Siemens PLC

86A3 – I/O error

Analog output error

Details

Analog output module cannot output the commanded value correctly.

Error typeerror
MeaningAnalog output error
Typical causesLoad impedance incorrect wiring fault module defective output circuit failure
SolutionsCheck load impedance verify wiring test output circuit replace module if needed
Severitymedium

Catalog references

Vendor Information

Siemens86A3

Utilities

Troubleshooting Steps

Troubleshooting steps

Check load impedance verify wiring test output circuit replace module if needed

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

Can I test the output?

Use test mode in programming software to force outputs and verify module response.