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Fault Code for Breville BES980

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  • kamold
    replied
    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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  • kamold
    replied
    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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  • noidle22
    replied
    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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  • kamold
    replied
    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?

    Leave a comment:


  • kamold
    replied
    Seems I make have made a premature declaration of health...made one cup of coffee yesterday however this morning got the same fault again.
    I checked that the solder joints are still secure but it's still starting now with 'service Err'
    Any ideas what the next most likely cause might be?

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  • kamold
    replied
    Took a little while to remove and disassemble the steam wand to get the wiring but I soldered it back on and now machine is back to 100% health!
    Much relief given the impact on sanity the daily coffee has with the house all of a sudden full of work and school from home family...

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  • kamold
    replied
    Thanks I took the top off and as you've presumed, the wiring is indeed snapped clean at the wand end. Will pull it all out and solder back on as a temporary measure until I can get a full wand assembly.

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  • noidle22
    replied
    Originally posted by kamold View Post
    Now have a 'service Err' on startup.
    Err on startup is a steam wand assembly fault, usually a break in the wiring for the thermocouple in the end of the wand, as your findings have evidenced.

    You can't order components for the inside of the wand, it just comes complete as a whole new drop-in unit. Quite a lot of wiring and connections need to be redone when you replace the wand but it's not a hard job, just can take some time.

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  • kamold
    replied
    Hi I have a BES980 that's been going well for a number of years.
    Now have a 'service Err' on startup.
    After entering the service menu (hold 1 and 2 cup buttons while pressing power for 4 seconds) and the fault appears to be A16.
    Without having any reference to this it also appears that if I physically fiddle with the steam wand temperature probe wiring and cycle power it will start working again.
    However as soon as I push the temperature nozzle back into the wand it faults again.
    If anyone has a fault reference to confirm or deny that the steam wand is the culprit that would awesome. Can order the wand assembly complete and seems like a straight forward replacement once top of the machine is off.

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  • Dimal
    replied
    Boy!
    There's a few parts in these babies...
    Just had a quick look through the parts manuals.

    Mal.

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  • Javaphile
    replied
    If it's the same as the 900/920 I think there's 2 different size o-rings. At least that's what I seem to recall reading in their threads. But...never having worked on them it would be a good thing to double check me on that.

    These might be helpful to you: https://coffeesnobs.com.au/documenta...-pictures.html


    Java "Good luck!" phile

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  • kakaduway
    replied
    Originally posted by Javaphile View Post
    The more likely culprit is the group head element triac PCB. That seems to be a common problem due to moisture getting on it from leaking o-rings on the boilers. I'd replace all of them as well as long as you're diving inside.


    Java "Do 'em all, o-rings are cheap." phile
    thanks for your knowledge, i run accross old coffee machine all the time and i used to throw the duds away, and this time i got two nearly identical one with different issues so i thought i'd try to tackle a repairing projects
    i will order a whole bunch of o'rings i think 007 is the size needed.

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  • kakaduway
    replied
    Originally posted by level3ninja View Post
    What is it about an over temperature alarm that makes you think you should change out the solenoid? Sounds like you should be leaving it to qualified people
    following some youtube tutorial and i am of course a beginner but you have to start somewhere.
    i bought the two machines for a really cheap price ($50 for both) and it will teach me how to service and repair a coffee machine.
    thanks for the feedback and i wish i could pay for a repairer but most around my area want $200 just to look at the machine...

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  • Javaphile
    replied
    The more likely culprit is the group head element triac PCB. That seems to be a common problem due to moisture getting on it from leaking o-rings on the boilers. I'd replace all of them as well as long as you're diving inside.


    Java "Do 'em all, o-rings are cheap." phile

    Leave a comment:


  • level3ninja
    replied
    What is it about an over temperature alarm that makes you think you should change out the solenoid? Sounds like you should be leaving it to qualified people

    Leave a comment:

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