Siemens F11 fault code meaning

Series: 6RA28

Tachogenerator fault (analog tachogenerator) or armature circuit interruption

DC drive

Meaning: The cable is severed, the tachogenerator is overloaded, or the tachogenerator polarity is incorrect. The actual speed ripple is too large. (In software version 1.0, F11 is the analog tachogenerator fault signal; from software version 4.0 onward, pulse encoder fault F24.)

Possible causes

Source: 6RA28 Chinese-language Manual P78

Series: V20

Motor overheat

converter

Meaning: Motor overload

Possible causes

Source: SINAMICS V20 Converter P410