Led States; Checking Before Power-On - Siemens SINAMICS V20 Series Operating Instructions Manual

Commissioning

5.2 Checking before power-on

5.1.6

LED states

The SINAMICS V20 only has one LED for status indications. The LED can display orange,
green, or red.
If more than one inverter state exists, the LED displays in the following priority order:
● Parameter cloning
● Commissioning mode
● All faults
● Ready (no fault)
For example, if there is an active fault when the inverter is in the commissioning mode, the
LED flashes green at 0.5 Hz.
Inverter state
Power up
Ready (no fault)
Commissioning mode
All faults
Parameter cloning
5.2 Checking before power-on
Perform the following checks before you power on the inverter system:
● Check that all cables have been connected correctly and that all relevant product and
● Ensure that the motor and the inverter are configured for the correct supply voltage.
● Tighten all screws to the specified tightening torque.
36
plant/location safety precautions have been complied with.
LED color
Orange
Green
Slow flashing green at 0.5 Hz
Fast flashing red at 2 Hz
Flashing orange at 1 Hz
Operating Instructions, 07/2012, A5E03728167
SINAMICS V20 Inverter