Siemens F039 fault code meaning

Series: 6RA70

I2t Power unit monitoring response

DC drive

Meaning: Power unit monitoring response (valid in operating states – –, I, II). This monitoring function responds if the calculated I2t value for the power unit reaches the permissible value for that power unit (see also P075). Possible fault causes: Drive overloaded for too long; parameter P075 set incorrectly; parameter P077 set incorrectly.

Possible causes

Source: 6ra70_c P425