CodeRegistry
Brands
  1. Home
  2. Zaptec
  3. Pro
  4. RED Flashing LED
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

RED Flashing LED

Flashing red light — Authentication failed

Zaptec · Pro

What does RED Flashing LED mean?

A flashing red light indicates that authentication has failed. This usually means the RFID tag or charging card is not linked to your user profile, or your user profile lacks access to the charger.

Common Causes

  • RFID tag/charging card not connected to your user profile.
  • User does not have access to charge on the specific station or installation via Zaptec Portal.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify that your RFID tag or charging card is correctly linked to your user profile in the Zaptec Portal.

  2. 2

    Check in the Zaptec Portal that your user profile has been granted access to the specific charging station or installation.

  3. 3

    Ensure you are presenting the RFID tag correctly to the RFID zone on the charger.

  4. 4

    Try again with a different authenticated charging card or tag if available.

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