E014
Alfen
Internal Energy Meter Failure
Charger shows E014; internal energy metering values are invalid or unavailable.
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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 internal MID meter, Loose current transformer (CT) connections, Communication failure between meter and main PCB, Incorrect meter type configured in software
How to Fix / Troubleshooting
Safety first: Isolate power before accessing the internal meter or CT wiring.
- Step 1 – Check configuration: In the Alfen installer interface, verify that the correct internal meter type is selected and that metering is enabled.
- Step 2 – Reseat connectors: With power OFF, locate the internal meter module and reseat its communication and power connectors.
- Step 3 – Inspect CTs (if used): Ensure current transformers are correctly clamped around the conductors and that their leads are firmly connected to the meter or PCB.
- Step 4 – Compare readings: If the charger still operates, compare its kWh readings with an external meter to detect obvious discrepancies.
- Step 5 – Module replacement: If E014 persists, the internal meter module is likely faulty.
- When to call a technician: Replacement of the internal meter and verification of calibration should be done by a qualified technician.
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Repair Difficulty
Hard
4/5
Required Part
Internal MID Energy Meter
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