E16
Eureka
Wi‑Fi Module Communication Error
Robot shows E16; Wi‑Fi setup fails or robot frequently disconnects from the network.
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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
Weak Wi‑Fi signal at dock location, Incorrect Wi‑Fi password or unsupported band, Internal Wi‑Fi module fault, Antenna cable loose or damaged
How to Fix / Troubleshooting
Safety first: No internal high‑voltage risk, but avoid opening the robot unless experienced.
- Check network: Ensure your router is on 2.4 GHz (if required by your Eureka model) and that the password is correct.
- Improve signal: Move the dock closer to the router or use a Wi‑Fi extender.
- Reset Wi‑Fi: Use the app or button combination to reset the robot's network settings and re‑pair it.
- If E16 persists near the router: The internal Wi‑Fi Module / Antenna may be defective or disconnected. This typically requires opening the robot and reseating or replacing the Wi‑Fi board or main PCB.
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Repair Difficulty
Hard
4/5
Required Part
Wi‑Fi Module / Antenna
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