Zeror.ai Error Codes Siemens A08756

Siemens A08756

Brand: SiemensModel: SINAMICS G120 CU250S2Error code: A08756

What the Fault Means

Alarm: CAN: Number of mapped bytes exceeded

Likely causes

  • The number of bytes of the mapped objects exceeds the telegram size for net data
  • of 8 bytes is permissible.

Solution and Safe First Checks

  1. Map fewer objects or objects with a smaller data type.

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.