PLCS7-1200Verified · sol.ls-electric.com
S7-1200 16#4500 — Memory card error
Trip — immediate stop
CAUSE
Why does it occur?
SIMATIC memory card not recognized, damaged, or incompatible card.
REMEDY · Step by step
How to fix it?
In TIA Portal, verify a genuine SIMATIC MC is used; format and re-download the project.
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
Summary based on the official Siemens AG manual. For accurate and complete information, always consult the official manual.
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