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We have 132 questions about mending 'fault boiler pcb' in category Heating, Home Heating Systems which have been answered

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i have a ideal icos system he24 gas boiler that has suddenly stopped workin?

my gas boiler has stopped working suddenly,have checked the fuse in the pcb unit thats ok,have noticed that th... [Read more]
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i have potterton 50e netaheat bolier stat keeps clicking?

My POTTERTON 50E boiler will fire up ok but after awhile that it has been working for I will hear the stat in ... [Read more]
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Ideal Combi Logic boiler "L3" fault. ?

Whenever the temperature knob is turned up higher than half way, the boiler shuts down, flashing L and 3. Have... [Read more]
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worcester greenstar 30 si think its the pcb?

Can anyone shed any light. Gone to a customer boiler in lockout indicating ignition fault. Reset boiler pump c... [Read more]
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vaillant VUW 242e locked out?

as soon as boiler is switched on it goes to lock out immediately, pump runs, green light on, orange heating de... [Read more]
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Worcester combi greenstar intermittently not starting up/EA error code?

We have a 3yr old Worcester Greenstar combi boiler that is playing up. It has been intermittently not firing ... [Read more]
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Help with Baxi 105e?

My Baxi 105e has recently developed a problem! On Saturday expansion vessel packed in and leaked. I dried ever... [Read more]
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Ideal isar 24he Luke warm hot water?

Hot water Luke warm. Boiler fires on full gas at first and then modulates down. Is this a pcb fault or sensor?
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f1 fault on 23 kw jaguar boiler?

boiler fires up on heating and hot water then goes into f1 fault change flame probe and pcb board replaced,fan... [Read more]
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Ferroli HE 31c optimax code F37?

I have just put a new PCB in and have reset the boiler my pressure gauge is 1.5b but i still have the fault an... [Read more]
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diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]
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Intermittent hot water on Baxi 105e?

Hi,my boiler has developed a fault on DHW supply,when asked for hot water, system fires up runs for 30 seconds... [Read more]
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My Glow Worm Micron 30FF wont light. How can I check whats wrong&fix it?

I have a Glow worm Micron 30FF which was installed new 4 years ago. Since then it has been serviced and a new... [Read more]
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intermittant fault on ravenheat csi85at?

on this combi when switched to hot water only boiler does not fire at all.on winter /summer boiler fires on ho... [Read more]
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how can i fix ferroli 31c he?

I have ferroli optimax 31c he. the problem occured all of a sudden.The front screen on the front of the boiler... [Read more]
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Ariston microgenus 24HE?

AO1 Fault on boiler, replaced pcb boiler working fine, phone call following day to say E34 fault code coming u... [Read more]
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Does anyone know what fault H5 means on an Isar HE30 boiler?

The PCB has been replaced and is now flashing H, 5 and will not re-set, can you help?
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Baxi Boiler Not Firing Up?

I have a Baxi Solo 3 PFL 40 Boiler Problem : When calling for water or heat, the fan runs, pump rums, and t... [Read more]
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Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]
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vokera syntesi fault code 01,?

hi,ive just had boiler seviced,gas pressures se ,also new pcb,week later its tripping out code 01,its fine wen... [Read more]
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