Instructions / Assembly
19 
TROUBLESHOOTING 
The following form lists the common operating system with problem and solutions. Please read the form 
carefully and follow it. 
PROBLEMS  POSSIBLE CAUSES  SOLUTION 
Motor does
 not run.
· The battery pack is not 
attached to the chain saw. 
· There is no electrical contact 
between the saw and battery. 
· The battery pack is depleted.
· The battery pack or chain 
saw is too hot. 
· The back-off button is not 
depressed before pressing the 
trigger switch. 
· Chain brake is engaged. 
· Saw chain is bound in the 
wood. 
· Debris in bar groove. 
· Debris inside cover. 
· Attach the battery pack to the chainsaw. 
· Remove the battery, check contacts and reinstall 
the battery pack. 
· Charge the battery pack. 
· Allow the battery pack or chainsaw to cool. 
· Press down the lock-
off button and hold it, then 
depress the trigger switch to turn on the chain 
saw. 
· Pull the chain kickback brake handle backward
toward the front handle. 
· Release the trigger switch; remove the saw 
chain and guide bar from the wood, then restart 
the chain saw. 
· Press the saw chain against the wood, move the 
chain saw back and forth to discharge the debris.
· Remove battery pack, then remove side cover 
and clean out debris. 
Motor runs, but
chai
n does not 
rotate.
· Chain does not engage drive 
sprocket. 
· Reinstall the chain, making sure that the drive 
links on 
the chain are fully seated on the sprocket. 
Chain brake does
not engage. 
· Debris preventing full 
movement of the chain 
kickback brake handle. 
· Clean debris from extremal chain brake 
mechanism. 










