APPENDIX
39
APPENDIX 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 disconnection
At least one phase shortage occurs in PA
、
PB
、
PC.
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
╳
Rotate transformer abnormal
Rotate transformer communication 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.
A.23
╳
Brake overcurrent alarm
Bleeder resistor is too small, or bleeder module is faulty.
A.25/26
/27
╳
Motor power line U/V/W over current
Mechanical stuck or motor power line UVW phase
sequence is wrong.
A.28
╳
Nikon encoder temperature is too high
Nikon Encode internal Temperature (unit:
℃
) is too high.
A.41
╳
Reserved
Reserved
A.42
╳
Servomotor type error
The parameter setting of servo drive does not match the
servomotor.
A.43
╳
Servo drive type error
The parameter setting of servo drive does not match the
servomotor.
A.44
╳
Reserved
Reserved