How to mend Bosch 28i

worcester 28i (2005)?

cutting out after 10 mins spark does not stop

2

burner light off - blue light flashes 5 times Greenstar 28i Junior WB?

Our boiler has no indicator burner light on (hence no heating/hot water)! I held down the maintenance button,... [Read more]

1

worcester 28i?

boiler keeps locking out have installed a new pcb but same problem pump ok fan ok have gas at boiler no spark ... [Read more]

3

My Greenstar 28i junior pressure is wobbly?

Hi, The pressure on the gauge keeps dropping below the green area every day, but when the heating is on it s... [Read more]

1

Treatment?

I have a worcester green star 28i junior and I want to put treatment into it but don`t know which part to put ... [Read more]

1

how can i fix my worcestor 28i junior boiler?

my heating keeps going on then clicking off and it cant keep the hot water constant? i have checked the pressu... [Read more]

1

hot water problem?

i have got heating but no hot water in a worster junior 28i its heating the water but not coming tho to the ta... [Read more]

1

Replacing Pressure Gauge on WB Greenstar 28i?

I've just had a repair and service done on my Woster bosch greenstar 28i and every thing is now working ok. A... [Read more]

2

Greenstar 24i junior/28i junior problem?

Hi there, The hot water is working in our flat with Greenstar 24i junior/28i jr boiler but heating has been... [Read more]

my central heating will not start on my worcester bosch greenstar combi 28i?

the central heating will not fire up on my central heating greenstar 28i junior, I had a similar problem last ... [Read more]

1

Boiler not firing up?

Hi, I have a 28i with a drayton wireless thermostat system. The thermostat is working fine as I have checked ... [Read more]

1

how can i fix my greenstar 28i junior boiler?

the boiler wont fire up when i turn the heating on, but it does fire up for the hot water

3

i have a 28i junior greenstar and the blue light is flashing rapidly ?

my greenstar 28i junior has a flashing blue light rapidly only after a minute of turning on and i have no hot ... [Read more]

combi 28c?

the hot water comes through for a few minutes then the boiler cuts out cold water then comes through after a ... [Read more]

1

how can I fix my Worchester Bosh 28i?

water tap accidently knocked and constantly filling for over 24 hours, now tanks drained to 1.5 bar we cannot ... [Read more]

when I turn on hot water tap, I hear a big noise, like a explosion?

My boiler is (worcester bosch 28i RSF), and it is 6 years old by now, regularly has been serviced and works wi... [Read more]

2

NO DHW from my greenstar 28i?

There is no hot water from my greenstar 28i The heating is working fine . When the tap is turned on the boil... [Read more]

1

Have a greenstar 28i junior reset button is flashing what does this mean?

The reset button is flashing red and the blue light also flashing. No green ignition light is coming on so hav... [Read more]

Turn on Bosch Greenstar 28i Junior Boiler?

Im trying to get the boiler to stay on, but everytime I let go of the switch, its turning itself off! How do ... [Read more]

timer not working greenstar junior 28i?

central heating not coming on with the the timer switch could it be something simple or will i need anew time... [Read more]