Cannot start the program without servo excitation (For ER series, version V5.0)

5870

Alarm cause: Servo excitation is not enabled

Corrective measures: Check the servo excitation state

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 5870

Brand	ESTUN
Updated	2026-10-27

5870

Alarm cause: Servo excitation is not enabled

Corrective measures: Check the servo excitation state

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 5870

Brand	ESTUN
Updated	2026-10-27