14.
Acid (vinegar) taste in espresso coffee.
• Did not fully rinse the system after descaling.
See chapter 11.5 for detailed instructions on rinsing the system after descaling.
• The coffee is not fresh or of high quality.
Grind fresh whole bean coffee right before brewing. After opening, store whole
beans in a dark, air-tight container to maintain freshness. Use beans within 1 week.
Espresso not hot enough.
• Pre-warm cups and system.
Pre-warm cups with hot water or on the cup warming tray. Purge brew head
and portafilter immediately before brewing. Dry portafilter and sieve before
filling with ground coffee. See chapter 3.
Uneven cup filling.
• Outlet in sieve or portafilter blocked.
Remove sieve from portafilter. Clean with stiff brush. Clean portafilter.
• Uneven dosing of ground coffee into sieve.
Evenly distribute the finely ground coffee into the sieve.
Loud pump noise/no water from brew head.
• No water in water tank.
Fill water tank with fresh, cold water.
• Air blockage in pump.
Fill tank with fresh water, and run pump in intervals using the "Hot Water"
function. If no liquid pumps through the machine after numerous attempts,
contact Customer Service.
• Water tank is not in the correct position.
Push down firmly on water tank so it is fully engaged to the valve.
No steam produced from the frothing wand.
• The steam button is not selected.
Ensure you push the steam button prior to opening the steam knob.
• Steam wand is blocked by milk or calcium deposits.
Turn machine OFF. Carefully use a needle to loosen the milk residue. See chapter
11.2 for cleaning the steam wand.
Not enough froth when frothing milk.
• Milk not fresh.
Use the freshest milk possible. Do not use milk that has been opened for a
few days as this can affect the quality of froth.
• Milk not suitable.
Non-dairy, organic and ultra-pasteurized milks do not froth as well as fresh,
dairy milk.
• Milk was too warm before frothing began.
Use cold, refrigerated milk preferably at 34°F. Use a cold stainless steel
frothing pitcher.
