Hello, I have a linea 3av. 2years old.. this is what happens to my linea...
When the steam boiler refills the water sometimes it makes really high grinding noise.
Looks like solenoid valve is not open when the water fills... so I changed solenoid valve and check valve. everything looks perfect.. so amazing... I check cpu yesterday all in great shape. water filter checked and probe is clean... I don't know why it makes noise...
make noise when I use 20oz of water from hot water spot. or sometimes auto fills water.
Please help me!!!
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