Delta ASD-B2-1521-F, User Manual

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ASDA-B2 Chapter 9 Troubleshooting
Revision May, 2018
9-9
AL018:
Abnormal signal output
Causes Checking Method Corrective Actions
The encoder is in
error and cause the
abnormal signal
output Check the fault records (P4-00 ~
P4-05). See if the alarm exists with
the encoder error (AL011, AL024,
AL025, AL026).
Conduct the corrective
actions of AL.011, AL.024,
AL.025, AL.026.
The output pulse
exceeds the hardware
allowable range.
Check if the following conditions
produce:
P1-76 < Motor Speed or
6
10 19.8 4 46 1 P
60
Speed Motor
    
Correctly set parameter
P1-76 and P1-46:
P1-76 > Motor Speed or
6
10 19.8 4 46 1 P
60
Speed Motor
    
AL019:
Serial communication error
Causes Checking Method Corrective Actions
Improper setting of
the communication
parameter
Check the setting value of
communication parameter. Correctly set the parameter
value.
Incorrect
communication
address
Check the communication address.
Correctly set the
communication address.
Incorrect
communication value
Check the accessing value. Correctly set the value.
AL020:
Serial communication time out
Causes Checking Method Corrective Actions
Improper setting of
the time-out
parameter
Check the parameter setting. Correctly set the value.
The drive hasn’t
received the
communication
command for a long
time.
Check if the communication cable is
loose or broken.
Correct wiring.
AL022:
Main circuit power lack phase
Causes Checking Method Corrective Actions
The main circuit
power is abnormal
Check if RST power cable is loose or
does not connect to the power. This
alarm occurs when no power
connects to single phase servo drive.
Make sure it applies to the
power. If issue persists,
please send the drive back to
the distributors or contact
Delta.