17 ENGLISHTROUBLESHOOTINGBefore asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual,do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replace-ment parts for repairs.State of abnormality Probable cause (malfunction) RemedyMotor does not run. Battery cartridges are not installed. Install two battery cartridges. This tool does notwork with one battery cartridge.Battery problem (under voltage) Recharge the battery. If recharging is not effective,replace the battery cartridge.The drive system does not workcorrectly.Ask your local authorized service center for repair.Motor stops running after a little use. Battery's charge level is low. Recharge the battery. If recharging is not effective,replace the battery cartridge.Overheating. Stop using of tool to allow it to cool down.The wheel rotation does not acceler-ate properly even after running thetool without load for 20 seconds.Battery is installed improperly. Install the battery cartridges as described in thismanual.Battery power is dropping. Recharge the battery cartridges. If recharging is noteffective, replace the battery cartridge.The synchro-belt is slipping. Replace the synchro-belt with new one.The drive system does not workcorrectly.Ask your local authorized service center for repair.Wheel does not rotate:stop the machine immediately!The synchro-belt is slipping. Replace the synchro-belt with new one.Foreign object is jammed between theguard and the wheel.Uninstall the battery cartridges and then remove theforeign object.The drive system does not workcorrectly.Ask your local authorized service center for repair.Abnormal vibration:stop the machine immediately!Improper attachment of the wheel. Install the wheel as instructed in this manual.Tighten the bolt to secure the wheel firmly.The drive system does not workcorrectly.Ask your local authorized service center for repair.Cutting tool and motor cannot stop:Remove the battery cartridgeimmediately!Electric or electronic malfunction. Remove the battery cartridges, and ask your localauthorized service center for repair.Poor cutting performance It is time to replace the wheel. Replace the wheel with new one.Water leaks from the inlet. Water is leaking from the O-ring part. Ask your local authorized service center for repair.OPTIONALACCESSORIESCAUTION: These accessories or attachmentsare recommended for use with your Makita toolspecified in this manual. The use of any otheraccessories or attachments might present a risk ofinjury to persons. Only use accessory or attachmentfor its stated purpose.If you need any assistance for more details regard-ing these accessories, ask your local Makita ServiceCenter.• Abrasive cut-off wheel• Diamond wheel• Ring set• Synchro-belt• Coupling sleeve• Box wrench• Makita genuine battery and chargerNOTE: Some items in the list may be included in thetool package as standard accessories. They maydiffer from country to country.