Rail Runner Gen III
Rail Runner Gen III Operator’s Manual
30
3.10. Troubleshooting
Message
Problem
Solution
Limit switch activated during travel.
Set the direction
switch to ‘O’.
Limit switch active when powering.
Loosen the drive clutch knob
to disengage the gear. Move
the carriage until the limit
switch is released.
Direction switch not set to ‘O’ when
powering.
Set the direction switch to ‘O’.
Arc ignition switch set to TEST when
powering.
Set the arc ignition switch
to
‘O’.
Oscillation switch set to TEST when
powering.
Set the oscillation switch
to
‘O’.
Sensor tip fell out of the weld groove
when tracking and arcing.
Set the direction switch to ‘O’.
Make sure that the tension in
the rod of the sensor is cor-
rect. Use the correct tip for the
application.
No communication.
Make sure that all cables are
connected correct.
Controller failure.
Contact service center for
check and repair.
Motor overload.
Adjust the position of the
cables so that they do not
block the carriage. Remove
obstacles that block the
carriage or the drive gear.
