DeWalt DCST920P1 - Troubleshooting; Unit Will Not Start; Unit Shuts Down or Runs Slowly; Battery Charging Issues

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 
Unit will not start. • Checkbatteryinstallation.
• Checkbatterychargingrequirements.
• Checkthatlockoffisfullypulledbackpriortomovingmaintrigger.
Unit shuts down in use. • Chargebattery.
• Cleardebrisaroundspool.
• Reduce/limitswathto13inches(330mm)MAX.
• Reinstallguardifithasbeenremoved.
Battery won’t charge. • Insertbatteryintochargeruntilredcharginglightilluminates.Chargeupto8hoursifbatteryis
totally drained.
•
Plug charger into a working outlet. Refer to Important Charging Notes for more details.
• Checkcurrentatreceptaclebyplugginganappliance.
• Checktoseeifreceptacleisconnectedtoalightswitchwhichturnspoweroffwhenyouturn
out the lights.
• Movechargerandappliancetoasurroundingairtemperatureofabove40°F(4.5°C) or below
105°F(40.5°C).
Appliance runs slowly. • Fullydepressthevariablespeedtrigger.Theleveloftriggerdepressionaffectsspeed.
• If appliance still runs slowly, remove battery from appliance.
• Checkthatthespoolhousingcanrotatefreely.Carefullycleanitifnecessary.
• Checkthatthecuttinglinedoesnotprotrudemorethanapproximately4-13/16" (122 MM) from
the spool. If it does, cut it off so that it just reaches the line trimming blade.
Trimmer is vibrating. • Makesurebothcuttinglinesarethesamelength.
• Checktoseeifthespoolisproperlywound.Ifspoolisbrokenthenreplacespool.
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