DeWalt 20V MAX DCN890 User Manual

ENGLISH
12
Pin does not drive deep enough.
Cause:
- Pin too long.
- Power setting too low.
Action:
- Use shorter pin.
- Switch to higher power
setting.
Pin drives too deep.
Cause:
- Pin too short for application.
- Power setting too high.
Action:
- Use longer pin.
- Switch to lower power
setting.
Pin bends.
Cause:
- Pin hit large aggregate on
entry.
- Too hard/high strength
concrete.
- Pin hit rebar just under
surface.
Action:
- Use shorter pin.
- Make sure nailer is
perpendicular to the work
surface.
- Move 3 inches and
tryagain.
STEEL
Pin does not penetrate the surface.
Cause:
- Power setting too low.
- Material to hard for pin
type.
Action:
- Increase tool power setting.
Pin breaks or bends.
Cause:
- Pin too long.
- Power setting too low.
- Material to hard for pin
type.
Action:
- Use shorter pin.
- Switch to higher power
setting.
Pin does not hold in the steel.
Cause:
- Steel base material too thin.
Action:
- Use thicker base material.
Headlights/LED Indicator (Fig. A)
There are low battery and jam/stall indicator lights
9
located on the front of the tool on each side of the
magazine.
LOW BATTERY
Replace battery with a charged pack.
HOT PACK
Let the battery cool or replace it with
a cool pack.
JAM/STALL CONDITION
Rotate the stall release lever to
release.
Refer to Stall Release or Clearing a
Jammed Pin.
HOT TOOL (Both LEDs Flashing)
Let the tool cool down before
continuing use.
or any other
combination.
ERROR
Reset tool by removing and
reinserting battery pack or cycling
trigger lock off. If error code persist,
take tool to an authorized D
EWALT
service center.
Stall Release (Fig. J)
If the nailer is used in harder material where all available
energy in the motor is used to drive a fastener, the tool may
stall. The driver will not complete the drive cycle and the
jam/stall indicator will flash. Rotate the stall release lever
8
on the tool and the mechanism will release.
NOTE: The tool will disable itself and not reset until the
battery pack has been removed and reinserted. If the
driver does not automatically return to the home position,
proceed to Clearing a Jammed Pin. If the unit continues
to stall please review the material and fastener length to
be sure that it is not too rigorous an application. The nailer
could also be overheated and needs time to cool before
further use.

DeWalt 20V MAX DCN890 Specifications

General

Voltage	20V MAX
Tool-Free Jam Release	Yes
Depth Adjustment	Yes, tool-free
Power Source	Battery
Battery Included	No
Charger Included	No
Magazine Capacity	55 nails
Firing Modes	Sequential
Fastener Length	1/2 - 1 in
Battery Compatibility	20V MAX
Fastener Type	Concrete Nails, Steel Pins