Philips Saeco Moltio, Service Manual

Page: 36 / 66

MOLTIO 05 SERVICE MODE
5/13
Press the LATTE MACCHIATO button to switch on the Pump
The water begins to leak from the tube and the indication IMP (pulse
flowmeter) the display shows an increasing number.
The indication L / H must be in the range 10-18
ERROR: The display backlight changes from green to red and the
impulse remains 0; If water comes out the pipe: check the wiring from the
flowmeter to the CPU/POWER board (JP5). If no water comes out the pipe:
check the pump and the wiring from the pump to the CPU/POWER board
(JP24).
Press CAPPUCCINO to move to the next screen
Operational check - coffee grinder and boiler
Start condition
Remuve the beans cover
The signal changes from “COVER ON” to “COVER OFF”.
ERROR :
If the indication COVER ON / OFF COVER does not match
respectively the PRESENCE /ABSENCE of the cover beans
Check presence and alignment with magnente REED sensor.
Presence REED sensor and wiring to CPU JP25.
Reposition the beans cover
The grinder starts to spin and the number of pulses is marked in
as circled in red, the other numbers at the moment, are not
important for the test
ERROR :
If the number is 0, the backlight changes to red, and the motor
moves, then the fault is to be found in Hall sensors, or in their
associated wiring, or in the CPU / POWER (JP2). If the engine does not
start then the fault lies in the chain (JP8), wiring, coffee grinder, or the
grinder itself
Temperature control
The circled number expresses the temperature of the boiler in degrees
centigrade