szruitech.com
R110PLUS USER MANUAL
12
8.
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 light 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
