Sounds like the switch is sticking. A drop of lube on the shaft behind lever where the wheel follows the arc would be my first thought. It happens on mine once in a while too.
On Monday, October 13, 2014 at 5:21:09 PM UTC-5, Rieka S wrote: > > Hello, > > I have a Brewtus II and I recently replaced both a leaky OPV and then the > Ulka vibe pump. Since then, I am unable to get the brew consistent pressure > as I used to when I had the machine completely dialed in for beautiful > shots. > > First, the pressure was varying up and down during brew cycle, and after > turning the OPV adjustment up and down all the way several times, the > pressure now is mostly steady during a shot. However, when the wand is > pulled down to complete the shot, the water in the brew head is not > completely expelled, and the machine brew pressure gauge holds steady at > the brew pressure of around 9 bars. For the pressure to drop down to 1-2 > bars, I have to quickly lift the wand up and down again, and let little > water drain out of the group head drain. > > This behavior is also evident when back flushing - earlier the back flush > ended with a strong "whooosh!" and expelled the water with considerable > force from the drain. Now, the outflow of the water from the drain is not > strong, but ends more with a slow stream. Again, the pressure is not strong > enough when the brew wand is pulled down again. > > The spent grounds in the portafilter loose and watery top surface - not > like a dry puck that I used to have earlier. > > Any thoughts on how I can solve this pressure problem? I have made sure > the water lines are not kinked, I have also replaced the rubber gasket in > the group head sieve. > > Any thoughts/help much appreciated! My shots are nowhere near the > beautiful ones I used to have!! > > Ken. > > > > > -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/brewtus. For more options, visit https://groups.google.com/d/optout.
