Schneider Electric
Unstable Low-Voltage Supply
Charger display is on but very dim or flickering; LEDs may pulse irregularly.
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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
Failing EVlink auxiliary power supply, Loose low-voltage connectors, Overloaded accessory bus (RFID, communication modules), Electrical noise on supply
How to Fix / Troubleshooting
Safety first: Turn off power before accessing internal electronics.
- Check for moisture or corrosion: Inspect the display and control board area for signs of water damage.
- Inspect connectors: Ensure all low-voltage harnesses between the power supply, control board, and display are firmly seated.
- Remove optional modules: Temporarily disconnect non-essential modules (e.g., RFID, communication) to see if the display stabilizes, indicating an overload.
- Replace power supply: If instability persists, a Schneider Electric–qualified technician should replace the auxiliary power supply module or control board.
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Repair Difficulty
Medium
3/5
Required Part
Schneider EVlink power supply module
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