straight away

  1. M

    Worcester Heatslave 12/14 B9 Burner - locks out straight away

    Hi, wonder if anyone can help? I have a B9 burner unit that locks out straight away, (just a faint hum from the unit then orange light comes on ) if I take the burner out and take cover off motor and spin with a srewdriver put burner back in it will fire up as normal. When I turn the motor...
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