Question about La Pavoni Espresso Si PAB-16 Espresso Machine

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When the pump is activated by the coffee switch the pressure builds up but no coffee comes out the bottom, hot water leaks over the top of the portafilter and runs down the outside.

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Hi there it sounds like the pressurised handle has a blockage in it or your coffee is too finely ground. The handle is spring loaded as well so make sure when you push the handle over to the right that the actual handle comes back to the centre so to open the inside to allow coffee through. If blocked try putting the head of the handle into a solution of descaler.

All the best

LaPavoniBoy

Posted on May 28, 2009

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WATER LEAKS BOTTOM OF UNIT WHEN IS MAKING COFFEE ALSO, HOW DO YOU DECALCIFY UNIT? iS THERE AN ON LINE MANUAL?


Hi,
Below are solutions for a leaking coffee maker and how to decalcify the machine?
Tools and Materials needed to fix this problem are as:
* White Vinegar * Fresh Water * Volt-ohm Meter * Screwdriver
Step 1 - Clean
If your coffee maker seems to be clogged, try cleaning it with a mixture of white vinegar and water. Assuming that your coffee maker has a 12 cup capacity you will want to use 11 cups of vinegar and 1 cup of water. Fill the coffee pot to the 11 cup mark with vinegar and then fill it to the 12 cup mark with water.
Pour this mixture into the reservoir and turn on the coffee maker, allowing it to run through a brewing cycle as if you were making a pot of coffee. By doing this you will dissolve any build up in your coffee maker. If the coffee maker is leaking because the pump is clogged, then this might clear the clog and stop the leaking. If it has been a while since you last cleaned your coffee maker, you may need to run the vinegar through more than one cleaning cycle to dissolve all of the buildup.
Step 2 - Pump Valve
Unplug the coffee maker and examine the pump valve. If the pump valve is broken or has a clog, then the water will not be able to rise up and flow through the fill tube. When the coffee maker is turned on, the water needs to go someplace. If it cannot flow through the fill tube, then it may leak onto the countertop. If the pump in your coffee maker is sealed, you will need to replace the whole pump. If the pump is not sealed you should check it to ensure it is not clogged with coffee grounds or mineral deposits.
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Examine the brewing switch to ensure that is working. To get to the brewing switch, remove the base plate. Next, you will need to test the switch with your volt-ohm meter. Touch the tester to the RX1 scale. If it reads 0 ohms then you will know that the switch works fine. If it gives you a number other than 0 then it is time to replace the switch.
Step 4 - Tube Connectors
If the coffee maker is leaking or sputtering then you should take a look at the tube connectors. Many times, a leaky coffee maker is caused by faulty tube connectors. If you find the leak is in an elbow, clean the surfaces before you replace it. If the tube connector leaks, replace both the tube and the elbow so that you can be sure the pieces will both fit together properly.
To decalcify, you will be needing a : decalcifying cleaner and A container large enough to hold the same quantity of liquid as your water reservoir
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I hope the above helps....
Good luck.

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Water leaking from bottom. what's up?


the best thing to do open the machine cover go easy when the cover is off visual look you probably got a disconnect pipe if not activate the machine be carefull you got live power in there try to make a coffee you a clear pipe black hose connect to it probably dry rubber hose if its that put everything back and clean the machine with a decalcifier block pipe with calcium buil up pressure inside if you have a dry hose its gonna pop off dont forget to rinse the machine very good after that stuff is very corosif if it help you dont forget to rate this cheers

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