How to mend ... Code Hot Help

microgenus he 28 mffi e34 fault?

Just recently happened, affects both central heating and hot water. Have replaced the Air Pressure Switch, but... [Read more]

Valliant code 28? Boiler ?

The boiler valliant turbo max plus thermo compact turns on fires up then switches off and code 28 appears. N... [Read more]

how to fix boiler?

ideal isar he35 combi boiler... fault code h3 no heating or hot water.. burner light coming on

Saunier Duval F35E auto-vents down to code 21 in minutes?

7 year old boiler, noticed code 21 (radiator circuit pressure low) so she opened the filling loop but left it ... [Read more]

our electicity has been down f75 problem code now occured?

no electricity for 6 hours then it finally is fixed however now f75 problem code happened on boiler, i have br... [Read more]

ferroli optimax HE31C the digital display is saying 'no CN''? ?

We have no hot water or central heating, no other error code is displayed. I've turned off at the mains, press... [Read more]

vaillant ecomax 835-e we have hot water but heating does not fire up?

we operate our boiler manualy turning it on and off as we need it our hot water is working fine but our heati... [Read more]

how to fix my Vaillant ecotec plus 824?

My boiler is flashing con on display as I have had a rubber pipe split. I have tried hair dryer for 1/2 hour ... [Read more]

H3 code showing on my boiler?

H3 code is showing on my ideal boiler, if i reset or turn on/off this doesnt fix anything. you can hear the b... [Read more]

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]

How can I fix my?

My ideal isar he24 boiler is showing a fault code h 5 it won't fire up for heating or hot water can you tell m... [Read more]

how can i fix my vaillant t ecomax 824/2 no heating?

there is hot water but no heating . the fault code is S30 - no external heat demand . It has never gone wrong ... [Read more]

e02?

Can anyone tell me what the code E 02 means other than I have no heating or hot water?

Remeha avanta plus code 8 on display?

Hi there, I have a remeha avanta 30s. My hot water works fine but my central heating doesn't work at all. I've... [Read more]

Heatline boiler showing f5 fault?

My heat line boiler is showing an f5 code and keeps cutting central heating and hot water off any ideas how to... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

How do i solve a Remeha Avantaplus E7 fault code?

My boiler is approx 6yrs old and has now stopped supplying hot water after an E7 error code. The central heat... [Read more]

vaillant ecotec pro 28 f.75 code and no hot water or heating?

can any one advise me on how to fix or reset my vaillant boiler the code f.75 has appeared and i have no hot w... [Read more]

ferroli optimax HE 31 C code d2? whats it mean??

ferroli optimax HE 31 C code d2? whats it mean?? gets that hot only got it set at 19 see it upto24, turn it o... [Read more]

what does the error code F1 mean?

My boiler is flashing an error code F1 and whilst it lights, it immediately goes out and I cannot get any hot ... [Read more]