My Cordless Dethatcher is not operating properly, what do I do? Problem Possible Cause Possible Solution Motor does not start Batteries are not inserted properly Batteries are flat Other electrical defect to the product Safety lock button is not pressed Reinsert the batteries Charge the batteries Contact an authorized service agent Press safety lock button first, then the start/stop lever Product does not reach full power Batteries are almost flat Air vents are blocked Charge the batteries Clean the air vents Unsatisfying result Cutting device worn Scarified material exceeds capacity Scarifying depth is incorrect Replace the tine cylinder Only scarify materials according to capacity of the product Adjust depth Related articles Is my 24V battery compatible with this unit? Electric Dethatcher Can the detachable cooler bag be used separately from the chair? Can I use it as soon as it arrives? Why does the SPX series motor not start?