Em6910 from a mate,It was quite dirty with build ups so gave it a quick clean, but no backwash at this stage. Cleaned the shower screens and the valve [blue tip] behind the screens, that was all good it has great steam and hot water, no water leaking anywhere, ran some vinegar through it. With the group head in, the seal feels quite good and water comes through everything, every which way.
BUT with a shot of coffee in group handle, even changed group handles from my machine, NO water/coffee comes through but the water is redirected to the tray. It seems as if there is a pressure issue with coffee in but not with coffee out?
Would anyone have a clue what is the next step.
I am doing a back wash now with last of my SB tablets, I have Cafetto on the way and will do a more thorough clean when that arrives. Thanks any advice would be appreciated.
BUT with a shot of coffee in group handle, even changed group handles from my machine, NO water/coffee comes through but the water is redirected to the tray. It seems as if there is a pressure issue with coffee in but not with coffee out?
Would anyone have a clue what is the next step.
I am doing a back wash now with last of my SB tablets, I have Cafetto on the way and will do a more thorough clean when that arrives. Thanks any advice would be appreciated.

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