I bought and returned 5 machines until finally I found one that worked. Unfortunately it worked until I descaled it. Right after that it started acting up. Tapping twice the cups would not respond and would make only one cup. A few days later I cleaned the brew unit and emptied the tray and it lost the setting for the shot size. It would only prebrew and stop. When I tried to reprogram the coffee shots and I took my finger off the button at 1 oz the water wouldn't stop running until it filled about 4 oz of water. It took about 8 times of repeating the steps until finally it set at 1 oz. Out of desperation I bought a brand new machine and program it exactly as the old one. While the touch panel works it dispenses the coffee only on one side of the nozzle. I tried enough of these S-series to realize that they are riddled with problems.
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1. Fill a 2 cup measuring cup with hot water. 2. Mix in descaler. 3. Pour in the empty water tank. 4. Put the yellow cleaning disk in the chamber and close chamber. Put the two cup measuring cup under the spout. 5. Push and hold the brew button for about 3 seconds (until the red and green light flash. 6. Now don't touch the machine. It will do it's thing for about 20 minutes. (Don't be impatient and start to push buttons, just leave it) 7. When it finishes it's cycle. The red light will turn off. Then clean the water tank and put fresh water and run clean water through the brewing cycle 4 times. Your machine is now ready for use.
Found the answer on another fixya post. Seems like about the same product.
The 'Descale' light that turns on indicates that it is time to de-scale the machine. Scale - or mineral deposits- form from the water you run through your
Keurig coffee machine. If not cleaned regularly, the buildup can clog
the lines in your machine and ruin the heating element. The manufacturer
recommends you descale Keurig coffee makers once every six months for
normal water conditions and once every three months if you live in an
area with hard water. You will need :
Keurig coffee maker
48 oz. white distilled vinegar
Large ceramic cup
Unplug the coffee machine and remove the cup.
Turn the coffee machine upside
down over the sink in order to fully drain it of water. Be careful of
the plug and avoid getting it wet.
Pour undiluted white vinegar into the reservoir up to the top edge of the viewing window.
Place a ceramic cup under the
machine, plug it in and press "Brew" for a large cup. Pour the cups of
vinegar into the sink and repeat the process until the reservoir is
Remove the final cup of vinegar
and empty it. Fill the coffee maker with clean water and allow it to sit
for four hours, remaining on.
NOTE: Not my instructions i just found something similar.
According to the instructions for Breville Hot Cup (presumably similar to yours - the adjustable flow one): 1. Fill it to the max and dispense one cup of water. 2. Add a citric based descaling product into the cup and stir. 3. Tip contents into kettle and close lid. 4. Dispense water from the kettle, discarding the water until it reaches the 'min' mark. 5. Empty remaining water into sink, rinse out with clean water. 6. Fill kettle with fresh water and dispense cups of water until it reaches the 'min' mark. Empty the rest into the sink, then refill ready for use.
Removing the red descaling light is simple.
1. Fill reservoir with half vinegar and half water (no need for the special descaling product from Tassimo).
2. Turn on machine.
3. Insert yellow cleaning disc found in back of machine.
4. This is where most people have the their problem...You must hold the start button for 3 to 5 seconds for the descaling program to start. Both green and red light will flash.
5. Once started, use a large cup to catch the output of water.
6. The machine will cycle through the descaling program in about 30 to 45 minutes. Be paitent!!!
7. Once completed, run many cups of plain water through the system to remove the vinegar taste.
8. Red light problem is solved.
This is the time, you need to Descale the machine. The simple procedure is :-
Unfortunately, in spite of the best-laid plans of mice and men,
espresso machines often get clogged by scale, deposits of minerals from
hard water. Scale can cause serious damage if untreated. If your
espresso machine's water flow has decreased a lot, it's probably
because of scale. Fortunately, there is an easy and inexpensive way to
descale your espresso machine.
Obtain some citric acid. You can either order this online or
find it in the kosher foods section of the supermarket (usually
marketed as "sour salt"). Acid solutions dissolve scale, which is made
of calcium carbonate. There are special solutions marketed specifically
for descaling, but citric acid works just as well and is much cheaper.
Prepare the descaling solution by mixing citric acid with water (I use two tablespoons of acid and a quart of water).
the descaling solution in the water tank, turn on the machine, and run
water through the steam wand until the cup is filled, to expose the
parts to the solution. Turn off the machine, and leave it for 20
minutes so that the solution has time to dissolve scale.
After 20 minutes, run more water
Run solution through the machine every 20 minutes, until the water tank is empty.
the water tank with plain water, and run water through the machine
until output water no longer tastes sour. This is important, because
excess citric acid does not make coffee taste good.
Per Pages 9 and 10 of Keurig Model B40 Use and Care Guide,
1) turn off the "Auto Off "feature
2) fill empty water reservoir with 48 ozs of undiluted white vinegar.
3. Place ceramic cup on the drip tray and run a brew cycle. Do not use a K-cup!
4. Press the large mug Button
- let Keurig coffee maker fill mug with vinegar & empty in sink.
5. Repeat brew process until water reservoir of vinegar is empty. (remember to open and close lid between each cycle so large mug Button will flash.
6. Rinse the water reservoir thoroughly and fill with fresh water.
7. FINAL STEP RINSE CYCLE
a) place a ceramic cup on the drip tray
b) run regular brew cycles WITHOUT using a K-cup.
c) pour rinse water into sink each time.
d) repeat brew process until water reservoir is empty.
d) perform additional rinse cycles if you notice any residual vinegar taste.
e) if the red "De-scale" light remains illuminated after completing descale and rinse cycles, repeat the descaling procedure above.
Otherwise - you're good to go!