Troubleshooting
Before You Begin
1. Make sure that the battery is charged. Recheck
the battery after several minutes to make sure the
battery is holding its charge.
Problem
Tool is inoperative.
Motor is inoperative.
Motor runs but tool will
not complete a cycle.
Dies stop during
operation.
LED glows for 20
seconds.
Tool loses oil.
Note: For Warranty Service or Repair, contact Greenlee customer service at 800-435-0786.
Greenlee Tools, Inc.
Possible Cause
Dirt, contaminants, etc. in ram
area of tool.
Tool battery contacts
damaged.
Tool components worn or
damaged.
Low or uncharged battery.
Broken switch components.
Oil level low.
Air in hydraulic system.
Cold oil.
Oil level low.
Air in hydraulic system.
Battery charge low.
Damaged internal seal.
LS50L2 Knockout Driver
2. Use a nonflammable contact cleaner or pencil
eraser to clean the electrical contacts on the battery
and tool.
3. Reinstall the battery and check the tool again.
Probable Remedy
Clean tool.
Reform contacts.
Return tool to a Greenlee Authorized Service Center.
Try known charged battery. Inoperative battery may be
discharged or may have reached life expectancy.
Return tool to a Greenlee Authorized Service Center.
Return tool to a Greenlee Authorized Service Center.
Pull trigger and hold return button simultaneously.
Run for approximately 10 seconds, and then attempt
to punch. If unsuccessful, return tool to a Greenlee
Authorized Service Center.
Pull trigger and hold return button simultaneously to
warm oil. Store tool in warm area.
Return tool to a Greenlee Authorized Service Center.
Pull trigger and hold return button simultaneously.
Hold for approximately 10 seconds.
Charge or replace battery.
Return tool to a Greenlee Authorized Service Center.
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070