler makes hot water & will heat radiators but after about 10 min switches of and give a fast flashing fault... [Read more]

Glow worm 15HXI- F5 Fault?

Hi, I have come home this evening to no hot water and an F5 fault on my boiler. I have tried the reset butto... [Read more]

Boiler fault ?

Calydra 80 heating working ok ,but hot water ,boiler fires after a few minutes the boiler stops fireing ,from ... [Read more]

Boiler or Thermostat?

When I switch on my boiler it fires up but the fan starts, the ignition light fires up the gas burners and the... [Read more]

Vaillant Ecomax boiler - Fault Code F22 - Please help?

Major probs with my ecomax boiler. Over 2 weeks ago, when in shower noticed problem whereby hot water would ru... [Read more]

My Potterton Envoy 40 is showing an error P. What could be the fault?

My Potterton Envoy 40 failed today where it was just indicating a "0" when in the on low position. After swit... [Read more]

How to fix a Sabre/Vokera boiler with red light?

Hi, ive read many threads but cant seem to find the fault my boiler has. Its a sabre boiler but i cant find mo... [Read more]

Vaillant ecotec 466 boiler f.75 5er code?

Hi we have the above boiler which has been displaying the F.75 fault code. We have had the pressure sensor cha... [Read more]

Ideal iscar HE24 combi?

My boiler will not fire up and I get a L F fault code also when I press the reset button and the boiler starts... [Read more]

glow worm boiler?

I have a glow worm boiler 18hxi and all though it comes on and starts to heat the water after a short time a f... [Read more]

chaffatoteaux britony combi se?

the 60 fault light comes on after the boiler fails to start sometimes the boiler starts ok

Baxi boiler over pressure problem?

I've got a baxi duo-tec he33. It's only 30 months old and has developed a problem of going over pressure. If ... [Read more]

ferroli optimax HE 31C combi boiler?

my boiler will not fire up it just starts the fan then goes on to F12. What is F12 fault

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]

burner wont stay on?

hi my ravenheat csi primary heating boiler starts and then stops the fault finding is saying it could be the ... [Read more]

Vaillant Ecomax 835e Fault code F22 - pressure ok, any suggestions?

Hi we have a Vaillant ecomax 835e which has been installed about 3 1/2 years, it keeps going off when the hot ... [Read more]