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DS2212NSA Rev. 1 2023-04
SERVICE & INSTALLATION MANUAL - Symbol
10 TROUBLESHOOTING
There are 2 types of service messages : Warnings and Errors.
Warnings will temporarily disable some features, while errors turn the coffee brewer out of order.
10.1 Warning Messages List
Filter Paper Roll Empty
The unit is out of filter paper. All coffee-based recipes will be temporarily disabled on the selection
screen. Only hot water and soluble drinks will be available. Install a new filter paper roll (see
section4.9).
Advanced tech tip: the status of the filter paper sensor can be monitored using the
green LED DS34 and 35 on the main board of the machine (see Annex3).
Rinse Required Soon
The number of drinks served has reached the "Rinse after(#drinks)" parameter set in Service mode
(see section 6.6.1). If the option "Lock recipes when rinse is due" is activated in the Settings sub
tab, coffee-based recipes will be temporarily disabled on the selection screen. The warning notice
will be displayed on the screen until a rinse cycle is performed on the machine (see section7.1).
Press on the warning notice, then on the "Rinse Now" button to start the rinse cycle.
Waste Bin Full
The number of coffee drinks served has reached the "Waste bin max" parameter set in Service
mode (see section 6.6.1). All coffee-based recipes will be temporarily disabled on the selection
screen. Only hot water and soluble drinks will be available. Empty the waste bin and reset its
counter (see section6.2).
Grinder Issue
The coffee grinder is jammed or the connection is broken with the grinder's rotation sensor. All
coffee drinks have been deactivated. See section 9.6 to service the grinder.
Can't park brewer at home position
The brew group failed to detect its starting position. The following parts might be defective:
- Brew group motor.
- Cam switch or pin of the dog drive wheel.
- Brew group starting position switch.
Make sure the brew group assembly is properly seated in the coffee machine. Access the Manual
Control interface in the Tools sub tab (System tab). Press the "Brew Group Cycle Motor" button to
see if the brew group is turning properly. If so, turn off and unplug the unit, then replace the cam
switch. If not, turn off and unplug the unit, then replace the brew group motor assembly.
Advanced tech tip: the status of the brew group starting position switch can be
monitored using the green LEDDS33 on the main board of the machine. At starting
position (open contact), the light is off (see Annex3).
Troubleshooting
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