Invalid pointer

Siemens PLC & VFD Error plc

Model: S7-1200/1500 | Code: 2503 (0x9C7)

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

Symptoms

A pointer used in the program is invalid.

Possible Causes

Pointer value does not point to a valid memory area.

Troubleshooting Steps

Check pointer initialization and ensure it references valid memory.

How to Reset

Fix pointer and restart OB

Source: Siemens GetErrorID documentation

Category: PLC & VFD