Siemens PLC

7003 – CPU error

CPU battery error

Details

CPU backup battery is low or missing.

Error typewarning
MeaningBattery error
Typical causesBattery discharged battery not installed battery defective
SolutionsReplace battery check battery installation verify battery voltage
Severitymedium

Catalog references

Vendor Information

Siemens7003

Utilities

Troubleshooting Steps

Troubleshooting steps

Replace battery check battery installation verify battery voltage

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 long do batteries last?

Typical battery life is 2-5 years depending on CPU type and operating conditions.