We have a wall mounted Baxi Solo 2 PF 70 boiler which has just stopped heating the house and we have no hot water. It is 6.5 years old. All the usual lights are on EXCEPT the 'burner on' lights (and the 'overheat' light of course) . In the days leading up to it breaking down, We became aware of a sporadic buzzing type noise that came from the boiler itself. Any ideas what is wrong and more importantly the likely cost of replacing the broken parts?
Could be your multi-zone valve is not switching the 'boiler-on' signal back to the boiler. Mine did this and the first time it was a sticky valve - just needed working manually. Second time I had to repace the electronics in the valve.
biccy_boy
July 2006
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