DM542S
USER MANUAL
www.cloudratmotor.com
9
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
Drive 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
Alarm indicator is on
The motor connection is wrong
Check the motor connection
The motor connection and encoder
connection are wrong
Check the sequence of encoder connection
The voltage is too high or too low
Check the power supply
The position or speed
is wrong
The signal is disturbed
Eliminate interference for reliable grounding
The command input is incorrect
Check the upper computer instructions to
ensure the output is correct
The setting of Pulse per revolution is
wrong
Check the DIP switch status and correctly
connect the switches
Encoder signal is abnormal
Replace the motor and contact the
manufacturer
The drive terminal
Short circuit between terminals
Check power polarity or external short circuit
