Saeco Minuto, Service Manual

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MINUTO 05 TROUBLESHOOTING
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Press buttons from 1 to 7 Press buttons from 1 to 7
Only when a button is pressed a O appears on the relative position of
button pressed.
In the middle of display appears the name of the button pressed.
Pressing buttons on the left the backlight color changes from
GREEN to YELLOW.
Pressing button on the right the backlight color changes from
GREEN to RED.
When a button is pressed, also the Stand-By led (RED) turn ON.
Note: Press button STANDBY as the last once, since it makes
change the test page.
Note: If 2 or more buttons are pressed the name that appears
on display could be wrong.
ERROR: ERROR: If nothing appears on display; check the interface board and the fl at cable (JP21). If nothing appears on display; check the interface board and the fl at cable (JP21).
ERROR: ERROR: If during the movement the backlight remain green check the wiring (JP1) from the in- If during the movement the backlight remain green check the wiring (JP1) from the in-
terface board and the display terface board and the display ..
ERROR: ERROR: The name displayed is wrong; check the position of jumper in interface. It must be the The name displayed is wrong; check the position of jumper in interface. It must be the
same of machine model: same of machine model:
· Jumper on JP5 for Focus machine model · Jumper on JP5 for Focus machine model
· Jumper on JP6 for Class machine model · Jumper on JP6 for Class machine model
The machine passes to the level 2 (INPUTS) The machine passes to the level 2 (INPUTS)
Insert a full Water Tank Insert a full Water Tank
The indication H20 changes from “N” to “Y”. The indication H20 changes from “N” to “Y”.
Note: Note: the switching from “N” to “Y” requires about 1-2 seconds. 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: Note: removing the BrewUnit the indication from “Y” to “N” requires 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).
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 Microswitch for the door and the wiring (JP14).
Note : without the Dreg Drawer correctly inserted the DOOR indication
cannot change!
Press STAND_BY “ Press STAND_BY “ ” to move to the next screen ” to move to the next screen
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