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The extension cord wire size is inadequate
Use an extension cord with the necessary wire size. Refer to the
wire size table in the Safety section.
The saw chain tension is too loose
Adjust the saw chain tension
The guide bar and saw chain are assembled incorrectly
Refer to Removing and Installing the Guide Bar and Saw Chain
The saw chain tension is too tight
Adjust the saw chain tension
The chain oil reservoir is empty
Refill the chain oil reservoir
The guide bar groove and oil passages are dirty
Clean the guide bar and oil passages
The saw chain tension is too tight
Adjust the saw chain tension
The guide bar and saw chain are assembled incorrectly
Refer to Removing and Installing the Guide Bar and Saw Chain
The guide bar and saw chain are damaged
Inspect the guide bar and saw chain for damage. Replace them if
necessary
The drive assembly is damaged
Refer to Service information
The saw chain is dull
Sharpen or replace the saw chain
The saw chain is on backwards
Check and correct the saw chain direction
27
The extension cord is not securely connected to the unit or power
source
Make sure each plug is securely connected
The GFCI in the outlet has tripped (if used)
Reset the GFCI
The breaker switch has tripped
Reset the breaker switch in the home electrical panel
The throttle lockout was not pressed
Press and hold the throttle lockout before squeezing the throttle control
The unit is damaged
Refer to Service information
TROUBLESHOOTING
PROBLEM
SOLUTION
If further assistance is required, contact an authorized service dealer.
THE SAW CHAIN ROTATES, BUT DOES NOT CUT
THE SAW CHAIN DOES NOT ROTATE
THE GUIDE BAR AND SAW CHAIN ARE RUNNING HOT, SMOKING OR STUCK
THE MOTOR WILL NOT START
THE SAW CHAIN COMES OFF THE GUIDE BAR
THE MOTOR LACKS POWER OR STALLS