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  1. J

    Bosch WFL 12440 GB washing machine - no heat

    I replaced the sensor but no joy. When I measure the voltage going to the heater element wires (while disconnected from the element), I get about 32 volts. Any ideas what on the main board would cause this. I assume it is a mains voltage heater so the 32 volts should be 240. Any help would be...
  2. J

    Bosch WFL 12440 GB washing machine - no heat

    Great, thanks - might be needing that! :)
  3. J

    Bosch WFL 12440 GB washing machine - no heat

    Thanks - that explains that. But I think I've gone as far as I can for now - I have hooked up another machine for now, albeit one that works when it wants to, but that's another story. At least it will give me time over the weekend to really examine the board properly while running so I can...
  4. J

    Bosch WFL 12440 GB washing machine - no heat

    OK, I got the circuit board removed and separated the two halves of its plastic cover so now I can see inside. I see a small transformer with a diode on either side and they're both covered in soot, as is much of the board. Looks and feels like carbon from the brushes but isn't that a long...
  5. J

    Bosch WFL 12440 GB washing machine - no heat

    I'm hoping it's a relay - I'll see what readings I get there but if it is a relay and I can't replace it I guess I'll have to locate a board.
  6. J

    Bosch WFL 12440 GB washing machine - no heat

    OK, that reads 5.6 on my crappy little meter on the 200k scale but it doesn't heat up so that's the only reading I can get. Now that I can access the terminals properly, I get .024 on the 2k scale across the element. The label reads: E NR. WFL12440GB/05 FD 8409 700504
  7. J

    Bosch WFL 12440 GB washing machine - no heat

    Thanks for the reply. I am just in the process of tracing the wires for the heater to see where they connect, so I'll test it out as far as possible and hope that I come across a break in the circuit somewhere. With a lengtch of wire attached to one of the heater element wires, and the meter...
  8. J

    Bosch WFL 12440 GB washing machine - no heat

    I noticed that this machine had stopped washing properly and after testing I could see that the heater wasn't working. This doesn't interrupt the cycle, though - goes through the complete wash and stops as normal - sounds really nice from start to finish. Just doesn't heat the water and this...
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