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De'Longhi EC155 Troubleshooting
One of De'Longhi's espresso and cappuccino maker.
- No espresso is coming out when I turn my pump on
- The pump is making a loud noise
- Machine won't turn on
- The coffee froth is too light
- The coffee froth is too dark
- The espresso coffee is cold
- No milk froth is formed when making a cappuccino
No espresso is coming out when I turn my pump on ¶
No espresso is coming out of the machine.
Lack of water in reservoir ¶
Check to see if there is ample water in the reservoir. See guide on replacing the reservoir.
Clogged Pump ¶
Descale the machine as described in page 10 of the user's manual.
The pump is making a loud noise ¶
When running, the pump is making irregular, unexpected, loud noises.
Reservoir inserted incorrectly ¶
Pull out the reservoir and re-position it. See guide on replacing the reservoir.
Machine won't turn on ¶
No indication of power to the machine.
Not connected to a power source ¶
Make sure the power cord is plugged into a working outlet.
Machine is not turned on ¶
Flip the "on/off" switch to the "on" position.
The coffee froth is too light ¶
The froth is coming out quicker and thinner than expected.
Ground coffee not pressed down firmly enough ¶
Press a little harder, but not too much.
Not enough ground coffee ¶
Add more ground coffee .
Ground coffee is too coarse ¶
Remove any large chunks or grind the chunks to match the size of the rest of the ground coffee.
The coffee froth is too dark ¶
The froth is coming out slower and thicker than expected.
Ground coffee is pressed down too firmly ¶
Press a little softer, but not too much.
There is too much ground coffee ¶
Remove any excess amount of coffee.
The espresso boiler outlet is blocked ¶
Refer to the Cleaning the Boiler Outlet guide on page 10 of the user's manual.
The filter is blocked ¶
The ground coffee is too fine ¶
Remove fine coffee and replace with coarser coffee.
Coffee is too damp ¶
Let coffee air-dry.
The espresso coffee is cold ¶
The coffee is not the ideal temperature of 140 degrees Fahrenheit.
No preheating was performed ¶
Refer to the Preheating the Espresso Coffee Unit guide on page 8 of the user's manual. Also, wait for the indicator light to turn on.
No milk froth is formed when making a cappuccino ¶
Milk not cold enough ¶
Make sure skim milk is used at refrigerator temperature.
Cappuccino frother is dirty ¶
Thoroughly clean the holes in the cappuccino frother as depicted in figure 21.