How to mend ... Running Boiler Fault

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]

How can I fix pressure fault on my Vokera linea 24?

System press dropping 3bar>1 within one hour of c/heating switch off? checked all valves 4 leaks ok. is there ... [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]

Problem with Potterton 80e?

Potterton 80e DHW problem. When I turn on hot tap boiler does not start. If I turn tap off & back on about 1... [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]

PCB for worcester 35cdi mk2 rsf boiler?

Following the fault dianostics, given a fast flashing red lamp, on J flowchart in the owners manua (The fan no... [Read more]

sime 80e ingition board [boiler control ]?

hi, I have a problem on my sime 80 e friendly boiler id number 0063as4782 cd number 8092955 ser number 3001... [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]

Glow-worm 60 FF will not switch heating off?

I have a glow worm 60 FF with a intermittent fault that results in my heating staying on all night. I have a... [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 Profile 50 control board fault?

This was quite an unusually one for me as my normal work is designing in car multimedia systems! A work fri... [Read more]

Repair sime combination boiler?

Intermitent fault on sime super combination boiler. Pump running but no power to fan, could it be a pcb board... [Read more]