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Bezzera Unica PID maintenance: what the manual says

Bezzera’s manual lists 9 maintenance jobs for the Unica PID. Each is below with how often and the sentence it comes from.

What to do, and how often

Job How often The manual’s sentence
Backflush (water) Daily

“Wash the group as follows: hook the filter holder with the blind filter supplied to the group and initiate output for a few times.”
Portafilter & basket soak Daily; also clean filter holder and filters after each use

“Immerse the filter holder and the filters in hot water for a few minutes to dissolve the grease of the coffee, use a cloth or sponge to remove it.”
Boiler water change At every daily start-up

“For the best results and in compliance with current regulations, change the water contained in the boiler and pipings at every daily startup of the machine.”
Drip tray empty & clean Daily

“Daily 1) Clean the cup holding grid and the drain basin.”
Group head wipe / flush Daily

“Clean the group’s gasket with the brush”
Steam wand purge & wipe After each steaming

“After heating the drink, discharge a little steam to clean out the sprayer hole.”

Left to a technician

Job How often The manual’s sentence
Descale When the water circuit is dirty with scale

“In cases 3 call a skilled technician.”
Group gasket replacement When the filter holder leaks or locks further right than usual

“The lower bowl gasket is worn.”
Shower screen clean When coffee flow is slow because the shower is obstructed

“In case 4,it is necessary to call a technician.”

The settings

Coffee mode temperature (CoF)

Range: 80 to 100 °C.

“Press the button (Fig. 08, pos. 1), the display will show the message “CoF” and pressing ”+” (Fig. 08, pos. 3) before the expiry of 3 seconds, you can increase/decrease the boiler temperature setting by pressing “+” or “-” (Fig. 08; pos 3 1).”

Factory setting: 90 °C

“The adjustment of the temperature in the boiler depends on many variables such as outside temperature, humidity, quality of the coffee, etc. and is set at the factory at the average temperature of 90°C for coffee mode and at 110°C for steam mode.”

Steam mode temperature (StE)

Range: 105 to 120 °C.

“Press the button (Fig. 08, pos. 1), until the display shows “StE“ and pressing “+“ (Fig. 08, pos. 3) before the expiry of 3 seconds, you can increase/ decrease the boiler temperature setting by pressing “+“ or “-“ (Fig. 08; pos 3 - 1).”

Factory setting: 110 °C

“The adjustment of the temperature in the boiler depends on many variables such as outside temperature, humidity, quality of the coffee, etc. and is set at the factory at the average temperature of 90°C for coffee mode and at 110°C for steam mode.”

Step-by-step guides

What the manual does not say

6 jobs with nothing stated
  • Backflush (detergent)
  • Professional service
  • Shower screen replacement
  • Steam wand deep clean
  • Water filter / softener replacement
  • Water tank clean
Notes from the research
  • Bezzera's own manual is only reachable through retailer-hosted copies (bezzera.it gates manuals behind spareparts.bezzera.it login), so every value is basis community although the text is Bezzera's.
  • No detergent backflush, descaling procedure, shower screen replacement, water tank interval, filter or service interval from Bezzera.

Sources

Researched on .

Published: the sentence is on the maker’s own page or in the maker’s own document.

Community: the maker’s text, hosted somewhere else, usually by a retailer.