How to mend ... Boiler Hello Fault Display

Ravenheat CSI 120 can't control water temperature?

I noticed this morning that the radiators and DHW seemed VERY hot. When I went to adjust the temperatures usin... [Read more]

boiler displaying code FC on greenstar 40he model?

My boiler is showing fault code FC and have no text display.

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]

boiler switchs itself of?

baxi 105e replaced dhw & ch temp sensors to rectify fault.....flashing light on fan display. switch of ... [Read more]

valiant boiler fault?

Locked out via ignition failure display flame with x through and F-28

Heating Temp problem Ferroli Maxima 35c?

I have an issue where the heating temp will not reach the dsired value. I set the heating temp using the dial... [Read more]

how can i fix my boiler?

no central heating no hot water, boiler fails to ignite shows on display panel fault 40

what needs replacing to rectify the fault?

My potterton puma 80e system boiler which is around 12 years old cuts out as soon as the boiler ignites The d... [Read more]

Vaillant ecoTECH 637 - F.15 fault?

Boiler is 2 years old and has been working well. Heating comes on with timer and then goes off after about two... [Read more]

no hot water or centeral heating saunier duval semia condens f24?

what is the fault the number 12 comes up on front of boiler display

how can i fix my ferroli domicompact f 24 b boiler?

when the thermostat calls for heat the boiler fires up but after a short time it switches off and the fault d... [Read more]

heating not working. glowworm 18hxi?

two of my radiators have not been heating up, yeaterday i switched the rest of my radiators off bar one to see... [Read more]

valliant eco plus 837 boiler ?

hi i have a vaillant eco plus 837 boiler , and recently had a small pipe change for shower head to downst... [Read more]

how can i fix pro Therm 80e boiler ?

Just moved into new house & the Fault code shows FO on digital display gas & water have been turned off for a... [Read more]

fault f20 ecotec exclusive?

my heating system has just started playing up. the boiler switches off when you turn on the hot water tap the... [Read more]

Ferrloi 25c no Heating after new PCB fitted?

Initial fault of F26 caused by frozen condensate pipe. F 26 couldn't be cleared so the PCB had to be changed. ... [Read more]

how do i restart my boiler showing fault f5?

My boiler has wont restart following me having to turn the mains water off for a short period. The boiler, a g... [Read more]

worcester boiler fault codes?

does anyone know where to get a list of the boiler fault codes that flash on the display of the worcester gree... [Read more]

how to fix the fault?

my boiler has stopped working, the red light is flashing and the LED display reads 0.3 bar.