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Expobar Office Manual

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• Possible anomalies
25 English
21. Possible anomalies
21.1. Failures produced by lime
The coffee does not come out at a appropriate temperature:
- The outlet tubes of heat exchangers are clogged by lime.
Water does not come out from the groups:
- Lime blocks the water getting through .
Ninety percent of failures are caused by scale build-up in the machine when none water treatment
operation is done. Is very easy to avoid this kind of failure by performing the regular maintenance of the
water treater.
21.2. Problems due to grind setting
Coffee comes out very fast:
- Adjust the grinder setting, the grind is too coarse.
Coffee comes out very slow:
- Adjust the grinder setting, the grind is too fine.
If you observe any malfunctioning in the coffee machine contact the technical service.
22. Recommendations
• You should clean every day the group without soap, only with the blind membrane / filter basket and
water.
• You should clean the group with espresso detergent (as described in this manual), at least once a
month.
• You should regularly re-generate the water softener device.
• Use freshly grinded coffee as to preserve the properties, aroma and flavor of the moment the coffee is
used.
• In order to obtain a good expresso coffee, remember that both the brewing group and the portafilter
must be hot and at a constant temperature; so keep the portafilter placed in every moment into the group.
23. Cautions
• When you are brewing espresso do not attempt to take out the porta-filter. Boiling water at high
pressure could be projected and cause you burns.
• Never manipulate the inside of the machine; this must be done only by authorized technicians.
• Do not insert any kind of things inside the openings & ventilation holes of the machine.
• Check frequently the drip tray water sink .
• Do not allow children to use or touch the machine; it has hot surfaces that could cause them burns.
• Do not use the machine with wet hands, wet feet or barefoot.
• If you want to disconnect the machine from the electrical outlet, do not pull from the wire; remove it by
pulling from the electrical plug.
• If you have any problem contact the technical service.
The manufacturer holds the rights to modify the machine without prior announcement.
The manufacturer holds the rights to modify the machine without prior announcement.
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