Modification, deletion, and renaming of extTcp parameters in use are prohibited (For ER series, version V5.0)

52549

Alarm cause: An extTcp parameter in use cannot be modified/deleted/renamed

Corrective measures: Check whether it is in use

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 52549

Brand	ESTUN
Updated	2026-10-27

52549

Alarm cause: An extTcp parameter in use cannot be modified/deleted/renamed

Corrective measures: Check whether it is in use

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 52549

Brand	ESTUN
Updated	2026-10-27