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Backflush the group with cleaner: ECM Classika PID
Before you start
- Tools
- blind filter (supplied), portafilter, coffee filter basket to refit afterwards, measuring spoon
- Supplies
- espresso machine group cleaner (half a spoon (the supplied measuring spoon) per clean)
Warnings
- Hot water can spray from the group during cleaning. Source: ECM Classika PID user manual, multilingual (2412)
- Cleaning with cleaner too often strips the grease from moving parts: the group squeaks and wears quickly. Source: ECM Classika PID user manual, multilingual (2412)
- Unless the machine is plumbed to a drain, empty the drip tray before it fills. Source: ECM Classika PID user manual, multilingual (2412)
The machine tells you when
This machine keeps count itself and tells you when this job is due, so follow the machine rather than a calendar.
- What you see
- 'CLn' on the PID display
- Shown as
- A message on the display
- What it counts
- Shots
- Depends on
- CLn reminder in the PID menu: 0-200 brews in steps of 10; 0 (the delivery setting) means no reminder. Only brews over 15 s count.
- How it clears
- counts down from 10 to 1 with each brew-lever operation after it appears, then the temperature returns and the counter restarts
- Can be switched off
- Yes
Steps
- Heat the machine up to its working temperature.
From the manual: “Heat up the machine until the optimum operating temperature is reached.”
- Fit the blind filter in the portafilter.
From the manual: “Put the blind filter into the portafilter.”
- Put half a spoon of cleaner into the blind filter.
From the manual: “Pour ½ spoon of detergent into the blind filter into the portafilter.”
- Lock the portafilter into the group.
From the manual: “Place the portafilter in the group head.”
- Raise the brew lever for about 20 seconds so the blind filter fills.
From the manual: “Operate the group lever for approx. 20 seconds.”
- Move the lever to its middle position, about 45°, and let the cleaner work; do not lower it fully.
From the manual: “moving the group lever into the middle position. (approx. 45°; Do not move it into the lower position.)”
- After about 20 seconds, lower the lever fully so the oils drain through the group.
From the manual: “Move the lever into the lower position after approx. 20 seconds.”
- Repeat the raise, hold and lower cycle several times, until the discharge runs clear. Repeat until the discharge runs clear
From the manual: “Repeat points 5-7 several times, until only clear water is discharged by the infusion cylinder.”
- Rinse the portafilter and blind filter under fresh water and lock the portafilter back in.
From the manual: “Rinse the portafilter and the blind filter with fresh water. Then replace it.”
- Run the lever for about one minute, then lower it.
From the manual: “Operate the group lever for approx. one minute.”
- Take the portafilter out, rinse it and run that flush once more.
From the manual: “Remove the portafilter and repeat point 10.”
- Swap the blind filter for your coffee basket.
From the manual: “Exchange the blind filter for the coffee filter”
- If a CLn reminder is programmed, it clears after 10 lever operations and the counter restarts. Only when: if the CLn reminder is programmed
From the manual: “will disappear on the display after having operated the brew group lever 10 times”
Sources
Researched on .
Published: the sentence is on the maker’s own page or in the maker’s own document.