PLCS7-1200Verified · sol.ls-electric.com
S7-1200 16#80A1 — Comm: connection aborted
Alarm — operational, inspection needed· AUTO-RESET
CAUSE
Why does it occur?
The remote side closed the connection, or the network was disconnected.
REMEDY · Step by step
How to fix it?
Verify remote device availability, check firewall/switch traffic, and review the reconnection logic.
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.
Open official manual ↗CALLBACK