SC Series Controllers
Troubleshooting
12
Troubleshooting
12.1
Fault guide
Use the following Error Code guides to identify, isolate, and diagnose both mechanical and software issues.
Fault
Possible Cause
Defective tool, cable,
or controller
Low DC bus voltage Increase speed of
Overcurrent Fault!
Defective tool, cable,
or controller
Defective Tool
GFI Fault!
118 / 1032
Probable Solution
Major Considera-
tion That Led to
Solution
Replace defective
Exchanging known
tool, cable, or
good tools controllers
controller
and cables can
determine which
caused a failure
A larger tool is used
tool, increase
with a long rundown
downshift speed, or
or Downshift Speed
remove downshift
set very low.
altogether.
Fluctuating incoming
Create a Pre-torque
AC voltage as seen
step with a Delay
on the ANALYZE
Between Steps of at
screen.
least 0.05 seconds.
Change input voltage
to 230 V AC
Replace defective
Exchanging known
tool, cable, or
good tools controllers
controller
and cables can
determine which
caused a failure
Replace defective
Use an ohmmeter or
tool
the motor tester to
check: Phase-to-
phase
values; they should
be equal.
To Clear/Reset from
Fault Condition
Replace defective
tool, cable, or
controller.
If the controller is
found to be defective,
return to STANLEY
Assembly
Technologies for
repair.
If the tool is found to
be defective, repair it
by replacing the
motor or gearing or
head.
Fault condition resets
when DC bus voltage
is within limits.
Replace defective
tool, cable, or
controller.
If the controller is
found to be defective,
return to STANLEY
Assembly
Technologies for
repair.
If the tool is found to
be defective, repair it
by replacing the
motor.
Replace defective
tool
