Cause : PAR PCU 1 comes when incorrect motor nominal speed/frequency setting. This means the drive has detected a conflict within the settings that govern how the drive controls the power delivered to the motor.

1. Check parameter settings. Following must apply for induction motor:
   • 1 < (60 · 9907 MOTOR NOM FREQ / 9908 MOTOR NOM SPEED) < 16
   • 0.8 < 9908 MOTOR NOM SPEED / (60 · 9907 MOTOR NOM FREQ / 9913 MOTOR POLE PAIRS) < 0.992
2. Following must apply for permanent magnet synchronous motor:
   • 9908 MOTOR NOM SPEED / (60 · 9907 MOTOR NOM FREQ / 9913 MOTOR POLE PAIRS) = 1.0