If your Sun Joe electric lawn dethatcher + scarifier will not start, check the power connection, extension cord, and start controls before requesting service.
Article scope: These checks are for corded electric Sun Joe lawn dethatcher + scarifier models. Cordless models use different battery-specific starting procedures.
Before Troubleshooting
Safety first: Disconnect the unit from the power supply before inspecting the power cord, cylinder, or any part of the machine.
Do not attempt to open the motor housing or perform electrical repairs.
If Your Dethatcher + Scarifier Will Not Start
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Check the Power Connection
Make sure the unit is securely connected to the extension cord and the extension cord is plugged into a working power outlet.
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Inspect the Extension Cord + Plug
Unplug the unit and inspect the extension cord, appliance cord, and plugs for visible damage.
Do not use the unit with a damaged cord or plug.
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Confirm the Correct Start Sequence
On models equipped with a safety lock button, press and hold the safety lock button first, then pull the switch lever to start the motor.
Reversing this sequence may prevent the unit from starting.
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Check for Grass or Debris Around the Cylinder
With the unit unplugged and all moving parts completely stopped, inspect the cylinder area for accumulated grass clippings or debris.
Remove visible buildup that may be preventing normal operation.
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Allow the Unit to Cool
If the machine stopped during use or feels unusually warm, unplug it and allow it to cool before trying to restart it.
Clear any grass clippings or debris around the cylinder before attempting to restart the unit.
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Try Starting the Unit Again
Reconnect the unit to power and use the correct start sequence.
If the motor still does not start, discontinue troubleshooting and contact Shop Joe Customer Support.
Extension Cord Reminder
Use an outdoor-rated extension cord that meets the requirements listed in your model's operator's manual.
Extension cord gauge requirements can vary by model and cord length, so refer to your specific manual before operating the unit.
When Should I Stop Troubleshooting?
Stop using the dethatcher + scarifier if the power cord or plug is damaged, you notice an electrical issue, the unit repeatedly overheats, or it still will not start after completing the checks above.
Do not disassemble the motor or electrical components.
Still Won't Start?
If your electric lawn dethatcher + scarifier still will not start after completing these checks, contact Shop Joe Customer Support. Have your complete model number and serial number available.