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Run the assisted group wash: Bezzera Duo MN and Bezzera Matrix
Before you start
- Tools
- closed (blind) filter, supplied, filter-holder
- Supplies
- espresso machine cleaning product (a product made for coffee machines; no product or dose is named)
Warnings
- Switching the machine off mid-wash, on purpose or not, brings up an alarm message at the next start. Source: Bezzera Matrix-Duo instruction manual, multilingual (retailer-hosted copy on cdn.shopify.com)
- Never take the filter-holder with the closed filter off while the pump is dispensing. Source: Bezzera Matrix-Duo instruction manual, multilingual (retailer-hosted copy on cdn.shopify.com)
- Use only products made for coffee machines; no solvents, household detergents or abrasive sponges. Source: Bezzera Matrix-Duo instruction manual, multilingual (retailer-hosted copy on cdn.shopify.com)
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
- 'Maintenance Required' pop-up on the touch screen
- Shown as
- A message on the display
- What it counts
- Shots
- Depends on
- number of dispensings set under Settings > 'maintenance' (0 turns the prompt off)
- How it clears
- reset the maintenance meter under Settings > 'maintenance' once the work is done
- Can be switched off
- Yes
Source: Bezzera Matrix-Duo instruction manual, multilingual (retailer-hosted copy on cdn.shopify.com)
Steps
- With the machine hot, open the side drop-down menu on the touch screen.
From the manual: “The procedure to start washing, for all the versions, is as follows”
- Touch the group-washing icon to start the wash procedure.
From the manual: “Start the washing procedure using the appropriate icon.”
- Fit the supplied closed (blind) filter in a filter-holder and add the coffee-machine cleaning product.
From the manual: “Insert the closed filter (Fig.06, Item 15) and the cleaning product into a filter-holder.”
- Lock the filter-holder, with the product in it, into the group.
From the manual: “Insert the filter-holder and the product in the coupling ring of the dispensing group.”
- Choose the quick or the complete wash by touching its icon.
From the manual: “Start the quick or complete washing by touching the relative icon.”
- On the lever (MN) version, carry out each step the screen asks for until the wash ends. Only when: MN (lever) version
From the manual: “Follow the on-screen instructions (MN).”
- On the electronic (DE) version, let the automatic cycle run to the end. Only when: DE (volumetric) version
From the manual: “Wait for completion (DE).”
- Rinse the group through completely so no detergent is left in the coffee circuit.
From the manual: “a complete rinsing of the group head is carried out to remove any residual detergent product”
- If the Maintenance Required prompt was showing, reset its meter now that the job is done. Only when: after a Maintenance Required prompt
From the manual: “Once the maintenance has been carried out reset the meter (see section 6.6).”
- Open the drop-down menu, enter the settings screen (password if one is set) and arrow across to 'maintenance'. Only when: after a Maintenance Required prompt
From the manual: “Scroll through the menu with the side arrows until reaching the "maintenance" item.”
- Touch its icon and set the number of dispensings for the next prompt with the arrow keys; 0 disables it. Only when: after a Maintenance Required prompt
From the manual: “set the preferred number of dispensings for the maintenance prompt pop-up”
Sources
- Bezzera Matrix-Duo instruction manual, multilingual (retailer-hosted copy on cdn.shopify.com) Manual
Researched on .
Community: the maker’s text, hosted somewhere else, usually by a retailer.