Driver UVW Output
Short Circuit or Motor
Failure
(1) Measure whether the UVW
phase resistance of the motor is
balanced. If the phase resistance is
unbalanced, replace the motor.
(2) Measure whether there is short
circuit between UVW and PE of
the motor. If there is short circuit,
replace the motor.
(3) Measure the driver side UVW
output through multimeter (diode
gear), black pen P+, red pen to
measure UVW; red pen P-, black
pen to measure UVW; if anyone is
0 in 6 groups of value, replace the
driver.
Load part is blocked
It is suggested that the motor
should be operated on an empty
shaft to eliminate the load problem.
High-speed start-stop
instantaneous alarm
Increasing Acceleration and
Deceleration Time
Encoder problem
(1) Check the encoder cable or
change a new one
(2) Set the servo driver to BB state
and the driver to U-10. Rotate the
motor shaft slowly by hand to see if
the value of U-10 changes
normally, increasing in one
direction and decreasing in one
direction (0-9999 cycle display).
12 0 E-120 Abnormal Current
Sensor
Current Sensor Damage
or External Interference
too serious
Check whether grounding is
normal or not. If alarm cannot be
ruled out, please contact the agent
or manufacturer.
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