Troubleshooting Guide - Craftsman CMCN621PL Manual De Instrucciones

English
MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW. FOR MORE SERIOUS OR PERSISTENT
PROBLEMS, CONTACT A CRAFTSMAN SERVICE CENTER OR CALL 1-(888)-331-4569.

WARNING: To reduce the risk of serious personal injury, ALWAYS disconnect battery pack from tool before
all repairs.
sYMPTOM
Motor does not run with contact
trip depressed
Tool does not actuate (motor runs
but will not fire)
Motor starts up but generates a
lot of noise
Drive blade continues to get stuck in
down position
16

TROUBLESHOOTING GUIDE

CAUsE
Trigger lock in locked position.
Dryfire lock out engaged, blocking contact trip
from traveling fully.
Tool is stalled, locking the motor from rotating.
Bent contact trip.
Motor stops running after 5 seconds.
Terminals are dirty or damaged.
Damaged internal electronics.
Damaged trigger.
Dryfire lock out engaged, blocking contact trip
from traveling fully.
Low battery charge or damaged battery.
Jammed nail/drive blade not returned to
home position.
Damaged or worn return springs.
Damaged or worn profile.
Jammed internal mechanism.
Damaged internal electronics.
Jammed nail and driver blade is stuck in
down position.
Damaged or worn return springs.
Damaged or worn profile.
Jammed nail and driver blade is stuck in
down position.
Damaged or worn return springs.
Damaged or worn profile.
Debris in nosepiece.
FiX
Unlock trigger lock.
Load more nails into magazine.
Rotate the stall release lever on the tool and the mechanism
will release. If driver blade does not return, remove battery and
manually push driver blade back to home position.
See authorized service center.
Normal operation, release contact trip and redepress.
See authorized service center.
See authorized service center.
See authorized service center.
Load nails into magazine.
Check charge level if pack shows state-of-charge. Charge or
replace battery pack if necessary.
Remove battery, clear jammed nail, cycle stall release
lever, (push driver blade up manually if necessary) reinsert
battery pack.
Replace springs. Refer to Return Spring Replacement Kit or
see authorized service center.
Replace profile. Refer to Replacing the Profile or see
authorized service center.
See authorized service center.
See authorized service center.
Use stall release lever, clear and jammed nails, and return
driver blade manually if necessary.
Replace springs. Refer to Return Spring Replacement Kit or
see authorized service center.
Replace profile. Refer to Replacing the Profile or see
authorized service center.
Use stall release lever, clear any jammed nails, and return
driver blade manually if necessary.
Replace springs. Refer to Return Spring Replacement Kit or
see authorized service center.
Replace profile. Refer to Replacing the Profile or see
authorized service center.
Clean nose area and watch closely for small pieces of broken
nails stuck in the track.