E11
Shark
Battery Not Detected / Battery Connection Error
Robot reports E11 and may not move or may shut down quickly
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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
Loose battery connector, Corroded battery contacts, Battery pack internal failure, Faulty main power board
How to Fix / Troubleshooting
Safety: Turn the robot OFF and remove it from the dock. If your Shark model has a removable battery, proceed; if not, contact a technician.
- Access battery: Turn the robot over and remove the battery cover screws (if present). Lift the cover.
- Check connections: Ensure the battery plug is fully seated in the connector. Gently unplug and replug to clean the contact surfaces.
- Inspect contacts: Look for corrosion or discoloration on the battery terminals. Light surface oxidation can be gently cleaned with a dry cloth.
- Reassemble: Reinstall the battery cover and screws securely.
- Charge fully: Place the robot on the dock and allow a full charge before testing.
If E11 continues, the battery pack or main power board likely needs replacement.
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Repair Difficulty
Medium
3/5
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