Question about Gaggia Syncrony Espresso Machine

6 Answers

Cleaned brew unit, then reinserted unit. Now pump works (as always), hot water & steam emerge from foamer on cue, but when brewing espresso, pump stops 'pumping' and just humms. No water gets through to brew unit for pre-brew or brew. Machine finally times out, dumps (non-used grounds), and ends cycle, with a warning to 'ventilate'. No coffee, no joy.... p.s. Seemed to start after I tipped unit sideways to pour out non-caffinated beans my wife had put in.

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  • 9 more comments 
  • jcharley Sep 23, 2008

    No, I know all about the hot water/steam settings, also clearing the "ventilate" message. Pump, heater, etc. work fine on either hot water or steam. No issues. But when I go to brew, the machine grinds, prepares, prebrews and brews, but no hot water is sent to the brew unit, and the pump doesn't pump, just humms, as if it were blocked. Brew unit then dumps coffee, as if it were finished, but dumped coffee is dry and unused in the dreg unit. "ventilate" error message then appears, which is reset with hot water ejection. Repeat attempts over several days produce identical results.

    Thanks, jcharley

  • jcharley Sep 23, 2008

    I have only used mineral-free water in this machine, from an RO water treatment unit. Although the machine started to display the warning "descale" last month, this is certainly from a set number of brew cycles, not an actual condition. Hot water squirts out no problem, and is crystal clear! The fact that not a single drop of water gets to the brew unit would indicate a jam or misalignment within the machine, past the point where hot water is pumped to the hot water 'tap'.

    As I mentioned in my original post, "p.s. Seemed to start after I tipped unit sideways to pour out non-caffinated beans my wife had put in."

    Thanks, Jcharley

  • jcharley Sep 24, 2008

    Nooo - This was a sudden, 100% failure. I clean the brew unit every few weeks of all residue. However, this time (on reinsertion), there was a complete failure of the machine to pump water to the brew unit. As I mentioned earlier, it concided with tipping the unit sideways to pour out non-caffinated beans my wife had put in. I am nearly positive the problem is something jarred apart internal to the machine, bu I am lothe to begin unscredwing the case!

    Thanks, Jcharley

  • jcharley Sep 24, 2008

    With What??? It's inside the unit (non-accessible)

  • jcharley Sep 24, 2008

    Pump works fine! Lots of hot water and steam. Runs as always, except when brewing...

  • jcharley Sep 26, 2008

    To " Kindofcheap"



    I agree with you the only solution is to open the unit, and then it would be a simple problem to solve, except when I did so, I was confronted with a spaghetti mess of wires and tubes!



    See; http://Charleys.net/gaggia/gaggia1.jpg, http://Charleys.net/gaggia/gaggia2.jpg & http://Charleys.net/gaggia/gaggia3.jpg for details...



    If you could help me, I would be ever grateful...



    - Jim


  • jcharley Sep 27, 2008

    Please see if it looks like I have a vital part missing. There is hot water to every part of the machine except the Brew Unit. Looking at the Brew Unit itself, I can locate where the hot water is suppose to enter, (seehttp://charleys.net/gaggia/gaggia4.jpg )corresponding to some type of o-ringed outlet on the machine side of where the Brew unit sits. ( seehttp://charleys.net/gaggia/gaggia5.jpg ) I cannot see how the water can get out of this connector and into the Brew Unit unless I am missing some kind of critical piece. If so, it's nowhere to be found, although when I tilt the machine side-to-side, I can hear something loose ratteling around (somewhere in one of the boxes inside the machine, not in the general interior), so I can't see what it actually is, but for all i know is a loose screw or even a loose coffee bean. Any comments from anyone?

    THANKS! Jcharley

  • jcharley Sep 27, 2008

    Oops - Photos reversed - Gaggia4 should be Gaggia5 and vice-versa. Exploded parts is a great resource, but for a slightly different model and VERY complex!



    - Jcharley

  • jcharley Sep 28, 2008

    For Kindofcheap:



    Where do I find your Photos?



    Thanks, Jcharley

  • jcharley Sep 28, 2008

    Thank You!



    I will try tomorrow morning!



    - Jcharley

  • jcharley Sep 29, 2008

    I'm going to be in Asia for two weeks and will have to defer tinkering with my Gaggia until I get back. Thanks so far for everyone's help. In the meantime, I have pulled out the 'ol Mr. Coffee...



    - Jcharley

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6 Answers

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  • 1,952 Answers

Switch ON the appliance. Close
the service cover. The brew unit
automatically returns to its initial
position.
. Remove the coffee grounds drawer
before removing the brew unit

Remove the brew unit by holding it by its handle
and pressing the PUSH button
• Make sure that the two steel filters are free
from any coffee residues.
The top filter can be removed by unscrewing
the plastic pin counterclockwise using
Fill the tank with water and fill the
circuit.
Clean the brew unit.
. Decrease the dose.
Prime machine.

.
Reprogram coffee button to higher
volume

Posted on Sep 24, 2008

  • mohammed marika thambi
    mohammed marika thambi Sep 24, 2008

    The brew group, sometimes referred to as the brew group or central
    unit, is the grey or black mechanism inside the machine where your
    coffee is brewed. It is easily removable, and it should be cleaned at
    least once a week. To clean it, follow these instructions:

    1.
    Make sure the machine is not in the initial start up process or halfway
    through a brewing cycle. Wait until it is ready to brew.
    2. Open the service door on the machine and remove the drip tray and dump box.
    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.
    Note: Be cautious not to break the brew group. Also be aware of the door of your machine as it can break as well.
    4. Rinse the brew group thoroughly under clean, flowing water.
    Note:
    Do not use soap – this will remove important lubrication in the brew
    group. Also, do not put the brew group in the dishwasher – it can cause
    it to warp and not fit properly back into the machine (a new brew group
    can cost $100 or more).
    5. At the top of the brew group, you
    will see a black stem-like object that is about the width of a pencil.
    You will notice a large orange o-ring beneath the stem, look below the
    o-ring and you will see the upper filter screen at the end of the
    cylinder-shaped piece. It is flat and about the diameter of a silver
    dollar. With the top of the stem facing you, turn the stem
    counterclockwise. Hold the screen steady as you continue rotating the
    stem counterclockwise until the screen is free.
    6.Give the screen a thorough cleaning. Hold it up to the light and make sure you can see most of the holes. DO NOT use a pin to clear out any clogs. This can increase the size of the holes, causing future clogs.
    7. Reattach the upper filter screen by turning the stem clockwise. DO NOT OVERTIGHTEN- FINGER TIGHT ONLY.Make sure that the filter screen is snug but not too tight. This can strip the small nut in the stem.
    8. Pat the brew group dry with a clean cloth. Again, be careful not to wipe off the lubrication on the internal parts.
    9. Slide the brew group back into its place in the machine. Press it in firmly until it clicks into place.
    10. Replace the drip tray and dump box.


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  • 449 Answers

Hi!!
maybe you check the pump
and clean
or may a replacement

Posted on Sep 24, 2008

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  • 59 Answers

Its clogged clean it

Posted on Sep 24, 2008

  • dave siens
    dave siens Sep 24, 2008

    run a descaler or vinegar through it bud

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  • 2,071 Answers

A clean coffee maker is essential to good coffee. Residue of stale coffee oils will interfere the brewing that caused only little produced. It is suggest regular cleaning of your coffee maker according to manufacturer recommendation. I took everything out, got a small piece of fine sandpaper, held the plunger in with a pencil, turned on the grinder and sanded the round top portion of the grind basket driver. It takes a few times to get a good snug fit that?s still easy to remove. The instruction manual that came with the pot will tell you to use one cup (measuring cup) of "white vinegar" and fill the rest of the reservoir with regular water. Turn it on and let it perk the mixture through the system. Then perk a couple of pots of plain water to flush out the rest of the vinegar. The books say to do this once a month to keep things clean and the coffee tasting great. A professional machine that is plumbed into a water supply must be thoroughly disassembled, and each part soaked in acid, and manually cleaned. Unless your water is exceptionally hard (you should have a water softener inline with the machine in hard water areas) this should only need to be done every 5 years or so. Heads and screens and filters should be soaked every day in a cleaning solution available from any professional machine supplier. A machine that is not plumbed should have a small amount of Puly brand cleaner added to its tank, and run through several cycles every 3 months. Puly is available thru machine suppliers, but there are also several other brands that do the same. Visit your local coffee machine shop for a good cleaner. Hope this may help; Regards, VOTIT

Posted on Sep 23, 2008

  • 1 more comment 
  • LORETO LACARON
    LORETO LACARON Sep 24, 2008

    Maybe your flaw meter is stock up or clogged up or depected already causing the machine to works abnormally.Replaced the flaw meter so it works better again.



    Regards,

    VOTIT



  • LORETO LACARON
    LORETO LACARON Sep 24, 2008

    Click below for a site sale spare parts online and a exploded dismantling diagram;





    http://www.gaggiaparts.com/GaggiaSyncron...





    Regards,

    VOTIT

  • LORETO LACARON
    LORETO LACARON Sep 26, 2008

    Take a masking tape to put each label of each wires when you are going to dettach it from it placed in order not to enterchange the connection when you are going to attach or to reconnect it back. This is very basic technic,in disassemble a unit that you are not familliar with. Labelling is very effective technic i use this also..



    Hope this may help you;



    Regards,

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  • 241 Answers

When was the last time that You descaled the machine??
did you use there products?
I would recommend that you run distilled water through it a couple of times.




Thank You
if you need further assistance
I will be back to check your post

Posted on Sep 23, 2008

  • 4 more comments 
  • Jayson Brollini
    Jayson Brollini Sep 23, 2008


    • How old is the unit?


    • The water that you are using is hard/Tap I would suggest you install an inline water softener/filter.


    • This of course is if you find that you have more than normal lime build up.
    This sounds like the line going to the pump is clogged and if that is the case you need
    to open up the water line and make sure that the pump has water going to it.
    You stated that there is no hot water so for you to do a clean cycle you should Boil some Distilled
    water or any filter water and put this in the machine and run it a few time take a look at the water each time and
    see if there is any build up or cloudy water etc.


    Thank You
    Jayson


  • Jayson Brollini
    Jayson Brollini Sep 24, 2008

    Hi , You need to open up the unit.
    I can give you the specs on that so that it will
    be easier for you to understand what part that is causing
    the machine not to brew. This is a very simple procedure,
    so if you are still having problems please let me know.


    Jayson


  • Jayson Brollini
    Jayson Brollini Sep 27, 2008

    Well I would be glad to let me see what I can do for U OK.

    Thank You


  • Jayson Brollini
    Jayson Brollini Sep 28, 2008

    Hi there again take a look at my photos OK


  • Jayson Brollini
    Jayson Brollini Sep 28, 2008


    Here take a look at this OK

  • Jayson Brollini
    Jayson Brollini Sep 28, 2008

    You are welcome and Please keep me posted
    I will do my best OK
    Bye


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  • 435 Answers

Hi, Could you please mention the model number and the brand name?
It would be better for us to work on the problem.

Thanks,

Posted on Sep 23, 2008

  • Karthik P Sep 23, 2008

    I think you need to press the hot water button (button with water droplet on it). This will switch from steam to hot water.
    The humm sound is probably the pump which is working but pumping nothing.


    Try the hot water button.


    If you still get the ventilate error, try running the steam wand for a second and it will clear the error.




    Hope it works


    :)

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Related Questions:

1 Answer

Brew switch not responding


your not far,
test your switch with a test light
or you could always jumps the wire direct to your pump
if nothing works check for parts on ebay.

Jan 06, 2014 | Gaggia 102534 Espresso-Color...

Tip

Ventilate error -


The following procedure works when you get the ventilate error:



The Ventilate sign can be due to one or more of the following reasons:
Cause 1- Water leaking from the inlet valve below the water tank. The hose from the inlet valve to the pump can be air locked. When using the hand pump, do not thrust its nozzle too deep
Cause 2- Blockage in the passage of water due to clogged passage anywhere between the pump and espresso delivery nozzle.
Cause 3- Pump is not working. Open steam/water outlet knob and hear the pump work. If you do not hear any noise from the pump, this may be the main cause.
Cause 4- Flow meter is faulty. This part is like the water meter for homes. It measures the flow of water and signals the electronic board. The malfunctioning flow meter will not send signals even when water is flowing through it.
Cause 5- Hose is disconnected and water is not flowing in the system.
Cause 6- O-rings at hose connection is leaking, reducing the water flow to be sensed by flow meter.
Cause 7- Boiler gasket is leaking. Reduces flow of water through the system.
Cause 9- Brew unit is blocked, blocking flow of water through the flow meter. This also causes pump to slow down and ultimately stop with muffled sound within 15 seconds.
Cause 10- Brew unit not connecting brew valve, preventing flow of water. Same sign under cause 9.
Cause 11- Steam is leaking. Registers reduced flow of water at the flow meter.
Cause 12- Solenoid valve is blocked or solenoid coil is bad. Same observation as cause 9.
Cause 13- Electronic Control board is bad. Though rare it can happen due to condensed water from leaking steam. When steam is leaking or boiler is leaking, machine should not be used any more to prevent steam shorting the Electronic board.
Some of the above causes can be checked and corrected before seeking technical help. Do not assume anything without physically checking each of the following:
1- Make sure the water tank is full. If the water tank has water level float, make sure the float is in its housing and it floats as water is filled in the tank. If the level float does not rise with the level of water, then replace the float.
2- Water is not leaking from below the tank. The inlet valve is good. If leakage is present, replace the gasket in the water inlet valve.
3- Prime the machine by opening the hot water knob for 20 seconds or pressing the hot water button. Hot water flow shows the boiler is not blocked with minerals and pump is good. The solenoid valve is good.
4- Water & steam flowing normal, check the brew group for blockage. Determine when was the last time brew group was cleaned. Clean the brew group as explained elsewhere on these pages. If the machine has pre-ground function, try making a fake espresso (without coffee). Make regular espresso in other models to make sure that water goes through brew group and espresso is dispensed.
4- If hot water does not flow because the pump is not activated, then pump is bad. Replace pump.
5- Pump starts to work but within few seconds its sound is muffled and finally stop. This indicates there is serious blockage in the water line or the boiler is clogged with mineral deposits. If water is leaking and seen on the counter top, the chances are that water is leaking from hose connections(replace O-rings) or the boiler is leaking from seams (replace boiler).
6- Prime the machine by opening steam outlet for 20 seconds. Steam flow shows that steam boiler / steam outlet is not blocked. If the steam does not flow, then steam boiler or steam passage is blocked. Replace steam boiler or steam valve
7- Check the solenoid valves to make sure that they open & close as the coil is energized. Solenoid valve is located between the pump and boiler. The pump is activated simultaneously as the solenoid valve when espresso selection button is pressed. Some models may have a solenoid valve near the steam valve. In these models, the solenoid valve is activated to allow passage for steam/hot water. If the valve is not functioning, the ventilate sign will appear.
7- Hear the pump work when priming the machine. Louder noise from the pump can be due to
** air-locked water hose, or
** water is not sucked from the tank or the pump is sucking air instead of water or
** the diaphragm inside the pump has lost flexibility and not developing pressure to push water forward
** the hydraulic system is blocked at one or more locations due to mineral sediment. Find the location and cause of the block and correct it.
** Clean the brew unit (see cleaning instructions) and make sure that
a- the ground coffee used is not powdery fine.
b- The dose of coffee grounds is not in excess specification
c- check if there is blockage. Find the cause and remove it.
8- If steam and hot water flow is normal, but the ventilate sign persists, then the flow meter or the electronic control board is bad. Replace flow meter or the control board, as necessary.

Try also the following:

  • Press hot water button once. Message on the screen will not change, this is normal.
  • Open the steam knob and allow the water to flow freely from steam wand into a cup. The screen should now read "Hot water,ventilate", you may need yo empty several cups of water before message changes. In some case it is necessary to refill the machine container without interrupting the operation.
  • As soon as the screen displays "hot water," turn the steam valve off .
  • If the machine warms up again, then problem is fixed.

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