EtherCAT communication alarm: network connection error; check the network connection (For ER series, version V5.0)

7412

Alarm cause: The EtherCAT network has not connected successfully

Corrective measures: Check the network connection between the controller and slave stations, the network connections between slave stations, or whether the slave station connections are correct

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 7412

Brand	ESTUN
Updated	2026-10-27

7412

EtherCAT communication alarm: network connection error; check the network connection (For ER series, version V5.0)

7412

Alarm cause: The EtherCAT network has not connected successfully

Corrective measures: Check the network connection between the controller and slave stations, the network connections between slave stations, or whether the slave station connections are correct

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 7412

Brand	ESTUN
Updated	2026-10-27