Service manual

39
Picker
Cup not
working
Visual check. Where is picker cup located?
HOME NOT HOME
Is vender plugged in?
NO YES
Go to Factory
Diagnostics.
Pull the top door switch out. Cycle
plunger multiple times. Does it return
home?
YES NO
Unplug plunger
home switch, Plug
Y home switch in
Plunger home
board port to
check plunger
harnessing. Red
LED works?
YES NO
Cycle plunger and
watch Red LED, does
it flash?
YES NO
Plug in
motor.
Check, repair, or replace
harness & connector.
Problem solved?
YES NO
Is P1 connected to
control board?
NO YES
Plug in connector. Plug in Vender.
Does plunger cycle?
YES NO
Remove Cup bottom cover.
Is motor plugged in?
YES NO
Press “0” key. Is there power to the motor
for 1 second (between 20 & 30 VDC)?
NO YES
Check, repair, or
replace, plunger,
spring, & plunger in
and out switches.
Replace
motor.
Trouble shoot Y
motor system.
See pg 37.
Check fuse on board.
Good Failed
Check top door switch working?
NO YES
Replace
switch.
Verify Y Home
switch toggles
green light on/off?
YES NO
Replace Cup
board.
Is plunger
touching shelf
NO YES
Re
p
lace
Is plunger touching target?
YES NO
Is plunger below target?
Go to “A”
Red LED is off
go to “B”
B
A
TBD
D
If the plunger is touching
the shelf then the cup is in
the wrong position.
Trouble shoot why cup is in
wrong position after
p
ushin
g
it off the shelf.
Manually push cup
down off shelf. See
“D” below.