Normal Stage of Operation
S
Y
M
P
T
O
M
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.
Tool operated and drove fasteners, but
driver blade did not return to up position.
Combustion chamber does not drop after
tool cycles.
If tool will not operate after following the above service directions, return the tool to an authorizes Duo-Fast
representative for service.
For Technical Support call 1-866-443-5754.
P
O
S
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B I
L
E
P
R
O
B
Work-contacting element requires adjustment.
Fuel cell 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.
Follower not properly engaged behind fastener
strip.
Jammed fastener.
Fuel cell is low.
Spark plug wire is loose.
Filter element is dirty, causing tool to overheat.
Built-up dirt and debris on driver blade or in
nose bore.
Mid check is dirty or disabled.
Work-contacting element is bent or is dirty.
Troubleshooting
L
E
M
S
Adjust work contacting element.
Check fuel cell 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
requires service.
Adjust work-contacting element. Readjust as
required when material density or thickness
of material being fastened changes.
Use only fasteners meeting Duo-Fast
specifications. Check Fasteners and
Applications section for fastener types and
sizes recommended for use in Cordless tool.
Position follower behind fastener strip and
engage strip.
Clear jam.
Check fuel cell.
Check spark plug wire.
Remove filter element and clean. Use soap
and water to remove stubborn debris.
Clean driver blade and nose bore with
degreaser cleaner.
Return tool to authorized Duo-Fast Cordless
dealer for service.
Clean or replace work-contacting element.
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