Siemens PLC

86BE – I/O errors (S7-1200)

I/O errors detected

Details

I/O errors 86BE on Siemens S7-1200. Check system diagnostics.

Error typeerror
MeaningI/O errors
Typical causesHardware fault configuration error communication fault
SolutionsCheck S7-1200 diagnostic buffer verify hardware configuration review system logs
Severityhigh

Catalog references

Vendor Information

Siemens86BE

Utilities

Troubleshooting Steps

Troubleshooting steps

Check S7-1200 diagnostic buffer verify hardware configuration review system logs

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

What is S7-1200?

Siemens S7-1200 is a PLC model. This error is specific to S7-1200 systems.

Community

Discussion & Experiences

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