Access error: wrong DB used

Siemens PLC & VFD Error plc

Model: S7-1200/1500 | Code: 2539 (0x9F1)

Applicable Systems
S7-1200 S7-1500 S7-300 S7-400 LOGO! SINAMICS

Symptoms

Wrong data block was accessed.

Possible Causes

DB version mismatch or incorrect DB opened.

Troubleshooting Steps

Verify correct DB is being opened before access.

How to Reset

Fix DB reference and restart

Source: Siemens GetErrorID documentation

Category: PLC & VFD