English
12
TROUBLESHOOTING
BE sURE TO FOllOW sAFETY RUlEs AnD insTRUCTiOns
For assistance with your product, visit our website at www.dewalt.com for a list of service centers, or call
D
e
WALT
at
1‑800‑4‑
D
e
WALT
(1‑800‑433‑9258).
PROBlEM
POssiBlE CAUsE
sOlUTiOn
Fastener overdriving.
Power level too high / Fastener too short.
Use a lower powder load level number or a longer fastener.
Soft base material.
Check base material suitability section.
Tool does not fire.
Tool not depressed completely.
Fully compress the tool.
Contact an authorized D
e
WALT service center to have the tool
checked and/or serviced.
Firing pin damaged.
Replace damaged part(s).
Tool does not depress completely.
Damaged firing pin parts, ejector, etc. Parts
assembled improperly.
Check the parts for damage or improper assembly.
Power reduction or inconsistent
fastener penetration.
Piston does not fully return due to soft
base material.
Re-assemble the piston and nose. Avoid soft material such as
wood, etc..
Worn or damaged piston or bumper.
Replace piston or bumper.
Damaged or bent piston.
Remove and replace piston.
Load strip cannot be inserted into tool.
Improper loading.
Insert strip from the bottom of the tool handle.
Wrong caliber strip.
Use only short .27 caliber safety load strips.
Load strip will not advance.
Worn advance lever guide.
Replace advance lever guide. This should be performed by
qualified individuals.
Load detatches from the load strip.
Excessive fastening rate.
Stop using the tool immediately and contact an authorized
D
e
WALT service center to have the tool checked and/or serviced.
Remove the powder load strip and let the tool cool down.
Load strip cannot be removed.
Build-up of combustion residue.
Contact an authorized D
e
WALT service center to have the tool
checked and/or serviced.
Temperatures may become too high due to
frequency of usage.
Let the tool cool down. If the problem persists, contact an
authorized D
e
WALT service center to have the tool checked and/
or serviced.
Load will not fire when tool is
fully depressed.
Load is already fired.
Cycle tool.
Load misfire.
Follow safety procedure.
Broken firing pin.
Replace firing pin. This should be performed by
qualified individuals.
Broken or missing firing pin nut.
Replace firing pin nut. This firing pin nut should be performed by
qualified individuals.
Tool cannot be opened or cycled
Lack of proper cleaning.
Clean tool thoroughly.
Damaged or bent piston.
Remove and replace piston.
Broken or damaged parts.
Tag tool with warning "Defective - Do Not Use" place in locked
container and contact your D
e
WALT Authorized representative
for service.
Piston stuck in the forward position.
Piston has been overdriven and is jammed
in the barrel.
Tap the piston against a hard surface. Re-assemble and
adjust power/load to avoid overdriving fastener. Avoid soft
base material.
Powder load strip melts
Temperatures may become too high due to
frequency of usage.
Slow down the frequency of usage.
Remove the powder load strip and let the tool cool down.
Tool compressed and held too long
before firing.
Compress the tool for less time before firing.
Remove the powder load strip and let the tool cool down.
