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.Adjust the guide bar and saw chaintension.Ask your local authorized servicecenter for repair.Malfunction status Cause ActionChain saw does not start.Motor stops running after a little use.No oil on the chain.It does not reach maximum RPM.Chain does not stop:Stop the machine immediately!Abnormal vibration:Stop the machine immediately!Battery problem (under voltage).Battery's charge level is low.Oil tank is empty.Oil guide groove is dirty.Malfunction of oil pump.Battery cartridge is installed improperly.The drive system does not workcorrectly.Malfunction of switch.Loose guide bar or saw chain.Tool malfunction.Recharge the battery cartridge. Ifrecharging is not effective, replacebattery cartridge.Recharge the battery cartridge. Ifrecharging is not effective, replacebattery cartridge.Fill the oil tank.Clean the groove.Install the battery cartridge asdescribed in this manual.Recharge the battery cartridge. Ifrecharging is not effective, replacebattery cartridge.Ask your local authorized servicecenter for repair.Ask your local authorized servicecenter for repair.Ask your local authorized servicecenter for repair.Battery cartridge is not installed.Battery's charge level is low.Install the charged battery cartridge.014814OPTIONAL ACCESSORIESCAUTION:• These accessories or attachments are recommendedfor use with your Makita tool specified in this manual.The use of any other accessories or attachmentsmight present a risk of injury to persons. Only useaccessory or attachment for its stated purpose.If you need any assistance for more details regardingthese accessories, ask your local Makita Service Center.• Various type of Makita genuine batteries andchargers• Saw chain• Scabbard• Guide bar complete• FileNOTE:• Some items in the list may be included in the toolpackage as standard accessories. They may differfrom country to country.