Siemens PLC

2532 – OB request error

Organization block call error

Details

An organization block was called but does not exist or cannot be executed.

Error typeerror
MeaningOB call error
Typical causesOB not loaded or missing incorrect OB number referenced
SolutionsLoad missing OB check OB number verify program structure ensure OB exists
Severityhigh

Catalog references

Vendor Information

Siemens2532

Utilities

Troubleshooting Steps

Troubleshooting steps

Load missing OB check OB number verify program structure ensure OB exists

Other codes

Other Siemens PLC Codes

80A0 – Memory error

Memory allocation error

→

80A1 – Memory error

Memory error in retentive data area

→

80A2 – Memory error

Memory error in work memory

→

80A3 – Memory error

Memory error in load memory

→

80A4 – Memory error

Memory card error

→

FAQ

Common questions

What is an OB?

Organization blocks are program blocks called by the operating system for specific events.