Dewalt DCN21PLM1 Instruction Manual - Page 19

English TROUBLESHOOTING GUIDE MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW. FOR MORE SERIOUS OR PERSISTENT PROBLEMS, CONTACT A DeWALT SERVICE CENTER OR CALL 1-(800)-4-DeWALT. WARNING: To reduce the risk of serious personal injury, ALWAYS disconnect battery pack from tool before all repairs. SYMPTOM Motor does not run with trigger depressed Motor does not run with contact trip depressed Tool does not actuate (motor runs but will not fire) Motor starts up but generates a lot of noise CAUSE Trigger lock in locked position. Tool is stalled, locking the motor from rotating. Tool is in the sequential actuation mode. Tool internal electronics need to be reset. Motor stops running after 5 seconds. Terminals are dirty or damaged. Damaged internal electronics. Damaged trigger. Trigger lock in locked position. Dryfire lock out engaged, blocking contact trip from traveling fully. Tool is stalled, locking the motor from rotating. Bent contact trip. Motor stops running after 5 seconds. Terminals are dirty or damaged. Damaged internal electronics. Damaged trigger. Dryfire lock out engaged, blocking contact trip from traveling fully. Low battery charge or damaged battery. Jammed nail/drive blade not returned to home position. Damaged or worn return springs. Damaged or worn profile. Jammed internal mechanism. Damaged internal electronics. Jammed nail and driver blade is stuck in down position. Damaged or worn return springs. Damaged or worn profile. FIX Unlock trigger lock. Rotate the stall release lever on the tool and the mechanism will release. If driver blade does not return, remove battery and manually push driver blade back to home position. Depress contact trip first before firing or switch to bump mode. Remove battery, wait 3 seconds and reinsert. Normal operation, release trigger and redepress. See authorized service center. See authorized service center. See authorized service center. Unlock trigger lock. Load more nails into magazine. Rotate the stall release lever on the tool and the mechanism will release. If driver blade does not return, remove battery and manually push driver blade back to home position. See authorized service center. Normal operation, release contact trip and redepress. See authorized service center. See authorized service center. See authorized service center. Load nails into magazine. Check charge level if pack shows state-of-charge. Charge or replace battery pack if necessary. Remove battery, clear jammed nail, cycle stall release lever, (push driver blade up manually if necessary) reinsert battery pack. Replace springs. Refer to DCN6901 Return Spring Replacement Kit or see authorized service center. Replace profile. Refer to Replacing the Profile or see authorized service center. See authorized service center. See authorized service center. Use stall release lever, clear and jammed nails, and return driver blade manually if necessary. Replace springs. Refer to DCN6901 Return Spring Replacement Kit or see authorized service center. Replace profile. Refer to Replacing the Profile or see authorized service center. 17