55
User manual
ENGLISH
19
Display indications
GR.# FLOW TOO FAST
GRIND TO FAST
t Coarse grinding: reduce the grinding degree.
t Short coffee dose: adjust the dose on the
grinder-doser.
t Ground coffee too old: use fresh-ground coffee.
t Ambient humidity lower than usual: slightly
reduce the grinding degree.
GR.# FLOW TOO SLOW
GRIND TO LOW
t Fine grinding: increase the grinding degree
t Long coffee dose: adjust the dose on the
grinder-doser
t Ambient humidity higher than usual: slightly
increase the grinding degree
t Hydraulic circuit obstructed: contact the Techni-
cal Support Service
GROUP WASHING
t The group washing needs to be carried out as
indicated in chapter 15.
ENERGY SAVING
+ flashing of the STOP/PROG keys
t All the groups are in stand-by or the entire ma-
chine (including the services boiler) is in energy
savings phase.
-- OFF --
t The machine is off in automatic mode.
The LED of the STOP/PROG key remains lit constantly.
t Delivery group off.
Flashing STOP/PROG key.
t One or more delivery groups (but not all of
them) are in standby.
!
If indications other than those indicated above
should appear or if the machine presents any type
of failure, turn the machine off and contact the
Technical Support Service. Any repairs that are
not carried out by an authorised service centre, in
addition to compromising the machine’s safety,
may seriously damage the equipment and render
the guarantee null and void.
Summary of Contents for VALINA PLUS 4U
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