Delta ASD-A2 Series User Manual page 577

ASDA-A2
AL018：Abnormal Signal Output
Causes
The encoder is in error
and cause the abnormal
signal output
The output pulse
exceeds the hardware
allowable range.
AL019：Serial Communication Error
Causes
Improper setting of the
communication
parameter
Incorrect communication
address
Incorrect communication
value
AL020：Serial Communication Time Out
Causes
Improper setting of the
time-out parameter
The drive hasn't received
the communication
command for a long time.
AL022：Main circuit power leak phase
Causes
The main circuit power is
abnormal
10-14
Checking Method
Check the fault records (P4-00~P4-
05). See if the alarm exists with the
encoder error (AL011, AL024,
AL025, AL026)
Check if the following conditions
produce:
P1-76 < Motor Speed or
Motor Speed
  
P 1 46 4
60
Checking Method
Check the setting value of
communication parameter
Check the communication address
Check the accessing value
Checking Method
Check the parameter setting
Check if the communication cable is
loose or broken.
Checking Method
Check if RST power cable is loose
or does not connect to the power.
This alarm occurs when no power
connects to 3-phase for under 1.5
kW (included) servo drive. No
power connects to single phase for
2 kW (included or above) servo
drive, this alarm occurs.
Conduct the corrective actions of
AL.011, AL.024, AL.025, AL.026
Correctly set parameter P1-76 and
P1-46:
P1-76 > Motor Speed or
Motor Speed
 
6
19.8 10
60
Correctly set the parameter value
Correctly set the communication
address
Correctly set the value
Correctly set the value
Correct wiring
Make sure it applies to the power. If
issue persists, please send the
drive back to the distributors or
contact with Delta.
Chapter 10 Troubleshooting
Corrective Actions
    
P 1 46 4 19.8 10
Corrective Actions
Corrective Actions
Corrective Actions
Revision February, 2017
6