Operating Instructions ACU
Shorten Motor Line using Switchfrequ. 16 kHz.
Shorten Motor Line using Switchfrequ. 12 kHz and higher.
Shorten Motor Line using Switchfrequ. 8 kHz and higher.
The slip speed was not determined correctly. Check the values for parameters Rated Speed
372 and Rated Frequency 375 .
The slip speed was not determined correctly. Check the values for parameters Rated Speed
372 and Rated Frequency 375 .
The machine data for star connection were entered, the motor, however, is connected in
delta. For star operation, change the motor cable connection. For delta operation, check
the entered rated motor values.
Repeat the parameter identification
The machine data for delta connection were entered, the motor, however, is connected in
star. For delta operation, change the motor cable connection. For star operation, check the
entered rated motor values.
Repeat the parameter identification
A phase asymmetry was measured. Check the cables at the terminals of the motor and the
frequency inverter for proper connection and check the contacts for corrosion.
Resolver offset not adjusted.
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