111-877-646-5288Cleaning and MaintenanceCAUTION: Make sure that the power head is unplugged from power source before inserting or removing any attachmentand before cleaning.DO NOT immerse the power head into water or any other liquid. Clean with a damp sponge or cloth and wipe dry.The Master Prep ® pitcher, Master Prep ® bowl, storage lids, Master Prep ® splash guards and chopping blades are alldishwasher safe. It is recommended to place the storage lids and the chopping blades on the top rack. Use extremecaution when handling the chopping blades as they are very sharp.Clean the Ninja ® Master Prep ® and all parts before first use and immediately after each use.PROBLEMS POSSIBLE REASONS & SOLUTIONSMotor Doesn’t Start or BladesDon’t Rotate.Check that the bottom of motor head is clean and there is no food blockingconnection when placing on containers.There is too much food in the container.The unit has overheated. Unplug and wait approximately 10 minutes beforeusing again.Make sure the splash guard is securely on container.Make sure the power head is securely placed on splash guard.Check that the plug is securely inserted into the electrical outlet.Check fuse or breaker. Replace fuse/reset breaker.Food is Unevenly Chopped.Either you are chopping too much food at one time, or the pieces are notsmall enough. Try cutting the food into smaller pieces of even size andprocessing smaller amounts per batch.Food is Chopped Too Fine or is TooWatery.The food has been over processed. Use brief pulses or process for shortertime. Let blades stop completely between pulses.Food Collects On Splash Guard/Safety Cover or On the Sides of theMaster Prep ® Pitcher or MasterPrep ® Bowl.You may be processing too much food. Turn the machine off. When theblades stop rotating, remove the power head and the splash guard. Removesome of the food being processed.You Cannot Achieve Snow FromSolid Ice.Do not use ice that has been sitting out or has started to melt. Be sure to useshort pulses in the beginning to break up large pieces.Troubleshooting Guide