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15 TROUBLESHOOTING
LED
Classifica
Error
indicator
tion of
code
of servo
errors
amplifier
2031
31
Servo
amplifier
errors
2032
32
Error name
Speed has exceeded the
Overspeed
instantaneous permissible speed.
Current that flew is higher than the
permissible current of the servo
Overcurrent
amplifier.
Description
15 - 68
MELSEC-Q
Cause
Small acceleration/deceleration
time constant caused overshoot to
be large.
Servo system is instable to cause
overshoot.
Fault in the encoder.
Output phases U, V, W phase of the
servo amplifier were connected with
each other.
Transistor of the servo amplifier
damaged.
Short circuit in the servo amplifier
out put phase U, V, W phase.
Noise entered the overcurrent
detection circuit.
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