How to mend ... Code Hot Water

Glow Worm Ultimate control unit fails to switch off pump?

I have a Glow Worm Ultimate Boiler which has a control unit with the following code ULT 100F(its about 10 year... [Read more]

Ferroli optimax 25c boiler not working !?

The boiler (ferroili optimax 25c) in the house which i'm renting has stopped working christmas day i've no hot... [Read more]

Chaffoteaux MX2 30FF - 40 70 fault and 70 80 fault?

Have got Chaffoteaux Maury MX2 30FF and 40 70 code keeps flashing .Also boiler goes off every time the hot wat... [Read more]

Ferroli Optimax 38c combi boiler showing fault code d1 ?

My ferroli 38c condesing combi boiler has no hot water and showing fault code d1 ? the c/heating is working f... [Read more]

Ferolli Optimax HE31C - Error code d1?

Hmmmm Newly installed boiler working fine for heating but when hot tap is run, after tap is closed boiler g... [Read more]

vokera linear,no heating flow?

no code showing,but the boiler fires up then shuts down at 86 degrees, it then fires again at around 70 degree... [Read more]

Vaillant powermax ?

Am having a problem with my central heating. I can't seem to get the temperature of the house to be any more ... [Read more]

Ferroli HE31C - code d1 and d2 - no heating but water ok!?

Hi Can someone help me. I have a brand new (prof. installed) HE31 C and I have scoured the manual but it does... [Read more]

Boiler Shut Down?

I had an Ariston Combi Boiler fitted a while ago (2/3 Months).The Bungalow is up for sale so the system at the... [Read more]

no hot water ferroli optimax 38?

New optimax 38 ferroli boiler has no hot water. Heating fine but fault code d1 and d2 on screen?

IGNITION FAILURE?

I have a two year old Ariston Genus H E 32MFFI and when i open the hot water tap it fires up for a few seconds... [Read more]

What is an F4 fault on a 24CXI GLow worm combi boiler? ?

Hi please please can someone help. The combi boiler we have flashed an F4 code, since then we have had no heat... [Read more]

ongoing problems with ferroli optimax he 31c boiler?

I was getting code f40 , pressure was at 3+ , so i drained system, pressure was at 2, now i am getting code fh... [Read more]

A01 fault code on ariston micro genius?

hi could anyone help me i have an ariston micro genius 24HE MFFI and it is displaying a fault code A01 It see... [Read more]

My glowworm 30cxi wont ignite! ?

The pilot appears to have gone out on my combi boiler. A red flashing light appears above the LED display w... [Read more]

How can I fix my Vaillant boiler Turbo max plus 824E?

After switching off boiler ( to remove radiator) and re - filling via the filling loop, the hot water is inter... [Read more]

Potterton Promax Fault Code?

My Potterton Promax is displaying fault code E19. Does anyone know what this means? the hot water is not worki... [Read more]

Failing hot water on a Saunier Duval F30E Themaclassic combi?

I have a 4 yr old Saunier F30E standard combi running on natural gas and the hot water is failing dismally. Ho... [Read more]

Vokera Linea 28 boiler fired up when heating "off"?

A Vokera Linea 28 boiler was set to "domestic hot water" only, ie the heating was set to "off", but the boiler... [Read more]

Saunier Duval Codens F30 heat exchanger?

My Saunier Duval Codens F30 is always depressurising and also, when it works for sometime, it shows a fault co... [Read more]