Probably 2 weeks ago my Minima started screeching when the pressure ramped to full pressure. Going a little coarser has eliminated it but was on my to do list to investigate.
A few days ago when using it, think I was flushing the steam wand, it tripped the electricity. I was investigating this morning and noticed that I now have water bubbling and hissing on top of the service boiler.
I’ll take the case off later to look but any pointers on what to look for and what to tighten or importantly not touch would be appreciated.
Could this be the opv? I am overdue a descale I think.