E11
Andersen
Wi‑Fi / Network Module Failure
Charger displays E11; app shows 'Wi‑Fi Module Fault' or cannot connect to network while charging still works in basic mode.
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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
Defective Wi‑Fi module on Andersen communication board, Antenna cable disconnected inside enclosure, Corrupted network configuration in firmware, Excessive RF interference at installation site
How to Fix / Troubleshooting
Safety first: Network faults do not usually affect electrical safety, but do not open the unit while live.
User steps:
- Reboot your home router and the Andersen charger (power cycle at consumer unit).
- In the Andersen app, forget the charger and re‑add it following the pairing instructions.
- Move Wi‑Fi access point closer or add a Wi‑Fi extender if signal is weak at the charger location.
- If available, switch the charger to a 2.4 GHz SSID (many IoT devices prefer 2.4 GHz).
If E11 persists and Wi‑Fi remains unavailable:
- A technician may need to open the unit (power isolated) and check the Wi‑Fi antenna connection to the communication module.
- If the antenna and cabling are intact, replace the communication/Wi‑Fi module.
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Repair Difficulty
Medium
3/5
Required Part
Wi‑Fi Communication Module
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