6 Operating status messages
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6.2.2 Diagnostic LEDs on the SK 2x0E (size 4) and SK 4x5E
RS 232, RS 485
3
LED-ASi
Figure 12: Diagnostic openings SK 2x0E size 4 or SK 4x5E
Status LEDs
LED Signal
Name Color Description Status Meaning
red/green
no line and control voltage
VFD is enabled (VFD running)
green 0.5 Hz VFD is in standby or not enabled
VFD is in switch-on block
Degree of overload of switched-on VFD
flashing red
Control voltage available but no line voltage
flashing red Error, flashing frequency → error number
red/green
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