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.
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.
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.
Replace profile. Refer to Replacing the
Profile or see authorized service center.
Drive blade continues to get
stuck in down position
Jammed nail and driver blade is
stuck in down position.
Use stall release lever, clear any 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.
Replace profile. Refer to Replacing the
Profile or see authorized service center.
Clean nose area and watch closely for
small pieces of broken nails stuck in the
track.
Depth adjust set too shallow.
Rotate depth adjust to a deeper setting.