E19
AMPROAD
EVSE Identification / Standard Compliance Fault
Charger displays E19 and the vehicle reports that the EVSE is incompatible or not recognized.
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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
Incorrect region configuration (e.g., SAE vs IEC), Firmware mismatch for local grid standard, Damaged identification resistor network, Misconfigured pilot parameters
How to Fix / Troubleshooting
Safety: This is a control/standardization issue; still de-energize before internal work.
- 1. Confirm region settings:
- Check AMPROAD configuration to ensure the charger is set for the correct region and standard.
- 2. Firmware check:
- Verify that the firmware installed matches the charger model and region.
- Update firmware if AMPROAD provides a region-specific package.
- 3. Test with another vehicle:
- If other vehicles work, the issue may be with the original vehicle’s compatibility.
- 4. Inspect identification network:
- With power OFF, inspect the resistor network on the control board associated with EVSE identification and pilot configuration.
- Replace the control board if components are damaged.
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Repair Difficulty
Medium
3/5
Required Part
AMPROAD Main Control Board
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