Saeco Minuto, Service Manual

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MINUTO 05 TROUBLESHOOTING
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5.3.1. Minuto Focus/Class test mode
16
To enter Test Mode
The machine enters Test Mode by holding pressed together Espresso and Menu buttons (or Calc-
Clean button in Focus version) while switching on the machine by mean of the main switch on the
backside of the CA. Once entered in Test Mode, the display shows the fi rmware version.
The Test Mode is organized into 5 different pages :
Page 0: The display shows:
a) Firmware version.
b) CLASS or FOCUS type.
c) “120” if the machine is a 120V model.
d) Main supply frequency (50 or 60 Hz).
Page 1: Keyboard and display’s colour test:
a) Espresso button
b) Cafè Crème button
c) Steam button
d) Water button
e) Menu button (or CalcClean button in FOCUS version)
f) Aroma button
g) Stand-by button
h) Backlight colors
Page 2: Input signals test:
a) Water level sensor
b) Microswitch door closed/opened
c) Microswitch presence of the Brew Unit
d) Lever position on Espresso
e) Lever position on Drip
Page 3: Low voltage loads test:
a) Brew Unit movement upward and downward (24V DC)
Page 4: High/Low voltage loads test (Pump, E.Valve ) :
a) Pump (120-230V AC)
b) Electro Valve (24Vdc) ( The door must be closed !!)
Page 5 : High voltage loads test (Heater , Grinder ):
a) Heater (120-230V AC)
b) Grinder (170-320V DC)
ON/OFF button