Enphase
User Interface / LED Driver Degradation
Charger display or status LEDs are dim, flickering, or unreadable, but charging still works.
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Possible Causes
Aging or failed LED backlight, Loose UI board connector, Faulty low-voltage power supply to UI, Water or dust ingress on display area
How to Fix / Troubleshooting
Note: This is primarily a usability issue; charging safety is usually unaffected.
- Check for moisture or dirt: Wipe the display window with a dry, soft cloth. Do not use solvents.
- Power cycle: Turn OFF the breaker for 1 minute, then ON, to reset the UI controller.
- Use app as workaround: Monitor charging via the Enphase app while scheduling repair.
- Service: A technician can open the unit, reseat the UI ribbon cable, and replace the LED/display board if necessary.
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Repair Difficulty
Easy
2/5
Required Part
Enphase EV Charger User Interface / LED Board
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