6 Operating status messages
BU 0200 en-3118 223
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6.2.1 Diagnostic LEDs on the SK 2x0E (size 1 … 3)
RS 232, RS 485
Diagnostic LEDs
Figure 29: Diagnostic opening SK 2x0E (size 1 … 3)
Diagnostic LEDs
LED
Name Colour Description Signal status Meaning
BUS-S green System bus off No process data communication
Process data communication active
Reception of at least 1 telegram / s
SDO data transfer is not displayed
BUS-E red System bus off No error
Monitoring error P120 or P513
E10.0 / E10.9
Error in an external system bus module
Bus module timeout on external bus
(E10.2)
System bus module has a module error
(E10.3)
on System bus in state “BUS off”
DS dual
red/green
FI status off FI not ready for operation,
no mains or control voltage
FI is enabled (inverter running)
flashing
FI is in standby or not enabled
4 Hz FI is in switch-on block
alternating 1…25 Hz Degree of overload of switched-on FI
flashing
Error, flashing frequency → Error number
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