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Device page for Breville Dual Boiler BES900 - BES900XL, encompassing repair guides and troubleshooting help. Released in 2018.

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Pressure gauge not working

Pressure gauge on my BES830XL/A does not work. Tried descaling with no effect. Also used cling wrap test to verify that the gauge itself in not working.

Assume pressure port somewhere is clogged not allowing the gauge to work. Any ideas on fixing this problem.

There is no movement on the pressure gauge.

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i also have a non reading gauge, coffee water flow is perfect, coffee still tastes how it always has but i just do not have a reading on the gauge. could it be a blocked gauge line?


My Sage / Breville Barista Express (SES875) had the same problem: totally unresponsive pressure gauge. Otherwise the machine seemed to work as usual. I was able to revive the gauge on my machine by simply running the automatic clean cycle (one cup filter with rubber disc and cleaning tablet etc.) as instructed in the manual. During the cleaning cycle, the pressure gauge is supposed slam up to max pressure several times. If you can see thing happening, then the fault does not lie with the gauge itself, and hopefully it will start working normally again when making coffee. In my case, I suppose it had just got stuck somehow because the machine hadn't been used for a good while.


Would this same process work with the Barista Express?


I have the same problem in my BES900XL dual boiler. Water filled the gauge. I waited a year for it to dry. I had the entire unit replaced 3 times. Same issue.


My pressure gauge is also not working\not moving at all even with the rubber seal in place. But coffee \ water is flowing. There is a long delay once the machine starts running until the water\coffee starts to flow.

just a faulty gauge?


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You first want to use the Rubber seal in your Dual Filter and run a test. (This basically safely chokes the machine and will create the most amount of pressure). if your gauge is in fact working then it might be your water valve.

If you don’t have any readings while running it with the rubber then i would initially suspect damaged or weak water pump, followed by solenoid.

Check the line that runs from solenoid to gauge if you dont see any water moving through there im pretty sure it will be the water pump. You can also check those lines for obstructions

If after doing these test you don’t have any readings then yes the gauge is probably shot. There’s videos on YouTube to replace. Not extremely hard to do, just time consuming disassembling and putting back together

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I've just uploaded a video doing the fix on my gauge which was "shot" but in my case it was very easily repairable.

I also managed to get the gauge out and back in again without as much trouble as Joe K had with his method.



My gauge is in fact working so I guess it might be your water valve. What do I do now?


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Ziggy wird auf ewig dankbar sein.

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