GIANNESCHI. Freshwaterpump will not stop pumping?


Arthur Sundqvist
 

We have the Idromini Acb Waterpump from Gianneschi. Sometimes it will not stop, the pump continues. We have to stop it manually on the pressure switch....
I have pumped up to 2 bar and cleaned the pressure switch. When the motor or Onan generator starts vibrating the pump works well.
What fault could it be. Is it time to change the pump?
Renovate something?
Kindest regards and FAIR WINDS
Arthur Sundqvist
SM435, VISTA

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