Saeco Minuto, Service Manual

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MINUTO 05 TROUBLESHOOTING
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The machine passes to the Page 3 (BU PAGE) The machine passes to the Page 3 (BU PAGE)
Press the ESPRESSO button to move the BU to Work Press the ESPRESSO button to move the BU to Work
IMPORTANT NOTE : If the DREGDRAWER is not inserted or the
DOOR is not closed the BU test cannot be performed. If these 2
inputs are not in the right position, a warning message will be
shown and the display turns to yellow.
When the BU reaches the work position the indication WORK When the BU reaches the work position the indication WORK
changes from “N” to “Y”, the number of the current is minus than changes from “N” to “Y”, the number of the current is minus than
200mA (without BU) or 300mA (with BU). 200mA (without BU) or 300mA (with BU).
ERROR: ERROR: The indication WORK doesn’t change and remain “N”, the The indication WORK doesn’t change and remain “N”, the
display backlight changes from green to red; Check the work display backlight changes from green to red; Check the work
microswitch (broken?), the BU motor (blocked?) and the wiring microswitch (broken?), the BU motor (blocked?) and the wiring
(JP16). (JP16).
The indications BEAN-C changes from “N” to “Y”. The indications BEAN-C changes from “N” to “Y”.
ERROR: The indication BEAN-C does not change; check the reed for
the cover and the wiring (JP25).
Move Pressure Lever in COFFEE position Move Pressure Lever in COFFEE position
The indications DRIP changes from “N” to “Y”. The indications DRIP changes from “N” to “Y”.
Move Pressure Lever in ESPRESSO position Move Pressure Lever in ESPRESSO position
The indication ESP change from “N” to “Y”. The indication ESP change from “N” to “Y”.
IMPORTANT NOTE: IMPORTANT NOTE: If the Pressure Lever is not inserted (on If the Pressure Lever is not inserted (on
120V version) a warning message will be shown and the display turns 120V version) a warning message will be shown and the display turns
to yellow.. to yellow..
Check JP4 on interface board. Check JP4 on interface board.
Press STAND_BY “ Press STAND_BY “ ” to move to the next screen ” to move to the next screen
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