InverterSINAMICS V20Verified · sol.ls-electric.com
SINAMICS V20 F70 — Speed setpoint timeout
Alarm — operational, inspection needed· AUTO-RESET
CAUSE
Why does it occur?
Speed setpoint via communication was not updated within the P2040 time.
REMEDY · Step by step
How to fix it?
Check the host controller / USS / Modbus communication cabling and cycle, and increase P2040.
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