Zeror.ai Error Codes Siemens A30788

Siemens A30788

Brand: SiemensModel: SINAMICS G120 CU250S2Error code: A30788

What the Fault Means

Alarm: Automatic test stop: wait for STO deselection via SMM

Likely causes

  • the STO function is selected via Safety Extended Functions.
  • a safety message is present, that resulted in a STO.

Solution and Safe First Checks

  1. Deselect STO via Safety Extended Functions.
  2. remove the cause of the safety messages and acknowledge the messages.

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 A30788 · Zeror.ai