Dewalt DWFP71917 Instruction Manual - Page 16

English TROUBLESHOOTING GUIDE MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW. FOR MORE SERIOUS OR PERSISTENT PROBLEMS, CONTACT A DEWALT SERVICE CENTER OR CALL 1-(800)-4-DEWALT. WARNING: To reduce the risk of serious personal injury, remove fasteners from magazine before making any adjustments or servicing this tool. SYMPTOM CAUSE FIX Skipping fasteners; intermittent Worn bumper feed Debris in nose, door, contact arm area Replace bumper Clean nose, door, contact arm area Air restriction/inadequate air flow through quick disconnect Replace quick disconnect fittings socket and plug Worn piston ring Replace ring, check driver Damaged pusher spring Replace spring Low air pressure Check air supply system to tool Loose magazine nose screws Tighten all screws Fasteners too short for tool Use only recommended fasteners Bent fasteners Discontinue using these fasteners Wrong size fasteners Use only recommended fasteners Leaking head cap gasket Tighten screws/replace gasket Trigger valve O-ring cut/worn Replace O-ring Broken/chipped driver Replace driver (check piston ring) Dry/dirty magazine Clean Worn magazine Replace magazine Clogged air filter Clean or replace air filter Fasteners jam in tool Driver channel worn Replace nose/check door Wrong size fasteners Use only recommended fasteners Bent fasteners Discontinue using these fasteners Loose magazine/nose screws Tighten all screws Broken/chipped driver Replace driver 14