My vitodens 100w has a fault code FC which in the manual means I must replace my burner control. The boiler is fairly new 2 yrs old but this is the first year we have used it. Are there any other issues with this boiler I should know about?
We have fitted a fair number of the new WB1B, which has only been available in the UK for a year and a bit.
Haven't seen a single fault yet, it has proved to be better than the WB1A. If you have no flow, the boiler will generate a spurious fault code. Might be worth checking the pump.
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