How to mend ... Problem Boiler Locks

Ravenheat CSi 120 problem?

Fires up three times in rapid succession, then locks out and shows a code 2 which seems to relate to the flue.... [Read more]

Potterton Comb 80?

My boiler lights and run for 2.3 mins untill the radiators are hot the flame then stops then the lockout light... [Read more]

My boiler keeps on locking out and displaying A01. How can I fix it?

My boiler keeps failing to light and locks out. The display shows A01. What is the problem?

Baxi combi 105HE boiler fault on the heating side?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]

worcester heatslave 12/14 oil combi boiler firing intermitently?

My Heatslave 12/14 oil combi boiler is being very tempremental and has been for some months. It has locked ou... [Read more]

How can I fix Potterton Combo100?

Hi All, the above boiler in my flat has started to play up. It is about 5 years old and has been fine up to no... [Read more]

My boiler pump fails to start/work when not used for several months?

I have a Potterton Profile boiler, with a Grundfos Super Selectric pump. If the Central Heating has not been ... [Read more]

Why does my boiler go g-g-donk and then lock out?

My Chaffoteaux & Maury Britony combi has an intermittent problem. About a minute after turning hot water off, ... [Read more]

why is my halstead boiler ignition locking out?

My Halstead finest gold boiler is Locking out when hat water is turned on at tap, the boiler resets, but locks... [Read more]

My Halstead Hero 40 Boiler keeps locking out?

For the last few days we have had either hot water, or central heating. The problem being, I haven't a clue. T... [Read more]

Low pressure in my boiler?

My central heating system occasionally loses pressure and falls below the required water pressure level and lo... [Read more]

Another lockout problem with worcester oil boiler?

I have a 'Worcester' 'Danesmoor utility'- 12/14- oil boiler, The burner is a 'electro oil Inter B9A. First... [Read more]

problems with worcester 350 hot water supply?

Can anyone help me fix a problem with my worcester 350 boiler? It runs ok on heating mode but when a demand fo... [Read more]

S-Duval F30E boiler problem?

Saunier Duval F30E combi: HW is okay on its own. CH is okay on its own. But when CH is on and HW is turned... [Read more]

Can anyone help me fix my Baxi Bahama 100 boiler?

Hi, my Baxi Bahama 100 boiler really has me flummoxed. It will provide central heating no problems, and hot wa... [Read more]

worscester bosch 28si mk2?

Nothing happens when boiler is turned on red light just flashes on the front, fitted a new pcb still got the s... [Read more]

Glow Worm Compact 75p pressure build up?

When i turn on my central heating after about 15/20 mins when the system and radiators are hot the pressure ga... [Read more]

problem with biasi 24s boiler combi?

my boiler let me run hot water off for awhile then it would go on lock out and red light come on, press to res... [Read more]

model VCW GB 242 EH vaillant combi boiler ignition problem?

occasionally, when the boiler ignites,the burners light and then go off, then on, then off again sometimes up ... [Read more]

Ravenheat Fanned Combi RSF 82ET - Flame Failure?

My Ravenheat Combi works fine most of the time but occasionally it locks out with the yellow flame faliure lig... [Read more]