E3
Roidmi Main Motor Stall / Rotor Blocked

Vacuum will not start or stops immediately; display or app shows E3, often after the unit has been dropped or knocked.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Foreign object lodged in motor fan, Severely clogged cyclone causing motor stall, Damaged motor bearings, Deformed fan impeller

How to Fix / Troubleshooting

Safety first: Remove the battery pack and ensure the unit is completely powered off.

  • Detach the dust bin and cyclone assembly to access the motor inlet.
  • Use a flashlight to look into the motor inlet for foreign objects (small toys, stones, large debris). Do not insert metal tools into the motor.
  • Use a plastic tool or wooden stick to gently dislodge any visible obstruction.
  • Check that the cyclone and bin seals are intact and not collapsed into the airflow path.
  • Reassemble and test on low power first. If the motor makes grinding noises or E3 returns immediately, the main motor assembly or fan impeller is likely damaged and should be replaced as a unit.
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Repair Difficulty

Hard 4/5

Required Part

Main Motor Assembly
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