I am having this problem. I control the frequency with an analog signal. When the analog signal in has 4.21V, but the inverter runs to 37.8Hz. Should have run 21.5Hz. When analog in 10V, it runs correctly 50Hz. Meanwhile I have set P0757=0V, P0758=0%, P07, P0759=10V, P0760=100%. P1080=0Hz, P1082=50Hz. Help me