How to mend ... Fault Boiler Going

my boiler has a low fan speed fault?

how do i sort out my low fan speed fault

Boiler or Thermostat?

When I switch on my boiler it fires up but the fan starts, the ignition light fires up the gas burners and the... [Read more]

potterton kingfisher boiler starting fault?

potterton kingfisher boiler wont start, just keeps clicking, has pilot light on

max of 50 degrees hot water?

I have a Baxi 105 HE combi boiler about 6 years old. The hot water and central heating water only gets up to ... [Read more]

potterton profile 40 NG intermittent firing ?

my potterton profile 40 NG boiler has recently developed a fault where the fan intermittently fires up as thou... [Read more]

Glowworm Ultimate 70ff won't cold start properly?

I have replaced the air pressure switch and the pcb and still I have a problem. When the boiler comes on from ... [Read more]

how can i fix my bosch worchester 24cdi boiler?

The water Led is flashing 5 times per second the guide says Air Flow fault (RSF) or FLUE GAS Spillage (OF)

Vaillant Ecomax boiler - Fault Code F22 - Please help?

Major probs with my ecomax boiler. Over 2 weeks ago, when in shower noticed problem whereby hot water would ru... [Read more]

Potterton profile boiler fault?

My potterton boiler fires up and then shuts down after 10 minutes.Should i replace the gravity hot water/pump ... [Read more]

how too test a thermister?

operation on the boiler show signs that the fault is the thermister. how do i test it.

Glow worm 18hxi boiler with f5 fault light?

After a problem with my fuse box, my heating is not working, I have checked the boiler (Glow worm 18hxi) and I... [Read more]

Glowworm Ultimate 70ff?

My boiler goes to reduced burn, not on fault finding. All things appear to run OK. When powered off for 30 sec... [Read more]

how can fix my ferroli he 26 c boiler?

the fault code A01 keeps coming on, but if i unplug it between uses it is ok thanks

my boiler is saying f15 there is no deris in fan?

We have a ferroli optimax HE31 it is showing f15 which is fan fault the fan is free from debris do i need a ne... [Read more]

How do you change a flow sensor on a ferroli Optimax HE plus 31C Boiler?

We have a Ferroli Optimax He Plus 31C boiler and it keep Flashing a F14 fault which according to the manual is... [Read more]

What is fault F25?

Electric went off for four hours but unable to get vaillant ecotec boiler back on. Fault F25 shows. Any ideas?

Sime EcomfortHe boiler 18mohts old?

heating working ok but intermittent fault with hot water, sometimes none sometimes ok

baxi 105he will not give hot water unless the heating is already on ?

the boiler will not fire up when the tap is turned on unless the boiler is already lit for the central heating... [Read more]

Glow-worm 18hxi boiler showing error code 26 see full detail?

I have had problems recently with error code F5, seem to have this sorted now but am now getting Error Code F2... [Read more]

My Potterton Envoy 40 is showing an error P. What could be the fault?

My Potterton Envoy 40 failed today where it was just indicating a "0" when in the on low position. After swit... [Read more]