HEIDENHAIN PWM 20 - Manual (Page 55)

56 HEIDENHAIN ATS Software User's Manual
Position display if an EIB 192 with Fanuc interface is connected.
The absolute position is invalid, as the reference mark was not traversed yet (LED gray) and the
Alarm LED is red.
The warning "Bit 4 – Reference mark not traversed" is displayed.
Display for Fanuc: "Error: Bit 2" -> This bit is set when an incremental encoder is switched on!
The "Ref. mark" status is displayed in gray color.
8 Traverse the reference mark(s) of the encoder.