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78
DS2212NSA Rev. 1 2023-04
SERVICE & INSTALLATION MANUAL - Symbol
9.5 Grinder
9.5.1 Grinder Issue (Grinder Jam)
When an unusual performance of the grinder is detected, the machine tries to automatically
recover itself by pulsing the grinder (max. 20 pulses), then finishes the beverage
preparation. If the automatic recovery fails, the "Grinder Issue" error message appears on
the selection screen and all coffee-based beverages are disabled.
The grinder may slow down or jam for the following causes:
• Coffee chute is jammed.
• A brew group overflow prevents the brew group from properly discarding used grounds
after a coffee preparation. The grinder therefore cannot expel coffee grounds and jams.
The indirect cause can be a full waste bin, empty filter paper roll, improper hot water
tube alignment in the brew group funnel or improper ground coffee chute alignment.
1. In any of the cases above, empty and clean parts, if necessary, and perform
maintenance to rectify the situation.
2. Access the Tools tab in Service Mode and select the Components Manual Control
button. Use the Coffee Grinder button to manually pulse the grinder (max. 20pulses).
> Grinder empties itself and works properly: make sure to leave the machine clean.
> Grinder is still jammed and the motor seems to work, refer to 9.6.2.
Position the water tube and coffee funnel to ensure a proper water swirl into the
funnel.
Parts Maintenance
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