Blink HMI Software Lockup

Blink EV charger screen is frozen or unresponsive to touch or button presses, though it is lit.

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Possible Causes

Firmware bug, Overloaded main processor, Faulty touch panel, Loose HMI communication cable

How to Fix / Troubleshooting

Safety first: No internal work should be done live. Turn off power before opening the unit.

Steps to troubleshoot:

  • Hard reboot: Turn off the breaker for 2–5 minutes, then restore power and see if the interface responds.
  • Firmware update: If accessible via network or USB, update the Blink charger firmware to the latest version.
  • Check HMI cable: With power OFF, reseat the communication cable between the display and main control board.

If the interface continues to freeze, the display module or main control board may be defective and should be replaced.

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Repair Difficulty

Easy 2/5

Required Part

Blink Main Control Board
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