Everything where water is being heated needs to be descaled once in a while. So also a superstor hot water tank.
SOURCE: no coffee
Hi
Open the door and remove the grounds drawer and brew unit. Check the injector nozzel in the back of the machine and see if you have 2 orange o-rings. If you don't that is the problem. If you do, check that the gatevalve is opening. That is located between the 2 orange o-rings towards the bottom. Also check that the gatevalve has 90 degree legs. They should not be bent in. If they are you need to replace the gatevalve.
SOURCE: No water from the brewing head.
Check the screen on the brew unit it is below the red o-ring and that might be clogged, and the grind might be too fine.
SOURCE: the hot water just trickles out of the hot water
Something is blocked. Turn off water to heater disconnect outlet and attach a waterheater flex connector to tank outlet bend other end into bucket. turn on water briefly - water should blast into bucket.
If not:>>>>>>>>>>
disconnect water heater inlet -you may find part of the flex washer stuck into the inlet nipple.
Or dip tube may have disintegrated and be plugging outlet nipple, if you have the energy saving nipples the ball can jam debris in the nipple.
If water does blast into bucket >>>>>>>>>>>>
Then the problem is farther down the line, maybe bad mixing valve.
disconnect mixing valve outlet and use a garden hose to backflush through mixing valve with bucket under hot pipe disconnected from water heater.
If flow through valve is restricted, replace valve.
SOURCE: low water pressure, so takes ages to produce a cup
If you get good flow with the portafilter out, you may need a new pump. When you descale do you run the descaler through the brew head? That is one problerm that people make is running the descaler through both the wand and the brew head. Sclae will build up in the pipe in the brew head and restrict it.
SOURCE: Did not make the large cup of coffee. Then we
1. Power off machine. 2. Using a metal paperclip, insert it into left side of top needle. It must insert at least 1" deep. Insert it into slot on right side and again from back of needle. 3. Remove KCup cradle. Separate bottom from top. In the top section, insert the paperclip up into bottom needle from the bottom upwards. It will not go all the way thru and this is normal. 4. Reassemble KCup cradle and reinsert it back into coffee maker. 5. Power on machine. 6. Brew a cup of water only. There may be coffee grounds in the water and these should eventually clear during the remaining steps. NOTE: A large cup brew cycle should output a full 8 ounces (235cc). Less means there is still a blockage 7. Empty reservoir and fill with undiluted distilled white vinegar. Repeatedly run brewing cycle until Add Water light comes on. 8. Make sure Auto-OFF is NOT set and let last cycle of vinegar remain inside machine for 4 hours. 9. Refill reservoir with fresh water and repeatedly run brewing cycle until the water is clear and odorless. 10. Set Auto-OFF, if preferred.
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