Philips Saeco Royal HD8838, Service Manual

Page: 31 / 52

SYNTIA CAPPUCCINO 05 TROUBLESHOOTING
Saeco International Group Page / 06 04
lev.
knob
pos.
display button function notes
L4
Initial status, buttons not pressed
and stopcock in water position.
Press the flavour button for the water to pass through
the boiler pin and the pulse indicator (PULS) will
increase, whereas the litre/hour (L/H) indicator should
be between 14 and 18.
ERROR: The display colour changes from green to
red and the pulses remain at 0, check the pump, flow
meter, its wiring and/or the connection on the POWER/
CPU board (JP5), the wiring of the pump and/or the
connection on the POWER/CPU board (JP24). If the
water does not pass through the boiler pin but through
the milk circuit or the safety/drain valve, verify the
operation of solenoid valve EV1 or EV2.
Press the expresso button to activate the solenoid valve
EV1 and activate the pump (flavour button) for the
water to come out of the safety/drain valve. The litre/
hour (L/H) indicator should be between 14 and 18.
ERROR: The display colour changes from green to
red and the pulses remain at 0, check the pump, flow
meter, its wiring and/or the connection on the POWER/
CPU board (JP5), the wiring of the pump and/or the
connection on the POWER/CPU board (JP24). If the
water does not pass through the safety/drain valve
but through the milk circuit or the boiler pin, verify the
operation of solenoid valve EV1 or EV2.
Press the expresso button to activate the solenoid
valve EV1 and activate the pump (flavour button) for
the water to come out of the milk circuit. The litre/
hour (L/H) indicator should be between 14 and 18.
ERROR: The display colour changes from green to
red and the pulses remain at 0, check the pump,
flow meter, its wiring and/or the connection on the
POWER/CPU board (JP5), the wiring of the pump and/
or the connection on the POWER/CPU board (JP24).
If the water does not pass through the milk circuit but
through the safety/drain valve or the boiler pin, verify
the operation of solenoid valve EV1 or EV2.
PRESS THE ON/OFF BUTTON TO ACCESS THE UPPER LEVEL
Functional
verification
Pump
/
Solenoid Valves EV1 - EV2
EV1 OFF IMP=0
EV2 OFF L/H=0
EV PUMP
EV1 OFF IMP=0
EV2 OFF L/H=0
EV PUMP
EV1 ON IMP=238
EV2 OFF L/H=15
EV PUMP
EV1 ON IMP=238
EV2 ON L/H=15
EV PUMP
EV1 ON IMP=0
EV2 OFF L/H=0
EV PUMP
EV1 ON IMP=0
EV2 OFF L/H=0
EV PUMP
EV1 OFF IMP=142
EV2 OFF L/H=15
EV PUMP