Saeco Minuto Service Manual page 54

MINUTO
It is possible to hear the "click" from Electro Valve. The indication It is possible to hear the "click" from Electro Valve. The indication
beside the EV1 changes from "OFF" to "ON". beside the EV1 changes from "OFF" to "ON".
Press the MEDIUM COFFEE button to open the Electro Valve 2 Press the MEDIUM COFFEE button to open the Electro Valve 2
It is possible to hear the "click" from Electro Valve. The indication It is possible to hear the "click" from Electro Valve. The indication
beside the EV2 changes from "OFF" to "ON". beside the EV2 changes from "OFF" to "ON".
Press the CAPPUCCINO button to switch on the pump Press the CAPPUCCINO button to switch on the pump
The water goes out from the pipe and the indication IMP shows The water goes out from the pipe and the indication IMP shows
increasing numbers. The indication L/H must be within the range increasing numbers. The indication L/H must be within the range
10-18. 10-18.
ERROR: The display backlight changes from green to red and the ERROR: The display backlight changes from green to red and the
impulse remains 0; If water comes out the pipe: check the wiring impulse remains 0; If water comes out the pipe: check the wiring
from the fl owmeter to the CPU/POWER board (JP5). If no water from the fl owmeter to the CPU/POWER board (JP5). If no water
comes out the pipe: check the pump and the wiring from the pump comes out the pipe: check the pump and the wiring from the pump
to the CPU/POWER board (JP24). to the CPU/POWER board (JP24).
ERROR: The L/H is zero or very low; the Electro Valve does not ERROR: The L/H is zero or very low; the Electro Valve does not
open. Check the wiring from the Electro Valve to the CPU/POWER open. Check the wiring from the Electro Valve to the CPU/POWER
board (JP3) and the Electro Valve. board (JP3) and the Electro Valve.
Press STAND_BY " Press STAND_BY "
The machine passes to the level 5 (Heater-Grinder) The machine passes to the level 5 (Heater-Grinder)
Press the CAPPUCCINO button to switch on the grinder Press the CAPPUCCINO button to switch on the grinder
IMPORTANT NOTE: If the COFFEE BEANS Cover is not inserted
the Grinder test cannot be performed in 120V. If this input is not in
the right position, a warning message will be shown and the display
turns to yellow.
The grinder rotates and in the indication GRINDER the number The grinder rotates and in the indication GRINDER the number
increasing up to 40. The other numbers inside the GRINDER box increasing up to 40. The other numbers inside the GRINDER box
are not important for this test. are not important for this test.
" to move to the next screen " to move to the next screen
05 TROUBLESHOOTING
Page
13
/ 46