代码 231-C350: Axis module %1 not ready

[Cause of error] - Safety relay not on (e.g. connectors X71 and X72 of the UV, X73 of the HEIDENHAIN expansion board for Simodrive) - PWM bus cable interrupted - Interruption in the electrical cabinet - Defective axis module - PWM interface on the control defective - No pulse release for the axis module - Uz too high - 5V power supply too weak - Inverter not ready - Motor control board defective - PWM cable defective - Noise signals [Error correction] - Inform your service agency - Check the control and cabling of the pulse release - Check Uz - If the power supply is not regenerative, is the braking resistor connected? - If the power supply is regenerative, is the energy recovery activated? - Check the cable ground and shield - Exchange the power module - For P controls, exchange the interface card - Exchange the motor control board