Delta ASDA-B2 Series User Manual page 296

ASDA-B2
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 lack phase
Causes
The main circuit
power is abnormal
Revision May, 2018
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 single phase servo drive.
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
 
6
19.8 10
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
Delta.
Chapter 9 Troubleshooting
Corrective Actions
Speed
   
P 1 46 4 19.8
60
Corrective Actions
Corrective Actions
Corrective Actions

6
10
9-9