Zeror.ai Error Codes Siemens A07457

Siemens A07457

Brand: SiemensModel: SINAMICS G120 CU250S2Error code: A07457

What the Fault Means

Alarm: EPOS: Combination of input signals illegal

Likely causes

  • An illegal combination of input signals that are simultaneously set was identified
  • Alarm value (r2124, interpret decimal): 0: Jog 1 and jog 2 (p2589, p2590)
  • 1: Jog 1 or jog 2 and direct setpoint input/MDI (p2589, p2590, p2647)
  • 2: Jog 1 or jog 2 and start referencing (p2589, p2590, p2595)

Solution and Safe First Checks

  1. 1074 Check the appropriate input signals and correct
  2. SINAMICS G120 CU250S-2 Control Units List Manual (LH15), 01/2016, A5E33842890 4 Faults and alarms 4.2 List of faults and alarms

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

Related Siemens error codes

Source: the Zeror.ai industrial fault database and Siemens technical documentation. This page is for information; on critical systems follow the manufacturer's manual and authorised service.

Siemens A07457 · Zeror.ai