Service manual

38
Do the Encoder counts increase
& decrease when moving the
XY manually?
YES NO
Encoder is bad
replace motor.
Manually move
Picker Cup to “A9”
position.
Do a test vend with
door closed.
Check, repair, replace harness.
Problem solved?
YE
S
NO
Replace
control board.
Is the display showing Encoder
count with a “1” at the end of
the X Axis code?
YES
N
O
###### 1 ###### 1
X axis Y axis
Check for Green
& Yellow LED’s.
If on go to
appropriate
Trouble Shooting
Pages. If off
“0” showing is
a mechanical
obstruction.
Check, replace motor as
needed. Problem solved?
NO YES
Pull top door
switch out.
Press the “F” key. Picker Cup
goes to the home position?
YES NO
Do a
position
test.
Run Y axis “A to E” &
X axis “2 to 7” five
times each. Does Picker
Cup stop in correct
position?
YES NO
Do a vend test
with door
closed.
While running does the
Green LED dimly light &
flicker?
YES NO
Check, repair,
or replace Y
axis ground
wire.
XY Slams to
Top/ Right 0r
Left
NO YES
Go to
Diagnostics
Connect.
Check ground wire on Y
motor is connected.
YES NO