toolTIA PortalVerified · sol.ls-electric.com
TIA Portal HMI-C1 — HMI compile: tag not in PLC
Alarm — operational, inspection needed
CAUSE
Why does it occur?
A tag referenced by the HMI does not exist in the connected PLC
REMEDY · Step by step
How to fix it?
Update the HMI-to-PLC tag mapping and synchronize in the connection dialog
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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