Service and maintenance
7.4 Normal Status LEDs
Control Units CU240S
7-6 Operating Instructions, 11/2006, A5E00766042B AA
7.4 Normal Status LEDs
Normal Status LEDs
Table 7-1 Status display
LED
SF RDY BF
red green red
Description
not relevant
Ready or running, conection to bus master ok
not relevant
Ready or running, no connection to the bus master
not relevant
Commissioning
not relevant
General fault
not relevant
not relevant
Bus failure (search baud rate)
only valid for CU240S DP / CU240S DP-F
not relevant
not relevant
Bus failure (no data)
only valid for CU240S DP / CU240S DP-F
No supply available