How to mend ... Greenstar

How can i fix my worcester si greenstar combi boiler?

hi there, my heating and water are off and my Worcester greenstar combi boiler is flashing a blue light and fl... [Read more]

How do you replace a MT10 Timer on a greenstar 28i boiler?

The MT10 built in timer on my worcester 28i greenstar boiler refuses to work in timer mode(middle position) ... [Read more]

Boiler pressure will not raise when taking advised steps?

I have raised the pressure in my Worcester Greenstar 30si before. This time when I go to do it I cannot hear w... [Read more]

what is the most likely fault with a worcester bosch greenstar combi 28i?

The system was drained to fit new rads and after refilling it will not start up. Bosch greenstar 28i The blue... [Read more]

Greenstar cdi combi boiler - no pressure, pump on ?

Been on holiday. Returned to boiler pump coming on/off every few minutes. No water pressure, but can't reach t... [Read more]

How can my Worcester condensing combi boiler be fixed?

We have a Worcester Greenstar condensing combi boiler and after 6 trouble free years, water keeps going cold. ... [Read more]

resetting limiter switch?

how do you reset the safety temperature limiter switch on a greenstar worcester boiler

woresterboch 24i greenstar combi boiler?

when i put on boiler control for constant heating it will not fire up but it fires up for hotwater

C1 is flashing on my Greenstar HE combi boiler?

And it won't start up. What does this mean? If I reset it says 22 in display then as soon as it gets to 23 it... [Read more]

droneing noise Worcester Greenstar Ri?

i have a worcester greenstar Ri boiler regulary serviced, about a month ago it started makeing a loud droneing... [Read more]

how can i fix GREENSTAR 24i junior / 28i junior combi boiler?

just bled radiators for first time. Now all radiators have gone cold but heating is still on. Dont know what t... [Read more]

Blue light flashing on Greenstar CDI boiler?

The blue light is flashing on my Greenstar CDI boiler but pressing the reset button only works for a short tim... [Read more]

how do i fix my combi boiler?

Ive got a Greenstar 24i junior condensing boiler which has got no pressure since bleading the radiatiors last ... [Read more]

greenstar 28! junior fan change?

The fan makes a noisy sound, could it be failing

i have no heat or hot water on worcester bosch greenstar 30cdi boiler?

no heat or hot water on greenstar30 cdi, no fault code but will not reset. flame light not lighting rapid flas... [Read more]

Got hot water but no heat in radiators?

Got hot water but no heat in the radiators when central heating is on, it's a Worcester greenstar cdi, keeps k... [Read more]

Flashing blue light Greenstar 30Si?

Hi, We recently had a radiator moved and since this, the blue light on our Worcester Greenstar 30Si is flashin... [Read more]

Problem with hot water?

we have a greenstar 28i junior which is 2 years old. The heating is working fine but when we turn on the hot w... [Read more]

how can i fix my worcester bosch greenstar 25si?

my boiler pressure keeps creeping up over a period of 24 hours or so causing relief Vv to lift.The filling key... [Read more]

Worcester Greenstar 24i timer stopped working? Any quick fixes?

The timer on my Worcester Greenstar 24i has stopped working, it's currently stuck at 4am! The boiler still w... [Read more]