12 – 154 HEIDENHAIN Service Manual iTNC 530 HSCI
8 Now you can see which HSCI devices cannot be addressed.
The PLB 6204 and the downstream MB 620 show ERROR condition:
If this error occurs, the LEDs on the PLB 6204 behave as follows:
Status
Orange LED Green LED
Fast blinking Fast blinking PL
Fast blinking Slow blinking HSCI