DeWalt DCN690 Operator's Manual page 19

EN GLI SH
TROUBLESHOOTING GUIDE (continued)
SYMPTOM CAUSE
Drive blade continues to get Jammed nail and driver blade is stuck in
stuck in down position down position
Damaged driver/return assembly
Material and fastener length
Debris in nosepiece
Tool operates but does not Depth adjust set too shallow
drive fasteners fully
Tool not firmly applied to workpiece
Bump mode selected with long nails
Material and fastener length
Damaged or worn driver blade tip
Tool used with non-mar tip
Damaged actuation mechanism
Tool operates, but no No nails in magazine
fastener is driven
Wrong size or angle nails
Debris in nosepiece
Debris in magazine
Worn magazine
Damaged or worn driver blade
Damaged pusher spring
Jammed nail Wrong size or angle nails
Magazine screws not secured after
previous jam clear/inspection
Damaged or worn driver blade
Material and fastener length
Debris in nosepiece
Worn magazine
Damaged pusher spring
Dry fire lock out is engaged with only 7-9
nails remaining in magazine and the user
is applying excessive force to contact
trip, overriding the lockout
52
FIX
Use stall release lever, clear and jammed nails,
and return driver blade manually if necessary.
Replace driver/return assembly. See authorised
D WALT repair agent.
E
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 an application.
Clean nose area and watch closely for small
pieces of broken nails stuck in the track.
Rotate depth adjust to a deeper setting
Apply adequate force to tool securing it tightly to
workpiece. Refer to instruction manual.
Select sequential mode.
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.
Replace driver/return assembly. See authorised
D WALT repair agent
E
Remove non-mar tip.
See authorised D WALT repair agent.
E
Load nails in magazine
Use only the recommended nails. Refer to
Technical Data.
Clean nose area and watch closely for small
pieces of broken nails stuck in the track
Clean magazine.
Replace magazine. See authorised D
repair agent.
Replace driver blade. See authorised D
repair agent.
Replace spring; see authorized service center.
Use only the recommended nails. Refer to
Technical Data.
Make sure to tighten magazine hex bolts with
wrench provided.
Replace driver blade. See authorised D
repair agent.
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 an application.
Clean nose area and watch closely for small
pieces of broken nails stuck in the track.
Replace magazine. See authorised D
repair agent.
Replace spring. See authorised D
agent.
Load more nails in magazine to disengage dryfire
lockout.
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