Fault tracing 21
4
Fault tracing
This chapter describes the fault tracing of the inverter.
LEDs
The table identifies the location, name, color and meaning of the LED indicators in the
inverter.
Where LED Color Indication
Inverter main status
panel (outer control
cabinet door)
Operating Green The inverter operates normally.
Warning Orange There is an active warning in the inverter.
Fault Red There is an active fault in the inverter.
Heating Blue The internal heater is on. Inverter auxiliary power is
disabled until the heating process is done.
Control panel
(ACS-AP-I)
Status LED Green,
continuous
The inverter operates normally and the control unit
is on.
Green,
flickering
Data is transferred between the PC tool and the
inverter via USB.
Green,
blinking
There is an active warning in the inverter.
Red There is an active fault in the inverter.
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