Saeco Minuto, Service Manual

Page: 59 / 109

MINUTO 05 TROUBLESHOOTING
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Insert a full Water Tank Insert a full Water Tank
The indication H20 changes from “N” to “Y”.
NOTE: the switching from “N” to “Y” requires about 1-2 seconds.
ERROR: The indication TANK-H2O doesn’t change; check the
capacitive sensor ( fi xing) and the wiring (JP23)
Insert the BrewUnit Insert the BrewUnit
The indications BU-P changes from “N” to “Y”. The indications BU-P changes from “N” to “Y”.
NOTE: removing the BrewUnit the indication from “Y” to “N” requires NOTE: removing the BrewUnit the indication from “Y” to “N” requires
about 2-3 seconds to switch. about 2-3 seconds to switch.
ERROR: Check the BU presence Microswitch and the wiring (JP16). ERROR: Check the BU presence Microswitch and the wiring (JP16).
Close the Door and Dreg Drawer Close the Door and Dreg Drawer
The indication DOOR change from “N” to “Y” The indication DOOR change from “N” to “Y”
ERROR: The indication DOOR does not change; check the ERROR: The indication DOOR does not change; check the
Microswitch for the door and the wiring (JP14). NOTE: without the Dreg Microswitch for the door and the wiring (JP14). NOTE: without the Dreg
Drawer correctly inserted the DOOR indication cannot Drawer correctly inserted the DOOR indication cannot
change ! change !
Move Pressure Lever in DRIP position (120V only) Move Pressure Lever in DRIP position (120V only)
The indications DRIP changes from “N” to “Y”. (120V only) The indications DRIP changes from “N” to “Y”. (120V only)
Move Pressure Lever in ESPRESSO position (120V only) Move Pressure Lever in ESPRESSO position (120V only)
The indication ESP change from “N” to “Y”. (120V only) The indication ESP change from “N” to “Y”. (120V only)
IMPORTANT NOTE: If the Pressure Lever is not inserted (on IMPORTANT NOTE: If the Pressure Lever is not inserted (on
120V version) a warning message will be shown and the display 120V version) a warning message will be shown and the display
turns to yellow.. turns to yellow..
Check JP4 on interface board. Check JP4 on interface board.
Press the STAND-BY button Press the STAND-BY button
The machine passes to the Page 3 (BU PAGE)
Start condition Start condition
Press STAND_BY “ Press STAND_BY “ ” to move to the next screen ” to move to the next screen
Operational check microswitches and sensors Operational check microswitches and sensors