EtherCAT communication alarm: failed to load the eni file; check whether the eni file is missing (For ER series, version V5.0)

7404

Alarm cause: Failed to load the file

Corrective measures: Check whether the communication configuration file exists and is correct

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 7404

Brand	ESTUN
Updated	2026-10-27

7404

Alarm cause: Failed to load the file

Corrective measures: Check whether the communication configuration file exists and is correct

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 7404

Brand	ESTUN
Updated	2026-10-27