E17
Schumacher
User Authorization / RFID Fault (If Equipped)
Display shows E17; charger indicates a schedule or authorization error and will not start.
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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
Faulty RFID reader module, Corrupted user access list, Damaged front panel keypad, Control board I/O failure
How to Fix / Troubleshooting
Safety first: Ensure the charger is not actively charging before performing resets.
- Check access mode: Confirm the charger is not locked to a schedule or restricted user list in the app or settings.
- Test with multiple RFID cards/fobs: If none are recognized, the RFID reader may be faulty.
- Clean front panel: Wipe the RFID area and keypad with a dry, soft cloth. Do not use solvents.
- Factory reset: Reset the charger to factory defaults and reconfigure access control.
- If E17 remains: The RFID reader or front panel assembly may need replacement. If that does not resolve it, the control board I/O may be defective and require service.
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Repair Difficulty
Medium
3/5
Required Part
RFID Reader / Front Panel Assembly
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