Vestel Firmware Lockup / Software Crash

Vestel EV charger’s front LEDs blink in an unusual pattern and the unit is unresponsive, with no clear error code.

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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

Firmware bug triggered by specific conditions, Corrupted firmware image, Power supply instability, ESD event affecting microcontroller

How to Fix / Troubleshooting

Safety first: Software faults are low electrical risk, but always isolate power before connecting service tools or opening the unit.

  • 1. Hard reboot: Turn off the charger at the breaker for at least 2–3 minutes, then restore power and observe behavior.
  • 2. Check supply stability: Verify that the input voltage is stable and within specification; correct any supply issues.
  • 3. Firmware update: Connect using Vestel’s service interface and reload the latest firmware, following the official procedure carefully.
  • 4. Factory reset: If the unit boots but behaves erratically, perform a factory reset and reconfigure.
  • 5. Replace main board: If the charger repeatedly locks up despite stable power and fresh firmware, replace the main control board.
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Repair Difficulty

Hard 4/5

Required Part

Main Control Board
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