Troubleshooting Guide
Power Feed Circuit Troubleshooting
Troubleshooting Guide
30S97doc041910
6-9
6
6.4
Power Feed Circuit Troubleshooting
LT30 Super
Rev. G6.00+
LT40 Super
Rev. G7.00+
LED lights are provided on the control module to help troubleshoot any feed problems
you may encounter.
See Figure 6-1.
The lights can be viewed by removing the rear control box panel.
If you have trouble determining the problem indicated by the LED lights, please note
which lights are on and call customer service for assistance.
IN
- This light normally brightens and dims as the feed rate switch is turned up or down. If
the light is always on or always off, the feed rate switch is probably miswired. An erratic
light indicates a worn or defective feed rate switch.
OV
- This light indicates an overvoltage condition. This can be caused by a defective
alternator not regulating voltage properly or a bad connection. The OV light will come on
and deactivate the power feed control output until the problem is corrected.
OL
- This light indicates an extreme overload condition of the power feed motor caused
by a mechanical bind or a short in the wiring between the motor and circuit board. The OL
light will come on and deactivate the power feed control output until the problem is cor-
rected.
OUT
- This light normally dims and brightens at the same rate as the IN light when the
FIG. 6-1
3H0400B-3
See
Detail
OUT
IN
PWR
OV
OL
DETAIL