Acoustic Noise or Vibration
If the motor or the equipment driven by the motor - e.g. a fan blade - is making noise or vibrations at certain
frequencies, try the following:
• Speed Bypass, parameter group 4-6*
• Over-modulation, par. 14-03
Overmodulation set to off
• Switching pattern and -frequency parameter group 14-0*
• Resonance Dampening, par. 1-64
Resonance Dampening
Troubleshooting
BAS-SVX19C-EN 7-15
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