Siemens PLC

80A4 – Memory error

Memory card error

Details

Memory card cannot be read or written correctly.

Error typeerror
MeaningMemory card error
Typical causesMemory card defective not inserted properly incompatible card type
SolutionsReinsert memory card check card compatibility format card if possible replace defective card
Severitymedium

Catalog references

Vendor Information

Siemens80A4

Utilities

Troubleshooting Steps

Troubleshooting steps

Reinsert memory card check card compatibility format card if possible replace defective card

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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80B0 – Module error

Module error in expansion module

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FAQ

Common questions

What memory cards are compatible?

Check CPU manual for supported memory card types and capacities.