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No noise at all when I turn on the boiler. There are valves going into it, gas and what looks like water. Pressure is down to 1. Not sure if it has an external clock or not, how will I know?

When I turn it off from the master switch all the lights momentarily come on for a second, then nothing.

Hi, my Greenstar 12i has stopped working. No fault lights at all? I turned off the cental heating during the day because it was getting to hot, turned it back on and nothing. I have re-set boiler and turned off then on and still nothing, the house is freezing. Would it be the out side pipe? I...

Hi, my Greenstar 12i has stopped working. No fault lights at all? I turned off the cental heating during the day because it was getting to hot, turned it back on and nothing. I have re-set boiler and turned off then on and still nothing, the house is freezing. Would it be the out side pipe? I...