Eufy Drive Wheel Speed Imbalance or Encoder Fault

Robot vacuum spins in circles or cannot drive straight; it may veer strongly to one side.

Advertisements

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.

Advertisements

Possible Causes

Debris in one wheel, Faulty wheel encoder, Damaged wheel motor, Gyro/IMU miscalibration

How to Fix / Troubleshooting

Safety first: Turn OFF the robot and flip it over.

Step-by-step:

  • Clean wheels: Remove hair and debris from both drive wheels and ensure they rotate freely.
  • Swap wheel modules (advanced): If possible, swap left and right wheel motor assemblies to see if the behavior follows the wheel. This helps identify a bad module.
  • Reboot and reset: Power cycle the robot and perform a factory reset to recalibrate navigation.
  • Inspect encoders: Open the wheel module and check the encoder disc and sensor for damage or contamination. Replace the wheel motor assembly if the encoder is faulty.

When to stop: If the robot still spins after wheel replacement, the gyro or main board may be defective.

Advertisements

Repair Difficulty

Hard 4/5

Required Part

Drive Wheel Motor Assembly
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements