English
16
TROUBLESHOOTING GUIDE
Many common problems can be solved easily by utilizing the chart below. For more serious or persistent problems,
contact a
D
e
WALT
service center or call 1-(800)-4-
D
e
WALT
.
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 contact
trip depressed
Trigger lock in locked position.
Unlock trigger lock.
Dryfire lock out engaged, blocking contact trip from
traveling fully.
Load more pins 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 does not return, remove battery and
manually push driver back to home position.
Battery is hot. (Check LED indicator to verify
these conditions.)
Let the battery cool or replace it with a cool pack.
Tool is hot. (Check LED indicator to verify
these conditions.)
Let the tool cool down before continuing use.
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 pins 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 up manually if necessary) reinsert battery pack.
Damaged driver.
Replace driver with kit.
Jammed internal mechanism.
See authorized service center.
Damaged internal electronics.
See authorized service center.
Motor starts up but generates a
lot of noise
Jammed pin and driver is stuck in down position.
Use stall release lever, clear and jammed pins, and return
driver manually if necessary.
Damaged driver.
Replace driver with kit.
Driver blade continues to get stuck
in down position
Jammed pin and driver is stuck in down position.
Use stall release lever, clear any jammed pins, and return
driver manually if necessary.
Debris in nosepiece.
Clean nose area and watch closely for small pieces of broken
pins stuck in the track. Refer to
Clearing a Jammed Pin
.
Damaged or worn driver.
Replace driver with kit.
Tool operates but does not drive
fasteners fully
Power setting in wrong position.
Set power to appropriate setting.
Tool not firmly applied to workpiece.
Apply adequate force to tool securing it tightly to workpiece.
See instruction manual.
Material and fastener length.
If the unit continues to stall (forcing the need to rotate the
stall release lever) choose the appropriate material and
fastener length that is not too rigorous of an application.
Use of incorrect power setting.
If trying to drive longer pins in soft woods, or driving pins
into harder materials using power setting 1 - adjust power
setting to 2.
Damaged or worn driver tip.
Replace driver with kit.
Damaged actuation mechanism.
See authorized service center.
Summary of Contents for DCN891
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