Saeco Minuto, Service Manual

Page: 58 / 109

MINUTO 05 TROUBLESHOOTING
Page / 46
17
Firmware Software version Firmware Software version
Firmware version on the display. Firmware version on the display.
The machine model is shown ( FOCUS or CLASS). The machine model is shown ( FOCUS or CLASS).
The voltage of the main supply “230V/120V” The voltage of the main supply “230V/120V”
The frequency of the main supply is shown (50 or 60 Hz) The frequency of the main supply is shown (50 or 60 Hz)
ERROR: If machine model is different from CLASS or FOCUS, change the interface. ERROR: If machine model is different from CLASS or FOCUS, change the interface.
Only when a button is pressed a O appears on the relative position of but- Only when a button is pressed a O appears on the relative position of but-
ton pressed. ton pressed.
In the middle of display appears the name of the 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 Pressing buttons on the left the backlight color changes from GREEN to
YELLOW. YELLOW.
Pressing button on the right the backlight color changes from GREEN to Pressing button on the right the backlight color changes from GREEN to
RED. RED.
When a button is pressed, also the Stand-By led (RED) turn ON. When a button is pressed, also the Stand-By led (RED) turn ON.
Note: Note: Press button STANDBY as the last once, since it makes change the Press button STANDBY as the last once, since it makes change the
test page. test page.
Note: Note: If 2 or more buttons are pressed the name that appears on display If 2 or more buttons are pressed the name that appears on display
could be wrong. 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).
If during the movement the backlight remain green check the wiring (JP1) from the interface
board and the display.
The name displayed is wrong; check the position of
jumper in interface. It must be the same of machine model:
· Jumper on JP5 for Focus machine model
· Jumper on JP6 for Class machine model
Start condition Start condition
Operational check – keys Operational check – keys
Press STAND_BY “ Press STAND_BY “ ” to move to the next screen ” to move to the next screen
Press STAND_BY “ Press STAND_BY “ ” to move to the next screen ” to move to the next screen