Hog Slat Inc. Newton Grove, NC USA June 2015 2
Troubleshooting
Problem Possible Cause Corrective Action
Drive unit motor will not run.
Motor will not run. Check wiring, fuses, and switches on
equipment.
Safety switch activated in drive unit. Refer to Safety switch section.
Motor thermal overload switch
activated Check motor overload reset
Motor overloads after running briefly
Low voltage (motor runs slow &
overheats) Check line voltage at motor; confirm
appropriate wire size
Foreign object stuck in chain Remove foreign object
System too full with feed Check fill system rate, check
proximity switch
Wet feed being transported or
allowed to stand in system Clean system; avoid transporting wet
feed or empty line after each feeding
Defective motor Replace motor
Safety switch activated
Chain in system not tight enough Remove sections of chain; reset limit
switch
Chain has broken in system Repair broken section and reattach
with chain coupler; reset Safety
switch
Foreign object in system Remove foreign object; reset Safety
switch
System too full with feed Check fill system rate; reset Safety
switch
Drive unit motor does not shut off
when full
Proximity switch sensitivity not
adjusted properly (Not sensitive
enough) Adjust sensitivity
Drive unit motor always shuts off
immediately after proximity by-pass
time
Proximity switch sensitivity not
adjusted properly (Too sensitive) Adjust sensitivity
Part Number: HSMANUAL-069 Rev IR
Market: Hog
