Recent content by takeyourvitodens

Yeah I would actually prefer to see a resistor split in half or a bad joint and just repair it with some solder or use the incoming board to replace a component. I'm also wondering if a RF shield would help as I read this is also a potential interference issue.

I have a Viessmann Vitodens 100 WB1B without the combi plus. Currently it is throwing an FF error. This happens after 3 tries on its own to start up. It gets through the first few steps, I hear what sounds like an ignition (like when you turn your gas stove on) but it does not hit the step where...