On Monday, June 26, 2017 at 12:24:51 AM UTC-4, sandv wrote:
> Hello! We might have the same problem. Where did you find the microswitch? Couldn't find it anywhere. Thanks so much for your detailed description.
>
>
> On Saturday, March 26, 2016 at 9:52:38 AM UTC-7, wrote:
> > I'm sticking this here, because I could not find any instructions on
> > the web, and google does a fair job of finding googlegroups posts.
> >
> > The Capresso Infinity grinder (Model 505) is the only motorized
> > conical burr grinder under $100. Which is why its failure to function
> > yesterday caused us consternation. Basic troubleshooting revealed
> > a chunk of plastic had broken off the bean hopper. My beloved wife,
> > who is the only one to use the grinder, claimed ignorance.
> >
> > I took off the grounds recipient, and, with the torx bits of my screwdriver,
> > removed the lower burr, discovering impacted coffeegrounds underneath.
> > Still did not spin. NB: the lower burr is pushed upwards by three balls
> > atop three springs. Do not lose these.`
> >
> > How to remove the housing mystified me, but I found that it was held
> > on by five tabs, which I could depress with an old butter knife,
> > allowing me to slide the housing downwards.
> > The power cord is connected to a terminal block, which in turn is connected
> > to two blue wires. One blue wire goes to a microswitch, which is closed
> > when the bean hopper is properly installed. From there, another blue wire
> > leads to the grinding timer switch. From there, a white wire goes to
> > a little circuit board with a MZ-23 PTC thermistor on it, and four diodes.
> > Red and black wires from the motor go to this PCB.
> >
> > Measuring continuity with a VOM was not very fruitful, so I turned
> > the timer switch to 10, plugged the grinder in, and manually closed
> > the microswitch. Success! as the motor spun.
> >
> > Monday I will try to order a new bean hopper, and perhaps a new
> > microswitch, direct from Capresso.



hello i had a similar issue. I took apart the microswitch and added more material to the "nubin" with superglue and baking soda. heres how it looks first attempt. https://photos.app.goo.gl/cvMS0NhcD3pjdqc13

hope this helps anyone who sees this and cannot find a replacement microswitch.