toolTIA PortalVerified · sol.ls-electric.com
TIA Portal M-DIAG — Online tools: no diag info
Warning — monitor· AUTO-RESET
CAUSE
Why does it occur?
PG/PC-to-CPU communication works, but diagnostic data collection fails
REMEDY · Step by step
How to fix it?
Check the access level setting, protection password, and firmware compatibility
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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