Drive Motor Fault Tree - Accuprint AP42CL 8000 Service Manual

No
Does lower frame move
into unit
No
Check for DC output
on pins 1 and 5 of
J9 on back of control
box PCB, 64CT464.
Also check the fuse.
Yes
No
Replace 64CT464
Check for
board in control
120 VAC
box
input on
motor speed
controller
pins L1 & L2
Yes
No
Check wires
from 31MSC01
to the step down
transformer in
the control box.
94MS42 Rev.B1 S/W Ver 2.06

Drive Motor Fault Tree

Manually position both
frames in a mid position
Does upper frame move
into unit?
Yes
Motor speed controller
wires, A1, A2, reversed
check against wiring
diagram
Check wiring
Replace
from switch to
31MSC01
control box
motor speed
control board
Turn unit on
No
Try a blank tray
cycle. Do frames
switch position?
No
Do the In/Out
LEDs change
on control box?
Yes
No
Probable bad relay
on 64CT464.
Replace board
Yes
Wait 20 seconds.
Does integrator
display an error
message?
Yes
Refer to Err
message page
in the service
manual
Yes
Perform a diagnostic
test to ensure frame
movement. Refer to
Diagnostic section in
the service manual.
15-3