I have had this problem, off and on, for six months.
I understand there are two possible causes: The grinder is clogged or the microswitch that senses ground coffee is broken.

Here are possible solutions:

1. Adjust the grinder to the coarsest setting. Remember to press down on the adjuster before turning and only adjust while the grinder is operating. This solution worked for me, after a thorough cleaning (2 below) did not. I hope it lasts.
If this works, thank the benevolent coffee gods. If not, curse the malevolent coffee gods and proceed to step 2.

2. Clean the bean hopper and grinder.
(a) Adjust the grinder to the coarsest setting.
(b) Disconnect the power cord.
(c) Remove the hopper. Held by one larger, silver phillips-head screw in the bottom. Remove the rubber seal beneath the hopper.
(d) Remove the top of the machine. Held by two silver phillips-head screws in the back, two black star-head screws in the top, and two black phillips-head screws in the front, behind the door. (a small flat-head screwdriver will fit the star-head screws) It may help to tilt the machine backwards to remove the top. Also, there seems to be a small plastic catch in front that holds the top that has to wiggle free. Leave the green ground wire connected.
(e) Remove the grinder. First, remove the rubber seal on top of the grinder inlet. Second, remove the two, silver phillips-head screws that hold the motor, and one silver phillips-head screw that holds the grinder adjuster. Remove the two rubber seals below the grinder. Leave the wires connected.
(f) Clean the grinder. Use a vacuum cleaner and a bent coat hanger. Gently remove all coffee debris from between the ceramic grinding teeth. Don't be rough and break something. Remove the ground coffee from the exit port. There's a silver metal door you can gently flip up and down and release a lot of ground coffee.
(g) Clean the hopper. With soap and water and a brush.
(h) Reassemble in reverse order. The circuit board is supported by two plastic prongs on the back piece.
(i) Don't use oily beans. They gum up the works. Also, I understand the oil in properly roasted beans is supposed to stay inside the bean.
(j) If this works, thank the benevolent coffee gods. If not, curse the malevolent coffee gods and proceed to step 3.

3. Replace the micro-switch. I don't know where this switch is, so I would take it to an authorized repair shop. Say a prayer to the benevolent coffee gods that there's a reputable shop nearby that will do good work at a good price in a reasonable time. Purple Turtle Coffee Co in LaPorte TX seems like such a shop when I spoke to Marylee on the phone (281-470-6555) Otherwise, curse Saeco and the malevolent coffee gods and buy another brand. Or give up and go to Starbucks.

Good luck,
- mike

Hi,

You have to mount a resistance on the power card.

/Mirran