Siemens A31419 fault code meaning

Series: G120-CU250S-2

Encoder 1: Signal A or B exceeded tolerance

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Meaning: The amplitude/phase/offset compensation for signal A or signal B has reached its limit. Amplitude error compensation: amplitude B/ amplitude A = 0.78 ... 1.27. Phase: <84 degrees or >96 degrees. SMC20: deviation compensation: +/-140mV. SMC10: deviation compensation: +/-650mV.

Possible causes

Source: SINAMICS G120, Control Unit CU250S-2 P1109

Series: G130-G150

Encoder 1: Track A or B outside the tolerance rang

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Meaning:

Possible causes

Source: G150 P937