Question about Gaggia MDF Electric Burr Grinder

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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

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  • 46 Answers

Take it apart again and check all the connections and switches, security shut-offs, and THE THERMAL SWITCH. A very small and cheap electronic device that takes and overload and will shut your system down, whatever it is. Very easy and quick to replace.

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

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SOURCE: Gaggia MDF Electric Burr Grinder

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.

Posted on Dec 13, 2008

SOURCE: how can I clean my Gaggia burr coffee grinder?

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.

Posted on Feb 12, 2010

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1 Answer

Our Saeco Vienna Superautomatica sounds like it's grinding beans but keeps running until the red 'bean' light comes on and we have to shut the machine off. Any suggestions?


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...

Oct 18, 2014 | Coffee Makers & Espresso Machines

2 Answers

Why does no brewed coffee comes out? bypass preground does work


- coffee-channel is stuck.

check google for calibrating/cleaning your gaggia.

Aug 27, 2014 | Gaggia Titanium Espresso Machine

1 Answer

How do I reset the burr grinders correctly after taking the machine apart for cleaning?


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.

Mar 06, 2011 | Gaggia MM Electric Burr Grinder

1 Answer

How do you change the grind on a gaggia coffee grinder?


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.

Jan 03, 2011 | Gaggia MDF Electric Burr Grinder

1 Answer

I took the grinder apart and realized that there is no mark as to where set the initial burr setting. It does not seem to be that you screw it down as far as it will go. the adjuster spring simply gets...


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

Dec 07, 2010 | Gaggia MDF Electric Burr Grinder

2 Answers

My grinder just stopped grinding... turned it on, heard a "Chunk" sort of sound and it stopped grinding. Timer works and light comes on but no grinding. I also cannot unscrew the top portion to look and...


  • 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.

Oct 18, 2010 | Mazzer Coffee-grinder SUPER JOLLY Electric

3 Answers

How can I clean my Gaggia burr coffee grinder?


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.

Dec 10, 2009 | Gaggia MDF Electric Burr Grinder

1 Answer

Calibrate sm 90 coffee grinder burrs


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.


Nov 17, 2009 | Coffee Makers & Espresso Machines

1 Answer

Grinder is slipping.


  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.

Aug 02, 2008 | Gaggia MDF Coffee Grinder

3 Answers

Gaggia MDF Electric Burr Grinder


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.

Aug 18, 2007 | Gaggia MDF Electric Burr Grinder

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