Modifying/deleting/renaming positioner parameters in use is prohibited (For ER series, version V5.0)

52550

Alarm cause: Positioner parameters in use cannot be modified, deleted, or renamed

Corrective measures: Check whether it is in use

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 52550

Brand	ESTUN
Updated	2026-10-27

52550

Alarm cause: Positioner parameters in use cannot be modified, deleted, or renamed

Corrective measures: Check whether it is in use

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 52550

Brand	ESTUN
Updated	2026-10-27