I just disassembled and cleaned my Gaggia coffee grinder. When I turned it on to calibrate the burr plates it made a short grinding sound then stopped and now won't turn on

The grinder is timing out and stops if the beans do not enter the grinder. This happens because:
1- The grinder outlet is clogged and fresh beans cannot pass through the burrs.
2- The grind setting is too fine and helping clogging in the grinding chamber or the ground coffee outlet.
3- Operator may have been using dark roast oily beans. Like it or not, the dark roast oily beans do not make stronger espresso. Please stop using such beans in fully automatic espresso machines.
4- The grinder has already made over 2000 grinds and the burrs are blunted and not grinding beans as needed.
To solve this malfunction, clean the grinder. Make sure the grinder outlet to the doser is cleaned. This outlet passage is about 2 inches or more. To clean it, lay the machine on its back (water tank side) to allow better view of cleaning the doser and the passage of coffee from the grinder to the doser. Use the link below to find instructions for cleaning the grinder and replace the burrs.
Gaggia Titanium and Plus Espresso machines parts and repairs Saeco...

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edward_bbd2c7ff4ee1828a

- coffee-channel is stuck.

check google for calibrating/cleaning your gaggia.

WERY SIMPLE:

• turn on the grinder
• while it runs you screw upper holder until you hear metal sound of burrs contact
• you go back than for 3 points
• grind 7 grams and test it.

or>>> mark it with marker before disassembling and count the revolutions.

if it is everything in order you change the grind buy rolling the plastic container of coffee beans(container commands to upper burr holder. If it doesn't go easy than disassemble container and unscrew the upper burr holder, carefully when it comes out, you have some pins and springs from below. do not loose or displace them.

simply you screw until you hear metal sound of burrs touching each other. Than:

Grinding setting is one simple operation but requires bit patience:

1. Turn on your grinder and continue setting to fine while burrs are spinning, you stop when you hear metal to metal touch sound(burrs maximally closed finest grinding)
2. From that point go back quarter of revolution and mark the spot where you stopped with marker to body of grinder and setting plate with one line
3. Grind little amount of coffee only to fill one sector of dosser than test it at your machine (if it leaks too fast and with yellow color of cream you should go to more fine>><< if it does not leak from the filter holder or it leaks very slow you go to in opposite way.
4. You test grinding few times bit after each reset of plate grind little amount and take that in one other pot (that will provide to have pure new granulation)

After setting measure the grounded coffee that comes out from dosser it should be about 7 grams, better measurement you can get if you measure 10 doses in one place because you don't get never same amount from 6 sectors of dosser

• DIAGNOSIS
  
  
• it can be too tight stringed at burrs
• some stone or metal part with coffee went between burs
• IF IT IS AUTOMATIC, it can be one of 2 micro-switches or main relay, in this case you have power but only to middle of way.

SOLUTIONS

1. Release the burrs, grind one amount coffee with bigger granulation than go back again carefully.
2. Disassemble the upper burr holder and clean carefully, all coffee and remains put in one plate, inspect with magnet, hand and than put all that in water. (heavy parts fell down fast in water)
3. Check the switches and relay:

• Upper micro-switch has an plate and one box where it is( box might be full of coffee or the plate blocked and giving the signal of full doser every time)
• Lower micro-switch should activate every 6th pull of doser(he is below in mechanism of doser)
• Relay gets power from micro-switches when they command. even we switch on if the commandsof micro-switch says off than relay will not obey us.

For parts you can see, use an artists paintbrush. If you want to clean the internals, grind some panko breadcrumbs or raw rice grains, then run some coffee through it a few times before using.

Grinding setting is one simple operation but requires bit patience:

1. Turn on your grinder and continue setting to fine while burrs are spinning, you stop when you hear metal to metal touch sound(burrs maximally closed finest grinding)
2. From that point go back quarter of revolution and mark the spot where you stopped with marker to body of grinder and setting plate with one line
3. Grind little amount of coffee only to fill one sector of dosser than test it at your machine (if it leaks too fast and with yellow color of cream you should go to more fine>><< if it does not leak from the filter holder or it leaks very slow you go to in opposite way.
4. You test grinding few times bit after each reset of plate grind little amount and take that in one other pot (that will provide to have pure new granulation)
5. After setting measure the grounded coffee that comes out from dosser it should be about 7 grams, better measurement you can get if you measure 10 doses in one place because you don't get never same amount from 6 sectors of dosser.

PS: the pump pressure of coffee machine should be from 8 to 10 bar and steam pressure should be from 1.1 to 1.5 bar> depends on type of coffees you use.

1. take out bean container
2. disassemble 3 philips screws and take plastic out
3. rotate the knob to try to get out the upper holder of burr. if it does not rotate than disasemble the knob and the gears(plastic big one is attached to upper holder of grinder, the other is together with knob.
4. tru to rotate it manualy, with help of extra srews puted in gear holder holes.
5. when you get it out, carefuly clean it, look for metal parts and stones(wich sometime comes with coffee)

1. turn on the grinder and attach gently one marker to lower burr during spining. after you stop grinder, look if it is perfect circle marked in burr. if it is not than marked side is higher. you should consider getting it ok by putting adhesive paper under lower burr and check it again.

good luck and carefuly.

It could well be gummed up with years of coffee bean residue

Very simple to take apart. There are two screws holding the cannister. They are hidden under 5mm round rubber covers that you have to pry off. Then remove the two screws holding the plastic cover. Mark the position of the numbered dial relative to the brass burr assembly then remove it. Once exposed, you should be able to figure out why it is locked. Scrape away as much gunk as you can.