Siemens SINAMICS S120/S150 Drive
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Feb 21, 2024 9:00 am
Cause : Overtemperature thermal model comes when the temperature difference between the chip and heat sink has exceeded the permissible limit value (blocksize power units only). Depending on p0290, an appropriate overload response is initiated.
If the alarm does not disappear automatically and the temperature continues to rise, this can result in fault F30024.