15TROUBLE SHOOTINGBefore asking for repairs, conduct your own inspectionfirst. If you find a problem that is not explained in themanual, do not attempt to dismantle the tool. Instead,ask Makita Authorized Service Centers, always usingMakita replacement parts for repairs.Tighten the nut properly as describedin this manual.Recharge the battery cartridge. If rechargingis not effective, replace battery cartridge.Recharge the battery cartridge. If rechargingis not effective, replace battery cartridge.Cutter blade fastening nut is loose.Cutter blade is fastened improperly.The cutter blade is bended,cracked or worn.Malfunction statusMotor does not run.CauseBattery cartridges are not installed.Battery problem (under voltage)Rotation is in reverse.Overheating.Battery power is dropping.Electric or electronic malfunction.ActionInstall the battery cartridges.Remove the foreign object.Motor stops running after a little use.It does not reach maximum RPM.Cutting tool does not rotate:stop the machine immediately!Abnormal vibration:stop the machine immediately!Cutting tool and motor cannot stop:Remove the battery immediately!Cutter blade fastening nut is loose. Tighten the nut properly as describedin this manual.The cutter blade is bended. Replace the cutter blade.Replace the cutter blade.The drive system does not workcorrectly.Battery's charge level is low.Battery is installed improperly.The drive system does not workcorrectly.Foreign object such as a branch isjammed between the guard andthe nylon cutting head.The drive system does not workcorrectly.One end of the nylon cord hasbeen broken.The drive system does not workcorrectly.Recharge the battery cartridge. If rechargingis not effective, replace battery cartridge.Ask your local authorized service center forrepair.Ask your local authorized service center forrepair.Change the direction of ratation with thereversing switch.Stop using of tool to allow it to cool down.Install the battery cartridge as described inthis manual.Ask your local authorized service center forrepair.Ask your local authorized service center forrepair.Bump the nylon cutting head against theground while it is rotating to cause the cordto feed.Remove the battery cartridge and ask yourlocal authorized service center for repair.014837