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My Greenstar 25Si/30Si blue light flashing tried switching
My Greenstar 25Si/30Si blue light flashing tried switching on and off and also resettting no change … read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Our Worcester Greenstar 30Si boiler has gor the reset light
our Worcester Greenstar 30Si boiler has gor the reset light flashing and a the blue light slowly flashing. Pressing reset doesn't fix it. What is the fault please?… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
I have a worcester greenstar 25si and have just tried to
hi - i have a worcester greenstar 25si and have just tried to turn CH on and it doesn't fire up. hot water working fine.… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Rick I have a greenstar 25si boiler and the PRV triggered
Rick I have a greenstar 25si boiler and the PRV triggered yesterday i reset it and repressurised the system but now both CH and DHW are intermittent. No flashing lights checked to see if condensation … read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
I have a Greenstar 25si/30si boiler. Hot water works fine but
I have a Greenstar 25si/30si boiler. Hot water works fine but no heating and the burner on indicator light is off. Can you help?… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
re 25Si Con. boiler loss of guage pressure, No leaks from Rads.
re 25Si Con. boiler loss of guage pressure, No leaks from Rads. or pipework & overfill,topping up daily.… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi Rick. I have a 3 year old WB Greenstar 30cdi system boiler. It
Hi Rick. I have a 3 year old WB Greenstar 30cdi system boiler. It powers CH and a large MegaFlo tank. All good for past 3 years. 3 weeks ago, DHW went cold. Fiddled with the honeywell auto supply valv… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
hi we have just moved into a house with a Worcester Bosch Greenstar
hi we have just moved into a house with a Worcester Bosch Greenstar 30si boiler. It has an MT10RF wireless transitter thermostat on the landing wall. The lady before us said she always had the heating… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi. I have a Worcester Greenstar 30Si wi-fi thermostat optimiser.
Hi. I have a Worcester Greenstar 30Si wi-fi thermostat optimiser. Hot water works, pressure reading on boiler OK. It is only firing up when, it seems, at the * temperature (in the middle of the night)… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
I have no hot water supply, DHW or CH, from my Greenstar CDi
I have no hot water supply, DHW or CH, from my Greenstar CDi boiler. At 08.10 this morning the display code was U9 stepping downwards to U0, then from 99 down to 77 at 09.20. Pressure guage continuall… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hello! I have a year-old Worcester Bosch greenstar 25Si with
Hello! I have a year-old Worcester Bosch greenstar 25Si with a Salus RT00RF digistat, which doesn't seem to be working to programme. The boiler does not 'switch off' when the thermostat indicates no h… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
I have a Greenstar 25si/ 30si combi boiler. About an hour ago
I have a Greenstar 25si/ 30si combi boiler. About an hour ago it made an unpleasant noise and I turned it off at the wall. Now realise there is no pressure and the burner isn't lighting when I reset. … read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
hi, i have a greenstar 25Si/30Si combination boiler the blue
hi, i have a greenstar 25Si/30Si combination boiler the blue light is on but it won't fire up after pressing reset button. There's no pressure after bleeding radiators?… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
2,708 satisfied customers
I have a Worcester Bosch Greenstar 30Si condensing combi boiler,installed
I have a Worcester Bosch Greenstar 30Si condensing combi boiler,installed 6 years ago and last serviced 3 years ago. After yesterday noticing that no hot water and CH not working, checked boiled and s… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Greenstar 25si/30si, hot water initially then only cold water, help?
I have a greenstar 25si/30si when I turn on my hot water it takes a minute or so to heat up, it runs hot for a few minutes then runs cold for a few minutes it continues to run like this. The problem o… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
2,708 satisfied customers
Hi, I have a Worcester Bosch Greenstar 25Si/30Si combo boiler.
Hi, I have a Worcester Bosch Greenstar 25Si/30Si combo boiler. The pressure had dropped so I opened the valve to put it up to 1.5bar. The next time I checked it was up at 3 bar and has stayed there si… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
I have a greenstar 25Si/30Si boiler. We have been away for
I have a greenstar 25Si/30Si boiler. We have been away for two days and come back to find no hot water or heating. The main blue light is flashing rapidly and the pressure is on zero. We have tried re… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hello. I have a Greenstar 25Si/30Si Condensing Combination
Hello. I have a Greenstar 25Si/30Si Condensing Combination Boiler with a Boss Therm Programmable Room Thermostat (BPS242RF) and a Boss Therm BR1 Receiver. Problem, lots of hot water on tap (sorry), bu… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
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