E13
Zaptec RFID Authentication Module Fault

Charger shows E13; app indicates ‘RFID reader error’ and RFID cards are not recognized

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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

Faulty RFID reader board, Damaged RFID antenna, Loose connector between RFID module and main board, Firmware configuration error disabling RFID

How to Fix / Troubleshooting

Safety first: This fault does not usually affect electrical safety but may prevent authorized use.

Steps:

  • Check access settings: In the Zaptec app or portal, confirm that RFID authorization is enabled and that your card is registered.
  • Test multiple cards: Try more than one RFID tag to rule out a defective card.
  • Power-cycle: Turn the breaker OFF for 2 minutes, then ON, and test again.
  • Technician inspection: With power off, open the unit and check the RFID reader module and antenna connection to the main board. Reseat connectors.
  • If still faulty: Replace the RFID reader module. If the issue persists, suspect the main control board.
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Repair Difficulty

Medium 3/5

Required Part

RFID Reader Module
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