troubleshooting
Problem/Symptom
Tool will not start or run slowly
Tool will not fully drive fastener
Tool does not advance fastener
Screws "kick out" or misdrive
during use
Bit will not install
Bit will not release
Bit slips off screw or screw is
driven at an angle
Probable Cause
No electrical power
Trigger switch is defective
Motor is defective
Bit is worn or incorrect bit installed Replace bit
Power capabilities of the tool have
been exceeded
Tool is in reverse
Depth of drive not set properly
Screw length/nosepiece position is
improperly set
Return spring is weak or broken
Defective collation material
Defective slide body
Screw strip is jammed in guide
track
Screw length/nosepiece position is
improperly set
Incorrect bit installed
Defective or damaged feed system
Bit not properly inserted into drive
shaft
Clutch teeth not aligned
Not a Senco bit
Not a Senco bit
Clutch teeth not aligned
Tool slid forward during drive
Bit is worn or broken
Nosepiece is worn or damaged
11
Corrective Action
Ensure tool is plugged in, check
power supply (fuse)
Replace or return to Senco autho-
rized service centre for repair
Discontinue use for that applica-
tion
Switch tool to forward
See p. #8
See p. #9
Replace or return to authorized
service centre for repair
Use Senco branded fasteners for
optimum performance
Replace or return to authorized
service centre for repair
Ensure strip slides freely in guide
track
See p. #9
Ensure correct bit type and length
are installed
Return to Senco or Authorized
service centre for repair
See p. #8
Pulse trigger while holding back
release button
Use only the appropriate Senco bit
Use only the appropriate Senco bit
Pulse trigger while holding back
release button
Hold tool firmly while driving
Replace bit
Replace or return to Senco autho-
rized service centre for repair