E01
Andersen Proximity / Pilot Signal Fault

Charger will not start charging; front LED shows solid red with E01 on the display/app.

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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

Damaged Type 2 charge cable, Faulty proximity/pilot pin in Type 2 socket, Defective control pilot (CP) circuit on main control PCB, Contaminated or bent pins in Andersen Type 2 socket

How to Fix / Troubleshooting

Safety first: Turn off the Andersen charger at the local isolator or consumer unit breaker before touching the socket or internal components. Never work on live EVSE circuits.

Steps to try:

  • Power cycle the charger: Switch the dedicated MCB/RCBO for the Andersen unit OFF for 60 seconds, then ON. Wait 2–3 minutes for the charger to boot and reconnect to the app.
  • Inspect the Type 2 connector: Check the plug and the Andersen Type 2 socket for bent, recessed, or contaminated pins (especially the small CP and PP pins). Clean gently with a dry, non‑metallic brush. Do not use liquids.
  • Test with another cable: If you have a removable Type 2 tether or an external cable, try a different cable to rule out a damaged lead.
  • Check cable latch and seating: Ensure the Type 2 plug is fully inserted and latched into the Andersen socket. A partially seated plug can cause pilot/proximity errors.
  • App diagnostics: Open the Andersen app, check for firmware updates, and run any available self‑test. Clear the error if the app offers that option and re‑test.

If the error persists: The control pilot circuit or socket assembly may be faulty. Do not bypass safety circuits. Contact a qualified EV charger technician or Andersen support for testing and likely replacement of the socket or main control PCB.

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Repair Difficulty

Hard 4/5

Required Part

Andersen Type 2 Socket Assembly
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