12.2 UNIT DISPENSING ERROR
SERVICE MANUAL
12.3
Edition 01 of 08/2017
UNIT DISPENSING ERROR
Dispensing for more than 240 seconds:
the flow of water is too slow or too fast
Check that the
grinding is not too fine
Press a dose
key of the X unit
Check the connection
of the volumetric doser
to the central unit.
Menu-> Alarms->
Alarm list: keep the
washing key pressed
to cancel the alarm list.
SELECT PRODUCT
Check the voltage of
the volumetric doser
(square wave 0-5V).
Check for the presence
of limestone in the gigler
or in the metal mesh
of the volumetric doser.
Substitute the volumetric
doser with a new one.
The dosing function
continues to function correctly,
but the key continues
to flash.
YES
YES
YES YES YES
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