How to mend ... Fault Boiler Going

vokera 24-96 flowmatic?

My combi boiler occasionally won't fire up for heating but always works ok for hot water. When the fault occur... [Read more]

Intrmitent hot water whilst running the shower or taps?

I have worcester 28i RSF combi boiler, Approx 7 years old, The hot water cycles hot and cold at about 30 sec... [Read more]

What is fault code 'd' on a ferroli boiler optimax 25?

Heating doesn't work but water does.

What is Fault Code "d" on a ferroli optimax 25 c boiler?

I cannot get my central heating to work although my hot water seems fine. The display is showing a d which doe... [Read more]

how can I fix a fault on 35ci combi boiler?

can you supply a diagram of the above boiler,due to leakages?

help me f10 fault?

the glowworm 30ci boiler is 3 years old and we have no heating and hot water and the boiler was flashing F5 we... [Read more]

Worcester Bosch 24CDi, switches off during HWD?

I have a 24CDi boiler, which lately has been switching off when hot water is demanded. It switches off and bac... [Read more]

sabre 35 he combi boiler ?

i.v still got a problem with ignition on my combi iv tried cleaning the tubes & venturi i,v tried a new differ... [Read more]

advice on fitting new Air pressure switch & fault finding information?

As an engineer I have to fit a new Air Presssure Switch to the Potterton Netaheat 10/16 electronic I would lik... [Read more]

boiler fault ariston a/23 mffi?

Dear all, Could you please advise. My daughter has a Euro combi A/23 MFFI boiler that works for... [Read more]

Chaffoteaux MX2 24FF Misfiring Safety Feature?

I have a Chaffoteaux MX2 24FF combi boiler that keeps tripping off and the fault code indicates a 'misfiring s... [Read more]

Baxi 105e - Flashing HW LED?

The normal graan hot water led keeps flashing after a demand for water. The boiler is firing and eventually th... [Read more]

My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]

Vaillant Thermocompact 628e Delay Mode Fault 5.53?

HELP!! My family and I have had 3 nights of freezing cold as our Vaillant keeps igniting then switching off... [Read more]

Potterton Profile 50e tripping?

I have a Potterton Profile which runs fine most of the time, installed 1997 running on natural gas. Every n... [Read more]

How can I fix my Baxi Combi 105HE boiler?

The heating has suddenly stopped working today. We have a combi boiler and the hot water still comes on insta... [Read more]

Getting the pressure down on boiler?

Hi my combi boiler is reading 3 which says fault in the hand book. How do i get it down? It was too low and ... [Read more]

baxi main 30 boiler?

boiler cuts off itself then ihave to switch off and on then resetting switch to activate again what is the fau... [Read more]

Can anybody help with a Vaillant boiler with a fault code f33 ?

My Vaillant boiler (ThermoCompact) has a fault (again) of f 33. I am painfully aware of what it is (the last ... [Read more]

Micron 40ff heating up then cooling right down before starting up again. ?

Please help I have a Micron 40ff with radiators with TRV's & a room stat, I replaced the old style PCB about 3... [Read more]