E12
Leviton
Configuration / DIP Switch / Current Limit Error
Charger indicates E12 or a configuration error; unit may refuse to charge after installation or settings change.
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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 DIP switch or rotary selector setting for circuit size, Corrupted configuration memory, Incompatible configuration after firmware update, Installer mis-set maximum current
How to Fix / Troubleshooting
Safety first: Turn OFF power at the breaker before removing covers to access configuration switches.
Steps:
- 1. Review installation manual: Locate the section describing current setting DIP switches or rotary selector for your specific Leviton model.
- 2. Verify settings: With power OFF and cover removed, compare the actual switch positions to the required configuration for your breaker size and wiring. Correct any mismatches.
- 3. Reset to default: Some models allow a factory reset of configuration via a button sequence or app. Follow Leviton’s instructions to reset and then reconfigure.
- 4. Check for mixed settings: Ensure only one current rating is selected and that no switches are left in undefined positions.
- 5. If E12 persists: The configuration memory or microcontroller on the main board may be faulty, requiring board replacement.
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Repair Difficulty
Medium
3/5
Required Part
Leviton EVSE Main Control Board
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