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  1. M

    Ravenheat RSF 100ET (Intermittent) Flame Failure Problem

    No, not a silly question at all, I had wondered about the flue. It goes straight out through the wall and projects about 4" into a well ventilated (windy) passage. I can't see any correlation to rainfall, I don't think there was much over the last ten days (when it's been misbehaving) and it...
  2. M

    Ravenheat RSF 100ET (Intermittent) Flame Failure Problem

    Thank you. It fired up tonight so all is well at the moment though I don't expect it to last. The engineer can't come until Saturday and may well decide he's got more urgent jobs if it continues to work (he's busy!) but if it doesn't the prospect of five freezing kids is not a happy one!
  3. M

    Ravenheat RSF 100ET (Intermittent) Flame Failure Problem

    No, it's not still under warranty, unfortunately, nearly two years old. My Corgi plumber reckons he can't fix an intermittent fault without guessing and I'm a bit worried he might go straight for the PC Board and if that doesn't work decide "Oh it must have two faults then". Or three even.
  4. M

    Ravenheat RSF 100ET (Intermittent) Flame Failure Problem

    Flame failure light comes on. So I reset, turn off the power, turn back on. 1) Call for heat, pump runs, fan doesn't, FF light comes on after a few seconds. 2) DON'T call for heat, FF light still comes on after a few seconds. This problem started a few months ago, so I took it all to...
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