E13
Polestar
Communication Bus Error (Internal or External)
Charger shows E13; network icon may flash; remote control via app not available.
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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
Faulty communication between main control board and communication module, Loose data cable, Failed Wi‑Fi/LAN module, Interference or surge damage on communication lines
How to Fix / Troubleshooting
Safety first: Turn off power before unplugging or reseating internal modules.
- Check external network first: Verify your home router and internet connection are working. Ensure the Polestar charger is within Wi‑Fi range or that the Ethernet cable is securely connected.
- Inspect communication module: With power off, open the charger and locate the communication module (Wi‑Fi/LAN or cellular). Reseat its connector to the main control board and ensure any ribbon cables are fully inserted.
- Look for damage: Check the communication module for burn marks or corrosion. Replace the Polestar communication module if physical damage is present.
- Reconfigure network: Restore power and use the app or local interface to re‑enter Wi‑Fi credentials or network settings. If E13 persists, the internal communication bus on the main control board may be faulty and require replacement.
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Repair Difficulty
Medium
3/5
Required Part
Polestar Wi‑Fi/LAN Communication Module
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