Bosch
User Interface Backlight Degradation
Bosch EV charger’s front LED or display backlight is very dim or flickering, but charging still works.
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Possible Causes
Aging LEDs, Failing backlight driver on UI board, Voltage drop in UI power feed, Moisture-related corrosion
How to Fix / Troubleshooting
Safety first: Turn OFF power before opening any covers.
- Check visibility in dark: If the display is readable in low light but not in bright sunlight, this may be normal aging.
- Power reset: Turn OFF the breaker for 1 minute, then ON to clear any transient UI glitches.
- Service replacement: If the display or LEDs are persistently dim or flickering, the UI board or LED strip should be replaced by a technician.
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Repair Difficulty
Easy
2/5
Required Part
Display / LED User Interface Board
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