18
Tool operates properly, but fasteners do not
drive fully.
Tool operates properly, but fasteners are
sometimes over-driven, and sometimes
under-driven.
Tool operates, but no fastener is driven.
Tool operates erratically or appears to be
losing power - tool indicator light is green.
Work-contacting element requires adjustment.
Fuel cartridge is low.
There may be loss of seal in combustion
chamber.
Work-contacting element is not adjusted
properly for the type of material being
fastened.
Wrong fasteners being used.
Jammed fastener.
Fuel cartridge is low.
Spark plug wire is loose.
Tool is dirty.
Adjust work contacting element.
Check fuel cartridge and replace as required.
Press work contacting element against
workpiece for one minute. Pull trigger. If
fastener does not drive, there is a leak that
requiresservice.
Adjust work-contacting element. Readjust
as required when material density or
thickness of material being fastened
changes.
Use only fasteners meeting
Duo-Fast
®
applications section for fastener types and
sizes recommended for use in Cordless
tool.
Clear jam.
Check fuel cartridge.
Check spark plug wire.
water to remove stubborn debris.
Clean tool.
Normal Stage of Operation
E
C
I
V
R
E
S
S
M
E
L
B
O
R
P
E
L
B
I
S
S
O
P
M
O
T
P
M
Y
S
Tool operated and drove fasteners, but
driver blade did not return to up position.
Combustion chamber does not drop after
tool cycles.
Built-up dirt and debris on driver blade or on
nose bore.
Tool is dirty.
Work-contacting element is bent, or is dirty.
Clean driver blade and nose bore with
degreaser cleaner.
Clean tool.
Clean nose area or replace work-contacting
element.
If tool will not operate after following the above service directions, return the tool to an authorized Duo-Fast
®
representative for service.
For the nearest
Duo-Fast
®
representative call 1-888-631-2020.
For technical support call 1-800-222-6990 or visit our web site at www.duofastconstruction.com.
Troubleshooting
For factory direct service
call 1-800-447-3830.
specifications. Check fasteners and
Air filter is dirty, causing tool to overheat.
Remove air filter and clean. Use soap and
An Illinois Tool Works Company
955 National Parkway
Suite 95500
Schaumburg, Il 60173
www.duofastconstruction.com
17
Tool needs to be warmed up. Warm tool. Refer to page 13.
