T-SAS-GCNM12 ©
2012 Simpson Strong
-T
ie Company Inc.
-17-
Symptom Cause
Solution
Over-driving
Fasteners
Excessive power
Turn depth control dial (GCN-MEP only) towards
the “-“ symbol
Soft base material
Check base material – center punch test
Pin too short for application
Use longer pin or washer pin
Tool does
not fire
Tool not completely depressed
Firmly depress tool before firing
Excessive dirt on chamber
and breech
Properly clean tool
Dead or weak battery
Replace or recharge battery
Empty fuel cell
Replace with new GFC34 fuel cell
Reduction
or loss of
power
Piston is not returned to
ready position
Clean tool and remove excess
carbon built up in barrel
Damaged seal
Replace worn parts*
Piston will
not fully
reset
Excess carbon build up in barrel
Completely clean the tool
Bent or damaged piston
Replace piston
Other damaged parts
Tag the tool “Defective – Do not use”.
Place the tool in a locked container, and
contact your local Simpson Strong-Tie
®
representative
Plastic debris on piston or
in nosepiece
Remove piston, fastener guide and remove
debris
TROUBLESHOOTINg TIPS
* Should be performed by qualified individuals. Contact Simpson Strong-Tie.
