E19
Splitvolt
Communication / Network Module Error
Splitvolt EV charger shows E19 and the unit may not respond to user inputs or app commands.
Advertisements
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.
Advertisements
Possible Causes
Failed Wi-Fi/Bluetooth module (if equipped), Corrupted communication firmware, EMI interference, Loose internal communication header
How to Fix / Troubleshooting
Safety first: Network issues are not usually hazardous, but always turn off power before opening any covers.
- Reboot the charger: Turn the breaker OFF for 2–3 minutes, then ON to reset the communication module.
- Reduce interference: Keep high-power RF devices (e.g., routers, cordless phones) a reasonable distance away if they cause interference.
- Re-pair app connection: Forget the charger in the Splitvolt app and re-add it following the pairing instructions.
- Firmware update: If possible, update the communication module firmware via the app or USB.
- Persistent E19: Indicates a failed communication module or interface on the main board, requiring module or board replacement.
Advertisements
Repair Difficulty
Medium
3/5
Required Part
Wi-Fi/Bluetooth Communication Module
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements