What do the error codes E1, E2, E3, and E4 mean?
E1 indicates overcharge protection has been activated, E2 means overvoltage has been detected, E3 indicates undervoltage has been detected, and E4 signals that reverse polarity has been detected. If you encounter any of these error codes, refer to the troubleshooting section or contact EverStart customer service at 1-877-2391.
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