ShotPulled › Gear › Backflush (detergent)
Backflush the group with cleaner: ECM Synchronika
Before you start
- Tools
- blind filter (supplied), portafilter, coffee filter basket to refit afterwards
- Supplies
- ECM group cleaning powder (about 3-5 g per clean)
Warnings
- Hot water can splash from the group during cleaning. Source: ECM Synchronika (item 86274) user manual, multilingual (H02-2024-02), ECM's manual as hosted by Whole Latte Love
- Cleaning with cleaner too often strips the grease from moving parts: the group squeaks and wears quickly. Source: ECM Synchronika (item 86274) user manual, multilingual (H02-2024-02), ECM's manual as hosted by Whole Latte Love
- Unless the machine is plumbed to a drain, empty the drip tray before it fills. Source: ECM Synchronika (item 86274) user manual, multilingual (H02-2024-02), ECM's manual as hosted by Whole Latte Love
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
- after 10 brew-lever operations, once the cleaning flushes are done; the counter then restarts
- Can be switched off
- Yes
Steps
- Heat the machine up; the steam boiler can stay off.
From the manual: “Heat up the machine. It is not necessary to switch on the steam boiler.”
- Fit the blind filter in the portafilter.
From the manual: “Place the blind filter into the portafilter.”
- Put about 3-5 g of group cleaning powder in the blind filter.
From the manual: “Put approx. 3 – 5g of the group cleaning powder into the blind filter.”
- Lock the portafilter into the group.
From the manual: “Clamp the portafilter into the brew group.”
- 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: “Let the detergent react, moving the group lever into the middle position, approx. 45°.”
- After about half a minute, lower the lever fully so the oils drain through the group.
From the manual: “Move the lever into the lower position after approx. half a minute.”
- Repeat the raise, hold and lower cycle until the discharge runs clear. Repeat until the discharge runs clear
From the manual: “Repeat points 5-7 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 with the blind filter.
From the manual: “Rinse the portafilter and the blind filter with fresh water.”
- Run the lever for 20-30 seconds, then lower it.
From the manual: “Operate the group lever for approx. 20-30 seconds.”
- Rinse the portafilter again and run that flush once more.
From the manual: “Rinse the portafilter again 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 .
Community: the maker’s text, hosted somewhere else, usually by a retailer.