Viceversa Koala Machine Dripping

Hi Rustfarmer,

Inside the machine is a high-pressure canister that is used to super heat a predefined amount of water. Once the water has come to a boil, and reached a predefined pressure (15bar) and temperature, the light comes on once the pressure switch is made.

If you have recently used the machine the canister will still be hot or if the water level is below the required minimum the time-to-ready will be greatly reduced causing the light to come on. However, if the light comes on and the water has not come to a boil, it could be due to a few reasons.

If the light comes on and temperature / pressure not reached, it could be due to

• a faulty heating element or pressure switch,
• a blocked (due to calcification) water tube, causing the canister to heat up and super heating what ever water is left causing the pressure switch to be made.

These machines are mostly mechanical and requires very little maintenance. The above are the most common problems experienced.

In the case of the pressure switch or heating element, I would suggest checking your warrantee and request a replacement/repair.

In the case of calcification, check the De' Longhi website for a cleaning kit to decalcify the system (Recommended method). If your machine is outside its warrantee period and you do not want to spend the bucks, you could use a home made recipe of white vinegar and water (Not recommended, it could wear down the rubber seals). Just make sure that you rinse the machine thoroughly before making the next cuppa.

Please let us know if you do not succeed and need further assistance.

if it has a filter ,replace. use vinegar through the water resevoir. fill it and turn it on.

try here! http://www.seattlecoffeegear.com/Solis-Non-Pressurized-Portafilter-Upgrade-p/scg10535-04.htm

It sounds like you are having problems with the valves NOT sealing properly,
they need to be replace.

Remove portafilter, shower and screw and run the head. Did you get a nice steady flow or a weak drip. If a weak drip then the solenoid or the metering jet on the head is blocked and needs to be cleaned. If you get a nice flow the adjust the grind on the coffee to coarser.

Try this remove the portafilter and press the brew button, if water comes out of head, machine is fine but the grind or the tamping(packing pressue) used on the coffee is not right. If you are grinding the coffee just before using it, try a coarser setting. If you pre grind at the store then try tamping the coffee lighter.

Try running the gro;up without the portafilter in place, what does the water flowq look like: is it a nice strong flow or barely a dribble. If if is barely a dribble, backwash machine with purocaff and check shower screen, that may be clogged. If you have a nice flow then try adjusting the grind on the coffee grinder.

maybe our coffee is to fine of a grind

How about with the basket and portafilter in place, but no coffee in the basket? Does the water flow reasonably when you turn on the pump?

When using ground coffee, use coarser grind like the size of table salt grain. Feel the ground coffee for adjustment. Do not tamp, just level the cup with coffee grounds and lock the portafilter into the group ring. Pull the handle all the way to the right and hold. Turn espresso hot water switch on. Hold the portafilter pulled all the way to the right for 5 seconds (pre-infusion pressure builds up to 9 bars). Release the handle at the end of 5 seconds. Espresso shots should be max. 2-Oz. in the cup. For larger quantity, use two shots. For an Americano, add hot water instead of allowing 8-Oz. water to pump through the coffee grounds.