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Flashing Red LED

Flashing Red LED - Authentication failed

Zaptec · Pro

What does Flashing Red LED mean?

The charging station's status indicator is flashing red, signifying that the authentication process has failed. This typically occurs when attempting to start a charge using an RFID tag or charging card.

Common Causes

  • RFID tag or charging card is not connected to your user profile
  • Your user profile does not have access to charge on the specific charging station or installation in the Zaptec Portal

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure your RFID tag or charging card is correctly linked to your user profile within the Zaptec Portal.

  2. 2

    Log into the Zaptec Portal and verify that your user profile has been granted access to charge on this specific charging station or installation.

  3. 3

    Re-attempt authentication by holding your charging pass to the RFID zone on the charger.

Browse all codes in this manual (22)
Verified technical data. Last updated: April 2026

Related Faults

Active Error Codes in AppError codes displayed in Zaptec appApp Error FieldZaptec App displays a red field with active error codesBLUEBLUE LED — Communicating with vehicle, but charging not yet initiated
Source: Zaptec Pro
Open Manual (Page 13)Search more codes in this manual