T86-IO
User Manual
-12-
szruitech.com
12
5. Driver working status LED indication
LED status
Driver status
Green indicator is on for long time
Driver not enabled
Green indicator is flickering
Driver working normally
One green indicator and one red
indicator
Driver overcurrent
One green indicator and two red
indicators
Driver input power
overvoltage
One green indicator and three red
indicators
The internal voltage of the
driver is wrong
One green and four red indicators
Tracking error exceeds limits
One green and five red indicators
Encoder phase error
6. Common faults and troubleshooting
Phenomenon
Possible situations
Solutions
Motor does
not work
Power indicator is off
Check the power supply circuit for normal
power supply
The motor rotor is locked but the
motor does not work
Pulse signal is weak; increase the signal
current to 7-16mA
The speed is too slow
Select the right micro-stepping
Driver is protected
Solve the alarm and re-power
Enable signal problem
Pull up or disconnect the enable signal
Command pulse is incorrect
Check whether the upper computer has
pulse output
The steering
of motor is
wrong
The rotary direction of motor is
reverse
Adjust the DIP SW5
The motor cable is disconnected
Check the connection
The motor has only one direction
Pulse mode error or DIR port damaged
