E4
Rowenta
Right Drive Wheel Motor Stall
Robot vacuum spins in place or veers strongly to one side; E4 error displayed
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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
Hair or string wrapped around right wheel axle, Jammed right wheel gearbox, Failed right wheel DC motor, Broken right wheel encoder sensor
How to Fix / Troubleshooting
Safety first: Power the robot OFF and remove it from the dock.
- 1. Visual inspection: Turn the robot upside down and inspect the right drive wheel. Remove any visible debris around the wheel and in the wheel cavity.
- 2. Free the axle: Use tweezers to pull out hair and fibers from the axle area. Rotate the wheel by hand to ensure it moves smoothly.
- 3. Functional test: With the robot lifted, start a cleaning cycle and watch both wheels. If the right wheel does not spin or is jerky while the left is normal, the right wheel module is suspect.
- 4. Check wiring: Remove the bottom cover and verify the right wheel connector is fully inserted into the main PCB and not damaged.
- 5. Replace if needed: If the wheel still fails or makes loud grinding noises, replace the right drive wheel module.
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Repair Difficulty
Medium
3/5
Required Part
Right Drive Wheel Module
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