Dewalt D25872K Instruction Manual - Page 10

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. The extension cord and/or plug is defective. Have the extension cord and/or plug checked by a qualified electrician and replaced if necessary. Internal componets too hot. Allow tool to cool down. Brushes worn out. Have brushes replaced by an authorized DeWALT service center. Reduced Power. The extension cord is too long and/or its gauge Use an extension cord of an approved length and/or of is inadequate. adequate gauge. The speed dial is set to a lower setting. Rotate the speed dial to a higher setting suitable for the application. The voltage provided by the electric supply is inadequate. Connect the hammer to an adequate electric supply. The chisel cannot be released. The chuck is not pulled back fully. Pull the chuck back as far as it will go and remove the chisel. Refer to Inserting and Removing SDS MAX Chisels. 8