Morne asked ... My defy dtl 125 toploader?    |    Ernie asked ... How to fix gearchange ldv maxus van 2006?    |    Cuckoo asked ... Changing batteries on a fixed bt corded phone?    |    Marc Nollid asked ... Nissan Micra mk 5 2018 rear seat mecanism?    |    Maggie asked ... New Home 535?    |    Click here to ask your question

what does f40 and f30 mean?

boiler was working night before,went to have bath no hot water. boiler is on bar is on 2 but the temperature stays at 21. the boiler is not firing up. then f40 and f30 came on when i pressed the reset button. .
kimberley, September 2007
give us a clue. What boiler make and model is it!

mrgas, September 2007
link Click here to see other fixes for F30.