E10
Andersen
Internal Module Communication Failure
Charger shows E10; app indicates 'Internal Communication Error'.
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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 low‑voltage harness between main control PCB and communication module, Faulty Wi‑Fi/Bluetooth communication daughterboard, Firmware corruption on main control PCB, Electrical noise or surge affecting internal bus
How to Fix / Troubleshooting
Safety first: This is usually not a shock hazard but can prevent safe operation. Do not open the unit while powered.
User steps:
- Power cycle the charger at the consumer unit (OFF 60 seconds, then ON).
- Check the Andersen app for firmware updates and apply any pending update once the unit reconnects.
- Verify that the charger is not installed adjacent to strong RF or electrical noise sources (large motors, inverters) if possible.
If E10 persists:
- A technician should open the unit with power isolated and reseat the low‑voltage ribbon or plug‑in connectors between the main control PCB and the communication/Wi‑Fi module.
- If reseating does not help, replace the communication module or main control PCB as per Andersen service documentation.
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Repair Difficulty
Hard
4/5
Required Part
Communication Module / Main Control PCB
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