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ProNet Series AC Servo User's Manual
- 188 -
Appendix B
Alarm Display
Alarm
Display
Alarm
Output
Alarm Name Meaning
A ． 01 ╳ Parameter breakdown The checksum results of parameters are abnormal.
A ． 02 ╳ AD shift channels breakdown AD related electrical circuit is faulty
A
．
03
╳
Overspeed
The servomotor speed is excessively high and the
servomotor is out of control.
A
．
04
╳
Overload
The servomotor is operating continuously under a torque
largely exceeding ratings.
A
．
05
╳
Position error counter overflow Internal counter overflow
A
．
06
╳
Position error pulse overflow Position error pulse exceeded parameter (Pn504)
A ． 07 ╳
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.
A
．
08
╳
The 1st channel of current
detection is wrong.
Something wrong with the inside chip of the 1st channel.
A ． 09 ╳
The 2nd channel of current
detection is wrong.
Something wrong with the inside chip of the 2nd channel.
A ． 10 ╳ Incremental Encoder is break off.
At least one of Incremental Encoder PA,PB,PC is broken
off.
A ． 12 ╳ Overcurrent An overcurrent flowed through the IPM.
A
．
13
╳
Overvoltage
Main circuit voltage for servomotor rotation is excessively
high.
A
．
14
╳
Undervoltage
Main circuit voltage for servomotor rotation is excessively
low.
A
．
15
╳
Bleeder resistor error Bleeder resistor is faulty.
A
．
16
╳
Regeneration error Regenerative circuit error
A ． 17 ╳ Resolver error The communication of resolver is abnormal.
A ． 18 ╳ IGBT superheat alarm IGBT temperature is too high.
A
．
19
╳
Motor overheat alarm Motor temperature is too high.
A
．
20
╳
Power line phase shortage One phase does not bring into main circuit power supply.
A ． 21 ╳ Instantaneous power off alarm An power off for more than one period is occurred in AC.
A
．
22
╳
Motor temperature detection sensor
is break off.
Encoder cable is error.