BCSD-112/116 Digital Brushless AC Servo Drive system - Ref. 1809
APPENDIX B. ALARM DISPLAY
Alarm
Display
Alarm
Output
Alarm Name Meaning
A.01 X Parameter breakdown The checksum results of parameters are abnormal.
A.02 X AD shift channels breakdown AD related electrical circuit is faulty.
A.03 X Overspeed
The servomotor speed is excessively high and the
servomotor is out of control.
A.04 X Overload
The servomotor is operating continuously under a torque
largely exceeding ratings.
A.05 X Position error counter overflow Internal counter overflow.
A.06 X Position error pulse overflow Position error pulse exceeded parameter (Pn504).
A.07 X
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 X
The 1st channel of current
detection is wrong.
Something wrong with the inside chip of the 1st channel.
A.09 X
The 2nd channel of current
detection is wrong.
Something wrong with the inside chip of the 2nd channel.
A.10 X
Incremental Encoder is break off
At least one of Incremental Encoder PA, PB, PC is break off.
A.12 X Overcurrent An overcurrent flowed through the IPM.
A.13 X Overvoltage
Main circuit voltage for servomotor rotation is excessively high.
A.14 X Undervoltage
Main circuit voltage for servomotor rotation is excessively low.
A.15 X Bleeder resistor error Bleeder resistor is faulty.
A.16 X Regeneration error Regenerative circuit error.
A.17 X Resolver error The communication of resolver is abnormal.
A.18 X IGBT superheat alarm IGBT temperature is too high.
A.20 X Power line open phase One phase is not connected in the main power supply.
A.21 X Instantaneous power off alarm An power off for more than one period is occurred in AC.
A.25/
26/27
X
Motor power cable U/V/W over
current
Machinery problem or U/V/W phase sequence error.
A.41 X Reserved Reserved
A.42 X Servomotor type error
The parameter setting of servodrive does not match the
servomotor.
A.43 X Servodrive type error
The parameter setting of servodrive does not match the
servomotor.
A.44 X Reserved Reserved
A.45 X
Absolute encoder multiturn
information error
Absolute encoder multiturn information is faulty.
A.46 X
Absolute encoder multiturn
information overflow
Absolute encoder multiturn information is overflow.