Use and Care Manual

ENGLISH
17
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 CAUSE FIX
Motor does not run with
trigger depressed
Trigger lock in locked position. Unlock trigger lock.
Tool is stalled, locking the motor from rotating. 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.
Tool is in the sequential actuation mode. Depress contact trip first before firing or switch to bump mode.
Tool internal electronics need to be reset. Remove battery, wait 3 seconds and reinsert.
Motor stops running after 5 seconds. Normal operation, release trigger and redepress.
Terminals are dirty or damaged. See authorized service center.
Damaged internal electronics. See authorized service center.
Damaged trigger. See authorized service center.
Motor does not run with contact
trip depressed
Trigger lock in locked position. Unlock trigger lock.
Dryfire lock out engaged, blocking contact trip
from traveling fully.
Load more nails into magazine.
Tool is stalled, locking the motor from rotating. 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.
Bent contact trip. See authorized service center.
Motor stops running after 5 seconds. Normal operation, release contact trip and redepress.
Terminals are dirty or damaged. See authorized service center.
Damaged internal electronics. See authorized service center.
Damaged trigger. See authorized service center.
Tool does not actuate (motor runs
but will not fire)
Dryfire lock out engaged, blocking contact trip
from traveling fully.
Load nails into magazine.
Low battery charge or damaged battery. Check charge level if pack shows state-of-charge. Charge or
replace battery pack if necessary.
Jammed nail/drive blade not returned to
home position.
Remove battery, clear jammed nail, cycle stall release
lever, (push driver blade up manually if necessary) reinsert
battery pack.
Damaged or worn return springs. Replace springs. Refer to DCN6901 Return Spring
Replacement Kit or see authorized service center.
Damaged or worn profile. Replace profile. Refer to Replacing the Profile or see
authorized service center.
Jammed internal mechanism. See authorized service center.
Damaged internal electronics. See authorized service center.
Motor starts up but generates a
lot of noise
Jammed nail and driver blade is stuck in
down position.
Use stall release lever, clear and jammed nails, and return
driver blade manually if necessary.
Damaged or worn return springs. Replace springs. Refer to DCN6901 Return Spring
Replacement Kit or see authorized service center.
Damaged or worn profile. Replace profile. Refer to Replacing the Profile or see
authorized service center.