DeWalt XR LI-ION DCN890 Manuel page 20

English
SYMPTOM
Tool operates, but no fastener
is driven
Jammed nail
Driver blade does not slide
backward and forward smoothly
through its firing path
18
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CAUSE
No pins in magazine
Wrong size or angle pins
Debris in nosepiece
Debris in magazine
Damaged or worn driver
Worn magazine
Damaged pusher spring
Wrong size or angle pins
Magazine not secured after previous jam clear/
inspection
Damaged or worn driver
Material and fastener length
Debris in nosepiece
Damaged pusher spring
Dry fire lock out is engaged with only 2–4 pins
remaining in magazine and the user is applying
excessive force to contact trip, overriding the lockout
Tool is not yet run-in
Use of incorrect speed
Worn magazine
Driver blade is bent
FIX
Load pins in magazine.
Use only the recommended pins. Refer to Technical Data.
Clean nose area and watch closely for small pieces of broken pins stuck
in the track.
Clean magazine
Replace driver with kit.
Replace magazine. See authorised service centre.
Replace spring. See authorised service centre.
Use only the recommended pins Refer to Technical Data.
Make sure to magazine is latched properly.
Replace driver.
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 pins stuck
in the track.
Replace springs. See authorised service centre.
Load more pins in magazine to disengage dryfire lockout.
New tools can take 100–500 pins for parts to mesh and wear in
together. Drive shorter pins during this period if experiencing difficulty
fully driving pins.
If trying to drive longer pins in soft materials, or driving pins into harder
materials using speed 1 - adjust speed setting to position 2 or 3.
Replace magazine. See authorised service centre.
Replace driver.