N & W Global Vending – TECHNI CAL MANUAL
This document w as produced by MARK AC for the exclusive use of the technical personnel in the after- sales service.
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VENDI NG
“KORI NTO FB”
23/ 08/ 06
Page 34 / 38
The display indicates
the message
“Fresh- Brew er Piston”
The default position is determined
by the micro-switches, and the
position is factory preset; if for any
reasons they are not triggered,
FRESH-BREW coffee selections are
disabled.
The standby position is checked by a position micro-
switch, and every time the machine is started the unit
is checked.
check that:
the motor is started, the position micro-switch works
correctly, the brewing chamber is not clogged with
too much coffee.
the filter is not clogged.
Check the connection with the FB board
The display indicates
the message
“Fresh- Brew er Brush”
The default position is determined
by the micro-switches, and the
position is factory preset; if for any
reasons they are not triggered,
FRESH-BREW coffee selections are
disabled.
The standby position is checked by a position micro-
switch, and every time the machine is started the unit
is checked.
check that: the brush is new and the motor is
activated.
That there are not any mechanical blockages.
Check the connection with the FB board
The display indicates
the message
“Machine Lock”
The machine is locked upon
reaching the number of selections
set with the “ selection counter”
function.
“
Selection counter
”
Remove the coffee grounds container, empty it and
replace it. Reset will be automatic
The mixers
Clog Up
Failed rotation of the mixer.
Excessive instant product dose.
Steam exhaust box clogged.
Water to powder ratio not correct.
Check for the motor overheat protection trigger, if
necessary check the cause of such trigger.
Empty the powder removal box, adjust and check
the correct water to powder ratio.
Check the logic of the cycles.
Check the activation of relay K3.
