ASDA-A2 Chapter 10 Troubleshooting
10-28 Revision February, 2017
AL305：SYNC Period is in error
Causes Checking Method Corrective Actions
SYNC Period is in error
Examine the content of 0x1006.If
it is smaller than or equals to 0, the
alarm will occur.
NMT: Reset node or 0x6040.Fault
Reset
AL380：Position Deviation Alarm
Causes Checking Method Corrective Actions
DO.MC_OK is ON and
becomes OFF.
Please refer to the description of
parameter P1-48.
After DO.MC_OK ON, DO.MC_OK
becomes OFF because DO.TPOS
turns OFF.
The position of the motor might be
deviated by the external force after
positioning. This alarm can be
cleared by P1-48.Y=0.
DI.Alm Reset or P0-01= 0
AL400： Index coordinates error
Causes Checking Method Corrective Actions
Setting of P2-52 is wrong
Check if the setting of P2-52 is
within the range. If the setting value
is too small, it would cause index
coordinates error.
Re-adjust the value of P5-52 until it
is appropriate.
AL401：Receives NMT reset command when Servo On
Causes Checking Method Corrective Actions
Receives NMT reset
command when Servo
On
Check if the servo drive receives
NMT reset command when Servo
On
NMT:Reset node or 0x6040.Fault
Reset
AL404：Value of PR special filter setting is too big
Causes Checking Method Corrective Actions
Inner position error
overflows
The setting value of P1-22 causes
inner position error overflows
Re-adjust the value of P1-22 until it
is appropriate.
AL555：System Failure
Causes Checking Method Corrective Actions
DSP processing error
N/A
If AL555 occurs, do not do any
anything and send the drive back to
the distributors or contact with
Delta.
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