Part No. 40462
DPL-25S • DPL-30S • DPL-35S Super Series
5 - 15
September 2016
Section 5 - Troubleshooting Flow Charts
Chart 6
Machine Will
Not Lift - DC
Models
Be sure the
keyswitch is in the
appropriate position.
Be sure the
Emergency Stop
buttons are pulled
up to the on
position.
Be sure the power
light and all interlock
display lights are
on.
0V DC
Replace the P.C. board.
Check for power at
terminal 9 (red wire) of 13
pole terminal strip (J1).
Put Neg. lead of voltage
meter on terminal 10
(ground terminal).
Check for power at
terminal 1 of Emergency
Stop switch contact in
platform control box. Put
Neg. lead of voltage
meter on terminal 10
(green/yellow wire) of 13
pole terminal strip (J1) in
ground control box.
Replace 16/6 cable
because of open in red
wire OR repair open in
quick disconnect under
ground control box.
Emergency Stop switch
should be pulled up for
the contact to close.
Check for power at
terminal 2 of Emergency
Stop switch contact.
Replace Emergency Stop
switch N.C. contact
block.
Check for power at
terminal 4 of control
activate switch.
Replace the red wire
(because of open circuit)
between the Emergency
Stop switch contact
block and the control
activate switch contact
block.
While pushing in and
holding the control
activate switch, check for
power at terminal 3 of the
control activate switch
contact.
Replace the control
activate switch N.O.
contact block.
12V DC
0V DC
12V DC
0V DC
12V DC
0V DC
12V DC
12V DC
0V DC
Continued on the next
page.