E17
EVgo
Internal Watchdog Reset / System Crash
Display shows E17; charger appears to reboot repeatedly or freeze
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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
Firmware bug, Overheating of processor, Faulty main control board, Electrical noise or unstable auxiliary power
How to Fix / Troubleshooting
Safety first: No direct high‑voltage work is required, but always turn OFF the breaker before opening the unit.
- Power-cycle: Turn OFF the breaker for 5–10 minutes, then ON. Observe whether the charger now operates normally.
- Check environment: Ensure the EVgo charger is not exposed to direct sun in a confined space causing excessive internal temperature.
- Update firmware: If possible, update to the latest EVgo‑approved firmware via app or service tool, which may address known stability issues.
If E17 continues, the main control board may be defective and should be replaced by an EVgo‑authorized technician.
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Repair Difficulty
Hard
4/5
Required Part
EVgo Main Control Board
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