Siemens PLC

80B0 – Module error

Module error in expansion module

Details

Error detected on expansion module connected to CPU.

Error typeerror
MeaningModule error
Typical causesModule defective not properly connected incompatible module
SolutionsCheck module connections verify module compatibility replace module if defective
Severitymedium

Catalog references

Vendor Information

Siemens80B0

Utilities

Troubleshooting Steps

Troubleshooting steps

Check module connections verify module compatibility replace module if defective

Other codes

Other Siemens PLC Codes

80A0 – Memory error

Memory allocation error

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80A1 – Memory error

Memory error in retentive data area

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80A2 – Memory error

Memory error in work memory

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80A3 – Memory error

Memory error in load memory

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80A4 – Memory error

Memory card error

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FAQ

Common questions

How do I identify the faulty module?

Check diagnostic buffer or module status LEDs to identify which expansion module has the error.