How to mend ... Boiler Pcb Valve

Ferroli Modena 102 lock out?

Led 2 light on boiler, is burner shut down and is constant red,after resetting boiler with CH at max it tries... [Read more]

Ferroli Optimax - no hot water ?

Hi, I hope someone can help me. I have had no hot water or heating for over 5 weeks. I have boiler cover thro... [Read more]

How can i fix my Potterton Performa 30 HE Boiler?

Boiler failing to fire up; showing fan & flame fault indication. Dismantled boiler and checked fan on 240v sup... [Read more]

HELP!!! Ravenheat csi 85 combi?

Heating but no hot water. Turned hot tap on and plunger on diverter valve pushes onto the Micro switch which o... [Read more]

suprima 50?

you guessed it, my potterton suprima 50 wont fire up, i've changed the pcb, [3rd time] but this time no luck ?... [Read more]

How can I fix my Ravenheat RSF84ET boiler?

On my Ravenheat RSF84ET boiler I haven't any DHW. I have replaced the diverter valve & microswitch, plus I hav... [Read more]

potterton promax?

i have a potterton promax 28 he combi boiler that won't work the spark genorater, electrodes, gas valve and pc... [Read more]

pcb board?

I replaced the PCB on my ariston Euro Combi boiler after going through the flow chart. It worked for two weeks... [Read more]

HELP ! Blonde woman in need of advice... boiler kaput!?

Help really needed. I have a potterton HE Plus Promax 15.... started with a leak on the flow valve... which I... [Read more]

Potterton 50E Neataheat profile - No Central Heating? ?

Potterton 50E Neataheat profile ( conventional heating system)... Hot water is working on demand.. ok C... [Read more]

halstead boiler going to lock out not firing up?

Had a new PCB fitted and new leads and gas valve. Boiler still going to lock out. only getting 130 volts to ... [Read more]

Potterton Profile E40?

Hi, i have an intermittent prob on a Potterton Profile e40, unsure if PCB: sometimes when boiler lit & running... [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 can i fix my baxi combi 80 eco?

My Boiler keeps firing on hot water when no hot water is been drawen. The hot water DHW Pressure Differential... [Read more]

potterton 24 he ?

hi im a heating engineer and cant find out the problem for this boiler.. the fan comes on, the relay switches ... [Read more]

no hot water?

we lost mains water and the next day we lost hot water, however the combi boiler still works on heating only. ... [Read more]

Saunier thelia 23 boiler not igniting?

I have a fault on the boiler, Everything seems to work but it will not ignite. I have checked the voltage to t... [Read more]

Ravenheat combi boiler continually firing then shutting down?

My 3 year old Ravenheat CSI 85A combi boiler developed the following fault: Firstly, the domestic hot water w... [Read more]

suprima 40l pls help?

boiler only fires up when hot water and heating on new three port valve/new pcb/new over heat valve runs fo... [Read more]

Loud buzzing on ignition.. Ideal Mexico Floorstanding Boiler?

A friends boiler emits a loud buzzing (sounds electrical) when the boiler is trying to light, sometimes for a ... [Read more]