My Hover Mower is not operating properly, what do I do? Problem Solution Motor does not run Unplug the unit from the power source and check that the blade hub is able to rotate freely. Check mains and extension cord. Clean discharge channel/housing. Start hover grass cutter on short grass or in a previously mowed area and tilt back. Motor power drops Check that you are using a suitable extension cord of proper gauge and length. Power source (e.g. generator) has too low voltage. Motor performance drops Replace the cutting blades (Model MJ-HVR12E-SBLD) Related articles What's the advantage of a Hover Mower over a typical Lawn Mower? What size wrench should I use to remove the blade-securing bolt on my unit? How do I adjust the cutting height on my Sun Joe Mow Joe MJ408E Lawn Mower? Lawn Mower Troubleshooting New Charger will only have two Prongs (24VCHRG-QC)