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  1. U

    Biasi riva advance he help needed.

    One more observation, if I start the hot water before turning boiler on than boiler still go to lockout. Only if I remove the micro switch and than turn on the boiler, turn water on, push the switch manually than only burner starts and hot water comes.
  2. U

    Biasi riva advance he help needed.

    Hi, I have a riva advance he almost 10 years old. Couple of days ago house electricity tripped at mains and after resetting every thing was working but boiler. A 3.14 fuse was blown on pcb. I replaced the fuse and with help from older posts here checked that pump is failing to start thus...
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