Yaskawa All models code A1-02

Meaning

Frequency reference is too low. Load is too heavy. The torque limit function is operating in Open Loop Vector Control. Acceleration time has been set too long. Motor characteristics and drive parameter settings are incompatible with one another in V/f Control. The right combination of motor characte

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Possible causes

Frequency reference is too low. Load is too heavy. The torque limit function is operating in Open Loop Vector Control. Acceleration time has been set too long. Motor characteristics and drive parameter settings are incompatible with one another in V/f Control. The right combination of motor characteristics have not been set in Open Loop Vector Control. Incorrect frequency reference setting. The Stall Prevention level during acceleration and deceleration set too low.

Solution

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