Porsche
Backlight / Display Degradation
Porsche EV home charger display is on but is very dim or unreadable, making operation difficult.
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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
Aging or failed backlight LEDs in front panel display, Faulty display power supply on HMI board, Damage from UV exposure or heat to display window, Loose display connector on front panel PCB
How to Fix / Troubleshooting
Safety first: Turn off power at the breaker before removing the front panel.
- Check viewing angle and lighting: Ensure the issue is not simply glare or viewing angle; try reading the display from different positions.
- Technician panel removal: A technician should remove the front panel, inspect the display connector, and reseat it.
- Measure backlight voltage: The technician should verify that the backlight supply voltage is present on the display connector. If absent, the HMI board may be faulty.
- Replace front panel: If the backlight LEDs have failed or the display is physically degraded, replace the entire front panel HMI module.
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Repair Difficulty
Medium
3/5
Required Part
Front panel display / HMI module
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