Siemens A31422 fault code meaning

Series: DCM-6RA80

Encoder 1: Square-wave encoder pulse count outside tolerance

DC drive

Meaning: The measured zero pulse distance does not match the set zero pulse distance. When square-wave encoder pulse count correction is enabled and fault 31131 has been reparameterized, this alarm is triggered if the accumulator value is greater than p4683 or p4684. Set the zero pulse distance for zero pulse monitoring in p0425 (rotary encoder).

Possible causes

Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P1085

Series: G120-CU250S-2, G120D

Encoder 1: Square-wave encoder pulse count outside tolerance

converter

Meaning: The measured zero pulse distance does not match the set zero pulse distance. If square-wave encoder pulse count correction is enabled and fault 31131 has been reconfigured, this alarm is triggered when the accumulator value is greater than p4683 or p4684. Set the zero pulse distance for zero pulse monitoring in p0425 (rotary encoder).

Possible causes

Source: SINAMICS G120, Control Unit CU250S-2 P1515; SINAMICS G120D Control Unit CU240D- 2_CU250D- 2 P944

Series: G220

Motor encoder: Pulse count of the square-wave encoder is outside the tolerance range

converter

Meaning: The measured zero-pulse spacing does not match the set zero-pulse spacing. When square-wave encoder pulse count correction is enabled and fault 31131 has been reset, this alarm is triggered if the accumulator value is greater than p4683 or p4684. Set the zero-pulse spacing for zero-pulse monitoring in p0425 (rotary encoder).

Possible causes

Source: SINAMICS G220 Converter P1506