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ENGLISH
TROUBLESHOOTING GUIDE
BE SURE TO FOLLOW SAFETY RULES AND INSTRUCTIONS
For assistance with your product, visit our website at www.dewalt.com for a list of service centers, or call DeWALT at
1‑800‑4‑DeWALT (1‑800‑433‑9258).
PROBLEM POSSIBLE CAUSE SOLUTION
Tool will not start. Battery pack not installed properly. Check battery pack installation.
Battery pack not charged. Check battery pack charging requirements.
Internal componets too hot. Allow tool to cool down.
Reduced Power. Battery has low state of charge. Replace with fresh battery pack.
The bit does not rotate. The mode selector dial is not correctly engaged, or is set
to “Hammering Only”.
Rotate the mode selector dial to "Rotary Hammering". Refer to
Operation Modes.
The bit cannot be released. The chuck is not pulled back fully. Pull the chuck back as far as it will go and remove the bit. Refer
to To Insert a Drill Bit or Other Accessory.
Tool shuts off abruptly.
Battery pack has reached its maximum thermal limit. Allow battery pack to cool down.
Out of charge. (To maximize the life of the battery
pack it is designed to shut off abruptly when the
charge is depleted.)
Place on charger and allow to charge.
Battery pack will not charge.
Battery pack not inserted into charger. Insert battery pack into charger until LED illuminates.
Charger not plugged in. Plug charger into a working outlet. Refer to Important
Charging Notes for more details.
Surrounding air temperature too hot or too cold. Move charger and battery pack to a surrounding air temperature
of approximately 65 °F – 75 °F (18 °C– 24 °C).
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