by dstaver on Tue Apr 19, 2011 2:22 am
A few days ago I needed to make a press pot for some guests, so I set my vario to press pot position and made the coffee like usual. When changing back to espresso however, coffee was spraying everywhere and the grind was way too coarse. No amount of adjustment to the macro or micro levers helped. Time to get familiar with the calibration screws.
I guess after over a year of daily use the screw had loosened somehow. I could move the screw and the metal component it's attached to around with my finger. This didn't seem right, and I was worried something might have broken. I had no idea which position it was supposed to be in, so I just moved the screw inward towards the machine, until everything felt like it was firmly in place again and tightened the screw. Then I used the secondary calibration screw to fine tune. This was actually really easy, and it didn't take me long to get my machine back to the exact same settings I'm used to.
I'm really glad I found this thread, otherwise I wouldn't have known what to do.