Charger shows E16; app reports 'Meter Communication Error' and energy usage is not logged correctly.

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.

Possible Causes

Loose communication harness between main control PCB and internal kWh meter, Failed internal energy meter module, Firmware mismatch between meter and controller, Electrical noise on internal bus

How to Fix / Troubleshooting

Safety first: Charging may still function, but billing/monitoring accuracy is affected. Do not open the unit while powered.

User steps:

Power cycle the charger and check if energy readings resume in the app.
Ensure the app is updated to the latest version.

If E16 persists:

A technician should isolate power, open the unit, and reseat the low‑voltage connectors between the main control PCB and the internal energy meter.
If communication does not restore, replace the internal meter module or main control PCB as per Andersen documentation.

Repair Difficulty

Hard 4/5

Required Part

Internal Energy Meter Module

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