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Blank Screen - HMI Corrupt
The video provides a step-by-step guide on how to recover firmware on an inverter when the LCD is rendered inaccessible due to corruption. Begin by inserting a flash drive containing the appropriate firmware into the Update stick and powering on the unit. To enter bootloader mode, simultaneously press and hold the Escape, Up, and Enter buttons for four seconds, until specific LEDs indicate that the HMI update mode is activated. Once the red LED illuminates, press the button on the logger to start the update process. After approximately three to four minutes, verify the update's success by checking for three solid LEDs. The video also addresses potential issues, such as incorrect firmware or network conflicts, and suggests retrying the process if necessary.
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