Siemens 501 fault code meaning

Series: SIMODRIVE 611U

Measuring circuit error (absolute current value)

servo drive

Meaning: 1. The smoothed absolute current (P1254, current monitoring time constant) is greater than 120 % of the permissible power section current (P1107). 2. For an active rotor position identification, the permissible current threshold was exceeded. 3. The P gain of the controller (P1120) has been set too high.

Possible causes

Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3