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Fault Code for Breville BES980

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  • #16
    Originally posted by kamold View Post
    Whilst the fault code is the same, it now only appears to come up when the machine is hot. If it's started from cold the machine starts up and comes up to temperature OK.
    My feeling now is that the PCB that sits under the top of the machine would be the next best thing to try.
    I think this is called the TRIAC PCB assembly? Does that sound correct?
    Fault code 16 is a steam wand NTC short circuit. I would be suspecting there's an issue with the soldering repair you carried out. How close to the sensor was the break? Did you thoroughly insulate the soldered areas so no moisture could get to them? It's also possible there can be other breaks in the wiring.
    A common one is at the top of the machine where the NTC wiring exits the wand, there's a cable tie that holds it to the side of the chassis. Sometimes they didn't allow enough slack in the wiring and the point where the cable tie holds the wire can stress it. Repeated stress can damage the wiring internally and cause an intermittent break.

    I would suspect your issue is still related to the steam wand system. The triac board is unrelated to the steam wand. If you have had internal steam leaks then the triac board can be damaged but this will show up as overheating or failure to heat (due to overheating blowing a fuse).

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    • #17
      OK thanks for the reply.
      It had broken the wire that is crimped and then screwed onto the steam wand on the pivot mechanism. (it had green and yellow braided insulation and then black heatshrink down the end in the wand. Connects back up to a relay at the front and then on to a screw point which then connects onwards in turn to another relay at the back )
      Was a clean break presumably from stress/vibration where the heatshrink ended and the crimp started. I stripped and soldered it back onto the crimp. Given the crimp is not insulated I didn't bother applying any more insulation there. (assume this is a ground wire)
      I've got a new wand assembly on order will replace that when it arrives and report back. The NTC thermistor loop must be 90% failed I suppose.
      Last edited by kamold; 27 March 2020, 12:48 PM.

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      • #18
        Just to follow up:
        Received my replacement steam wand assembly and swapped it over - machine is happy and working 100% again

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