Siemens F070 fault code meaning

Series: 6RA70

SCB1: Severe initialization fault

DC drive

Meaning: Severe initialization fault (valid in all operating states). SCB1 and SCI cannot start correctly (see diagnostic parameter n697 for details). 12 No connection to slave drive 1. 22 No connection to slave drive 2.

Possible causes

Source: 6ra70_c P437