How to mend Dhw Ok Ch

2

Central Heating Dilemma?

ok I have a Potterton Mini Minder E (MM)to control when I want the water (DHW) and Central Heating (CH) on and... [Read more]

1

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]

1

ferroli falcon boiler lockout?

my ferroli falcon intermittently stops supplying both dhw and ch,if i switch the reset then boiler reignites.w... [Read more]

8

halstead finest gold no dhw?

when i turn hot tap on boiler will not fire up. if turn ch on dhw works ok. help!

2

ferolli lighting but not staying lit?

as above it lights but will not stay lit, rises to 11.5 mbar as it should then dies off, few seconds. all powe... [Read more]

2

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

1

vaillant combi?

dhw is ok ch fires up for few seconds then goes off and continues this cycle on ch. only water in boiler is ge... [Read more]

1

potterton combi 80 pump stops when hot?

my boiler runs ok for DHW had new divertor valve last year and flushed. CH starts runs for 20 mins, rads get h... [Read more]

6

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]

2

vaillant vcw-gb 242 eh not igniting to either heat dhw or ch?

boiler was drained to look at water valve diaphragm as central heating was not working (ie) diverter valve no... [Read more]

1

Ferroli Modena 80e won't fire up, D.H.W or C.H?

When i put a call in for DHW or CH everything starts ok but the burners dont fire up, there is a spark, i have... [Read more]

7

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]

1

Ferroli modena 80e 80 e HELP AGAIN !!!!!!?

ok, eventually i got fed up and called out british gas, fixed charge call out they replaced my gas valve (got... [Read more]

1

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]

51

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]

4

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]

4

Pump constantly running on Vaillant VCW GB242 EH?

I have recently noticed that the pump on my Vaillant boiler is running constantly even when there is no demand... [Read more]

3

CH OK no HOT WATER on Vaillant Turbomax Plus 824E ?

Central heating works fine, but not hot water on any taps. When I turn the taps warm water coming for few SECO... [Read more]

1

vokera excel 80 E combi does not give hot water in DHW mode?

It gives hot water in the taps only when CH mode. Some times in DHW mode it attempts to fire and the fan may c... [Read more]

3

What`s wrong potterton puma 80?

System lock-outs, Low system pressure System over pressures, sometimes no water flow through heating system b... [Read more]