Ohme Display Backlight Only / Data Line Failure

Ohme charger’s front LEDs or display backlight are on, but the screen is blank or unreadable.

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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

Loose or damaged display ribbon cable, Failed display controller, Partial firmware corruption affecting HMI, Physical impact to front panel

How to Fix / Troubleshooting

Note: If the app works, you can still operate the charger while arranging repair.

  • 1. Test app control: Confirm you can start/stop charging and view status in the Ohme app.
  • 2. Power reset: Turn off the charger at the isolator for 1 minute, then back on. Watch for any brief text or logo during startup.
  • 3. Check for physical damage: Look for cracks or impact marks on the display area that might indicate a broken LCD.
  • 4. Technician repair: A technician can open the unit, reseat or replace the display ribbon, and replace the display module if necessary.
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Repair Difficulty

Medium 3/5

Required Part

Front Display / HMI Module
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