How to mend ... Circuit Board Boiler

Fixing a Saunier Duval SD 623?

I live in France but have not had any success finding an answer here. Irregularly the boiler fails to restar... [Read more]

CB 24 Alhpa combi fault?

when the boiler is switched on the central heating runs constantly i have had the clock checked and the main c... [Read more]

Ravenheat CSI 85 no DHW unless CH on?

Hi, I have a problem with a Ravenheat CSI 85 (18 months old) which will only give DHW when the CH is on. ... [Read more]

Problem with my Potterton Profile 60e?

My 60e tries to come on and it sounds like the burners are about to fire up but they don't. the boiler switche... [Read more]

Potterton combi 80?

I have a pottrton combi 80 boiler. The hot water is fine. The central heating will fire up but after a coupl... [Read more]

boiler not working?

i hav a glow worm micro the problem i'm having is it will fire up then cuts out this will continue for a while... [Read more]

how can i fix my boiler?

boiler is glowworm micron. has been tested electrically and no power is getting to the fan hence heating not w... [Read more]

iHow can i fix my 10/16 boiler?

Please do you have a wiring plan for connections on to the Boiler control circuit board, as this as just been ... [Read more]

how can i attach my new curcuit board to my gas boiler in my kitchen?

How do i know which wires should be soldered into which part on the curcuit board as I was not present when th... [Read more]

Potterton boiler suprima 50 fault light?

I have a fault light which comes on every so often which knocks the boiler off. When reset is pressed the boil... [Read more]

ferroli optima boiler?

can i change individual relays in the circuit board

Potterton Envoy 80 working erratically?

My boiler, a Potterton Envoy 80NG, would heat up but there was no certainty that it would remain hot. I fiddle... [Read more]

How do I replace PCB on Baxi Solo gas boiler 260 PF?

I need to replace printed circuit board on Baxi Solo gas boiler 260 PF. XCan you tell me how?

How can I get my Potterton Profile 80e to ignite?

The query relates to our Potterton Profile 80e boiler. We replaced the circuit board earlier this year as we h... [Read more]

Pilot light is on, timer and termostat okay but does not start up?

All seems to be okay but fan does not kick off and boiler does not start. Is there any way to check the circui... [Read more]

fan problem on potterton promax 24he?

i have a potterton promax 24he condensing boiler.the problem is with the fan.on starting the boiler the fan sh... [Read more]

No power to Saunier Duval 30e?

My saunier duval boiler is not switching on or showing any signs of power. I have ensured the main circuit boa... [Read more]

Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but stil... [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]

SIME Friendly Format 100e Stop/Start/Stop/Start/Stop?

My combi boiler switches on, fan turns but no flame and so no hot water. Runs for two seconds and switches off... [Read more]