5 Commissioning and Operation Kübler Group
16 - EN HB Profibus Interface - R67068.0002 - 01
5 Commissioning and Operation
5.1 Function and Status LED
• Red LED = DIAG
• Yellow LED = BUS
• Green LED = PWR
Display LED Meaning Error cause Addition
PWR off No bus voltage present No voltage on
the device
Power supply defective
Check the voltage
supply
PWR on Bus voltage
present
Device ready for oper-
ation
Device in configuration
mode
BUS off
Device waiting for con-
figuration or paramet-
erizing
GSD module must be
loaded and sent to the
encode
Observe the combin-
ation with the DIAG
LED.
BUS on Connection to the
master established
DATA_Exchange
mode
Process data
exchange
LED combinations during operation
Display LED Meaning Error cause Addition
PWR
+BUS on
DATA_Exchange
mode
Device ready for pos-
ition data
exchange
Diag
flashing
Red LED flashing Temperature overrun
Sensor monitoring
Single-step error
Sensor LED current
monitoring
Connection to the
master
when connecting
+ additional error
cause
(Diagnostic header
requested)