Problem Cause SolutionThe product makesan irregular scratchpattern.The diamond tools are incorrectly attached orattached at different heights on the grindingdiscs.Make sure that all diamond tools are installedcorrectly and have the same height.The diamond tools are of mixed types. Make sure that all segments are the samediamond grit and bond. If the diamond seg-ments are rough, space out the rough dia-mond segments equally. Operate the producton an abrasive surface until all segmentshave the same height.The head locks are loose or missing. Make sure that all head locks are in positionand tightened.The resin tools are mixed or have unwantedcontamination.Make sure that all resins are the same dia-mond grit and bond and that there is no con-tamination. To clean the resin tools, operatethem for a short time on a lightly abrasivesurface.The grinding discs are worn or damaged. Do a check on the grinding discs for brokensections or too much movement.There are sudden un-wanted movementsin the product.The grinding discs are worn or damaged. Examine the grinding discs for damagedparts and too much movement.The diamond tools are incorrectly attached orattached at different heights on the grindingdiscs.Make sure that all diamond tools are installedcorrectly and that all have the same height.The internal circuitbreaker releases.BG 250: Too high a load or not sufficientpower supply.Do a check of the power supply.Decrease the grinding pressure, increase thenumber of diamond tools or increase thebond hardness.The product stopsagain when you startit.Speak to an approved service center.Transportation, storage and disposalTransportationWARNING: Be careful duringtransportation. The product is heavy and cancause injury or damage if it falls or movesduring transportation.The wheels let you move the product shorter distances.For longer distances, lift the product to move it or put theproduct on a vehicle.CAUTION: Do not tow the productbehind a vehicle.• Be very careful when you move the productmanually or on surfaces with a slope. Small slopescan result in a fast movement that is not possible tobrake by hand.• Safety the product during transportation. Make surethat it cannot move.• Put some type of protection on the productduring transportation. The protection keeps naturalelements such as rain and snow away from theproduct.• Always use the lifting eye on the product when youlift the product.• Do not lift the product by the handlebar, motor,chassis or other parts.• Transportation is best done on a pallet.• Always lift the product with a lift or forklift.54 1802 - 002 - 13.04.2022