41–42: Reserved 
43: Motor overtemperature fault (OT) 
44: Reserved 
45: Braking fault (BAE) 
46: Contactor fault (CONE) 
47: No CD signal (nPoS) 
48: No enabling signal (U-EN) 
49: STO card fault (SAFE) 
50: Channel 1 (STO1_FB_DSP) safety circuit 
exception (STL1) 
51: Channel 2 (STO1_FB_DSP) safety circuit 
exception (STL2) 
52: Internal circuit exception (STL3) 
53: Safety code FLASH CRC fault (CrCE)