Siemens 186 fault code meaning

Series: SIMODRIVE 611U

Spindle cannot perform homing

servo drive

Meaning: For the ”Spindle positioning” function, an error has occurred while positioning. Supplementary info Significance 0 the distance between the last two zero marks was not correct. 1 For two revolutions a zero mark was no longer detected, which was in a tolerance bandwidth of P0126.

Possible causes

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