Hi All,
Problem here,
Tried to pull a shot but the pump is suddenly a lot quieter and higher pitched and the guage barely registers a change as if the pump is way underpowered. Without the PF in place water comes through the group a lot slower than usual and the pump is still quieter and higher pitched. Switched the machine off and drained it, let it rest, cleaned the mushroom and valves etc and sitched on again, it does refill but with a much quiter and high pitched noise, water at the group but no real pressure. Any clues would be greatly appreciated. Thank you.
Problem here,
Tried to pull a shot but the pump is suddenly a lot quieter and higher pitched and the guage barely registers a change as if the pump is way underpowered. Without the PF in place water comes through the group a lot slower than usual and the pump is still quieter and higher pitched. Switched the machine off and drained it, let it rest, cleaned the mushroom and valves etc and sitched on again, it does refill but with a much quiter and high pitched noise, water at the group but no real pressure. Any clues would be greatly appreciated. Thank you.

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