CL86T(V4.0) Closed Loop Stepper Drive User Manual
8. Fault Protections & Troubleshooting
To improve reliability, the drive incorporates some built-in protection features.
Turn off the power immediately.
a) Check wiring is short-circuited or
not; b) Check motor is short-circuited
or not.
Turn off the power immediately.
a) Check if the power voltage is
higher than 90VDC
Restart the power supply, if the drive
is still alarm, please contact after-sale
a) The drive is not connected to a
motor;
b) If alarm is occurred when connect
a motor, please check the motor
power cable.
Restart the power supply, if the drive
is still alarm, please contact after-sale
Restart the power supply, if the drive
is still alarm, please contact after-sale
a) Set SW6 to “ON” to make motor
run in open loop mode, If alarm
disappears, it means encoder wiring
error;
b) Motor torque is not enough or
motor speed is too high;
Restart the power supply, if the drive
is still alarm, please contact after-sale
When above protections are active, the motor shaft will be free or the red LED blinks. Reset the drive by
repowering it to make it function properly after removing above problems.
In the event that your drive doesn’t operate properly, the first step is to identify whether the problem is
electrical or mechanical in nature. The next step is to isolate the system component that is causing the
problem. As part of this process you may have to disconnect the individual components that make up your
system and verify that they operate independently. It is important to document each step in the
troubleshooting process. You may need this documentation to refer back to at a later date, and these details
will greatly assist our Technical Support staff in determining the problem should you need assistance.
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