How to mend ... Boiler Ch Mode

boiler locking out?

my puma 80e works fine in hot water mode, in CH mode it locks out

Baxi Eco80 Combi Boiler?

Hi... I have a Baxi eco80 combi boiler which has been working fine until a couple of months ago. What is happe... [Read more]

Can anybody tell me what is wrong with my alpha ocean 240e boiler, please?

Hello! My alpha ocean 240e boiler has trouble starting in CH mode. There is not problem whatsoever whit ho... [Read more]

Glowworm Compact 100e?

Went to a Glowworm Compact 100e the other day and found out it was a lose electrical connection. Problem solve... [Read more]

Glowworm / Glow worm compact 80e locking out not working !!?

Hi I have a new compact 80e installed which I bought about 1 year ago. The boiler was a surplus and had bee... [Read more]

how can i fix my vaillant vcw-gb-280h boiler?

i have no gas solenoid ignition there is no voltage to the soleniod in ch mode or dhw mode .All stats test ok ... [Read more]

SIME SUPER 90 - Diverter Valve?

Hello all, I have recently inherited a SIME SUPER 90 combination boiler in a house I moved into. The boile... [Read more]

boiler will not light?

I have a Biasi M110.32SM/E . Problem is cant ignite boiler in domestic or ch mode. Fan runs but nothing ignite... [Read more]

Jaguar 23kW: Using hot water tap triggers central heating to come on?

When i use the hot water i then turn off the tap. About 30% of the time i find the central heating comes on. T... [Read more]

Why Intermittent hot water on the Vokera Compact 24?

In DHW/CH mode the heating works fine (all singing all dancing). Turn on the hot water tap and the boiler gas ... [Read more]

Baxi 80E No hot water, CH ok. !!?

Got a Baxi 80 E Combi, Central Heating is perfect but NO hot water. The Hot Water neon does not illuminate wha... [Read more]

Vaillant Turbomax VUW 242E/282E not igniting automatically?

The boiler does not ignite when in auto mode in either CH or DHW. The lockout indicates and when it is reset, ... [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]

unburnt gas in flue gases, glow-worm 100e electronic combi?

Boiler fires ok on DHW and CH, plenty of hot water and no unburnt gas in flue gases on DHW, but in CH mode boi... [Read more]

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]

vaillant vcw242e no ch?

boiler works fine in dhw mode but will not fire in ch. it will run the pump and fan and pressure switch and di... [Read more]

Ariston boiler microgenus 27 burner heats to max?

My Ariston microgenus 27 MFFI, gets into a mode where it turns on burner until all yellow leds are lit (80') b... [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]

britony combi 100?

britony combi 100.boiler in DHW mode all the time therefore the CH doesnt come on?