Question about Coffee Makers & Espresso Machines
After cleaning brew unit it now won't go back in cleanly, and the warning light comes on. It seems like something in the mechanism has moved and I can't work out how to re-position the mechanism to get it to fit back in properly
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Posted on Jan 02, 2017
SOURCE: BrewUnit Blocked Error
The brew unit sensor may have become disconnected from the main circuit board. If you are very brave, you can UNPLUG THE UNIT, remove the top panel and check that all the wires running into the circuit board are connected.
Otherwise, the sensor may have failed and this will require service.
Posted on May 05, 2008
Try to put in the dregsbox and driptray to the machine, close the door and turn on the machine.
When the machine not get any more noise then you can open the door and put in the brewing unit.
Posted on Sep 25, 2008
SOURCE: Gaggia Synchrony Brew Unit Block
You have got the gears out of alignment. You don't really want to take
out brew group unless at end of cycle. You can fool machine to get brew
group back in.
Here is how :
BREW GROUP REMOVAL AND DRIVE GEARS ADJUSTMENT
FOR AUTOMATIC MACHINES
If you ever find yourself in need of removing a Brew Group that has jammed. This will assist you in doing so correctly.
To fix this problem follow these simple steps:
You will need a #1 Philips screwdriver
1.) First, open the door on the machine and remove the drip tray and dredge drawer
2.) Locate the nickel size hole in the brew group. It will have an "N" next to it. At the 9 o'clock position, you will see another hole about 1/3 of the size of the first. Directly behind this hole, or about an inch up depending on the position the machine was stopped in you will see a single philips head screw. You may have to look around the side of the brew group to locate the screw as it is not always visible from the smaller hole. Remove this screw; it holds a small coupling water inlet (it is similar looking to a tobacco pipe) to the brew group.
3.) Remove the brew group by pressing/pushing (depending on your machine) on the part that says “Press" or "Push”. Pull firmly and straight out. Be cautious to not break the brew unit. Also be aware of the door of your machine as it can break as well.
4.) With the brew group out, remove the small coupling water inlet (tobacco pipe) that is probably still stuck to your machine and reinstall it in the brew group as it was before. Make sure the screw is installed snugly but not too tight.
5.) Turn the brew group around so you are facing the back. Now imagine what a check mark looks like, the top we will call position A (longer part of the checkmark) and where the checkmark ends (the smaller portion) is point B. You will notice what looks like a large checkmark where the coupling water inlet is located. The water coupling can slide up and down in this checkmark opening. The water coupling should be in the B position.
REINSTALLING THE BREW GROUP
To do this, the gears will have to be reset to the start position. In order to do so, you will have to bypass the three micro-switches (Brew Group, Dump Box and the Door switch).
Bypassing the micro switches:
1.) Looking at the back-side of the brew group, not the side that says "Push" or "Press," you will notice something fin-like or nose shaped. This piece fits into a keyhole or coin slot looking slot in the machine and that is where the brew unit micro-switch is located. Take something like an index card, envelope, or folded up piece of paper, and insert it into that keyhole so that it will trick the machine into thinking that the brew unit is installed. Start the piece of paper at the top of the slot and slide it to the bottom of the slot. The paper should be thick enough so you can let go and it will remain in place. Leave this object in there until the following steps are complete.
2.) WITHOUT putting the brew group back into the machine, reinstall the drip-tray and dredge drawer and close the door.
3.) After doing so you can then turn the machine ON. At this time the gears will begin moving until they return to the correct start position. At this point remove the object from the keyhole position and you can now reinstall the brew group. If the brew group does not go back in correctly, try a few more times. The machine will return to its home position. Note: The two large spokes of The brew drive shaft should in the Up position
At times, the gears in the brew drive assembly will not complete the cycle to the proper
start position for different reasons. Some of the reasons are:
• Brew group jammed or blocked
• Either one of the micro switches in the brew drive have gone bad.
• Brew drive motor Failure.
• Broken teeth on either of the brew drive gears.
• Dirty brew group, covered by coffee grinds.
• Brew group or gears not lubricated.
• Connections to the board from brew drive assy., or motor have gone bad.
A jammed or blocked brew group happens when the brew group starts the cycle but doesn’t finish it.
Posted on Nov 29, 2009
Try pushing on the upper left side of the brew unit when its installed. If you hear a click, it should have cleared the light. If so you need to lubricate the outlet pipe on the brew unit. It is dragging on the brew unit when you are trying to install it. This will allow it to seat correctly. Use a food grade lube like what came with your Saeco.
Posted on Dec 01, 2010
If you make a pre-ground shot but don't put any coffee in it, and it does the same thing you have a blockage in the brew head.
If it run's normally, your grind is to fine. Push the grinder lever to a larger number. It takes 3 times to change to the new grind.
If it still dribbles, remove the brew unit (behind the door)
Holding the handle, the top left side is the brew head. There is an outlet pipe that exits the backside towards the machine (looks like an "L" pipe). 2screws hold it to the top. Remove the 2 screws while holding the manifold ("L" pipe assembly). Once they are removed, lift the l assembly off (becareful, there is an O-ring, spring and inside a crystal ball (don't loose it or your out of luck). Turn the brew unit upside down while holding the brew head in your other hand and the crystal ball should fall out. If it doesn't come out put a towel down and tap the brew unit on the towel. This should force it out.
Now remove the brew screen, by holding the screen with your finger and twisting the thumbscrew (remember thumbscrew, DON'T use the key to install the screen, use your fingers.....
Once the screen is out look at where the screen was. There are 2 holes. 1 big one in the center and a small one to the side.
With the brew unit upside down over the towel insert a paperclip into the small hole and force anything out the other side. I have gotten worms almost a 1" long from this passage. The paper clip has to go from this side to prevent damage to the seat on the other side.
Clean then reassemble. Brew unit on towel right side up. Drop the crystal ball in first. Then the spring small end first on the crystal ball.
Now the O-ring over the spring, then place the manifold on top of that with the pipe towards the machine. Insert your screws (I turn them backwards a little with a little downward pressure until they feel like they drop into the threads. They should turn down easily, if not back them up a little more ( we are trying to find the old threads) and tighten. Install screen, and tighten with your fingers. The screen just needs to be flush with the bottom of the brew head.
Run another pre-ground without the coffee and rinse it out. Do this once in a while to prevent this
Posted on Dec 28, 2010
Testimonial: "It was the grind! I had already cleaned the brew head. Many thanks!"
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