ProNet Plus Series AC Servo User's Manual
Appendix B
Alarm Display
The checksum results of parameters are abnormal.
AD shift channels breakdown
AD related electrical circuit is faulty.
The servomotor speed is excessively high and the
servomotor is out of control.
The servomotor is operating continuously under a torque
largely exceeding ratings.
Position error counteroverflow
Internal counter overflow.
Position error pulse overflow
Position error pulse exceededparameter (Pn504).
The setting of electronic gear or
given pulse frequency is not
reasonable.
The setting of electronic gear is not reasonable or the
given pulse frequency is too high.
The 1st channel of current
detection is wrong.
Something wrong with the inside chip of the 1st channel.
The 2nd channel of current
detection is wrong.
Something wrong with the inside chip of the 2nd channel.
An overcurrent flowed through the IPM.
Main circuit voltage for servomotor rotation is excessively
high.
Main circuit voltage for servomotor rotation is excessively
low.
Bleeder resistor is faulty.
Regenerative circuit error.
IGBT temperature is too high.
Motor temperature is too high.
Power line phase shortage
One phase does not bring into main circuit power supply.
Instantaneous power off alarm
An power off for more than one period is occurred in AC.
Motor temperature detection sensor
is break off.
Bleeder resistor is too small, or bleeder module is faulty.
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