my combi oil boiler a bosch greenstar heatslave 12/18 as a intermittent fault. (locking out)
when i reset the boiler it runs ok for a short while then locks out. then the next day it
will fire up and run ok. boiler has been serviced every year and had a new oil pump
and solenoid valve this year.
.
when i reset the boiler it runs ok for a short while then locks out. then the next day it
will fire up and run ok. boiler has been serviced every year and had a new oil pump
and solenoid valve this year.
.
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