11. Processing Methods to Common Problems and
Faults
11.1 Power on power light off
No power input, please check the power supply circuit. The voltage
is too low.
11.2 Power on red alarm light on
Please check the motor is connected with the drive.
The stepper digital drive is over voltage or under voltage. Please
lower or increase the input voltage.
11.4 After input pulse signal but the motor not running
Please check the input pulse signal wires are connected in reliable
way.
Please make sure the input pulse mode is corresponding with the real
input mode.
The Driver is disabled.