How to mend ... Fault Water Running

thelia 23, won't fire up (pilot lit, just won't heat water)?

When I try to turn the heating or hot water on, the fan keeps clicking between fast and slow, approx every sec... [Read more]

Baxi Combi 105e heating fault?

My Baxi 105e combi is showing 3 bar when the heating is running, causing it to lose water through the blow off... [Read more]

Overheat cut out worcester 9.24 electronic boiler?

Had no central heating but hot water ok, boiler shuts down after 2 mins, found (eventualy) that the thermocoup... [Read more]

Is the Filling loop broken?

I have a Potterton Combi boiler, the pressure slowely rises even when just HW mode is selected. Is this a faul... [Read more]

vokera-----------excell 80sp?

pilot light going off occationally.heating and hot water working normally when the pilot ligt is onn.I had cle... [Read more]

Vokera Linear 24 Hot Water Fault?

My Vokera Linear24 works fine on heating. However water is running hot & cold. Have had fan cleaned out & had ... [Read more]

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

Alpha CB24 Boiler Fault?

Hi, My Alpha boiler CB24, switches off after running for a few minutes. The B light flashes every second. If y... [Read more]

Potterton Puma 80 firing on and off?

My Potterton Puma 80 comi boiler starts firing on and off after it has been running for a few minutes - both h... [Read more]

junkers boiler won't ignite fault code C4?

Junkers boiler zwc28-1 mfza/31 had rain water running through the boiler. Now won't ignite. Have been trying t... [Read more]

Heating Fault - Pump continually runs (Maxol microturbo 402)?

I have a Maxol microturbo 402 domestic boiler that is used for the central heating and hot water in my home. T... [Read more]

Worcester 9.24 hearslave combination boiler GC no 47.311.02 balance flued?

The pilot light keeps going out on release of the gas valve button. I have turned the button to the right and ... [Read more]

How can I Fix My Ravenheat 820/20 boiler?

My ravenheat 820/20 boiler is supplying hot water but no CH. After a basic fault finding mission I discovered ... [Read more]

Baxi 105e c/htg cuts out of its own accord?

No problem on hot water. C/htg does not cut in if temp lights display a high temp. To get the boiler running... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

Ferroli Optima 901 Boiler?

Ferroli Combi Boiler Optima 901? Niggling fault which seems to be getting worse. If the boiler is not used... [Read more]

Ferroli Combi Boiler Optima 901?

Niggling fault which seems to be getting worse. If the boiler is not used, i.e you have not run hot water for... [Read more]

Baxi Bahama 100 - Pressure rising only when heating on!?

Hi, to anyone who can help me :-) I have a Baxi Bahama 100 combi boiler. Just recently, it has developed a ... [Read more]

Potterton Puma 80 - hot water ok, but no C/H, bypass Temperature Sensor?

My Potterton Puma 80 C/H has decided to stop working. It started up first thing this morning, then after 30... [Read more]