Delta ASDA-A2 Series User Manual page 610

Chapter 10 Troubleshooting
: Encoder output error
Potential Cause
Encoder itself or the
wiring of encoder is
in error.
The output
frequency for pulse
output may exceed
the limit of its
allowable setting
value.
: Serial communication error
Potential Cause
Communication
parameter setting is
defective.
Communication
address is incorrect.
Communication
value is incorrect.
: Serial communication time out
Potential Cause
Setting value in time
out parameter is not
correct.
Not receiving
communication
command for a long
time.
: Reserved
: Input power phase loss
Potential Cause
Control power
supply is in error.
Revision September 2012
Checking Method
Check if the recent fault records (P4-00 ~
P4-05) display on the drive keypad in
accordance with the fault codes AL011,
AL024, AL025 and AL026.
Check if the following conditions occur:
Condition 1: Motor speed is above the
value set by P1-76.
Condition 2:
Motor Speed
  
P 1 46 4
60
Checking Method
Check the communication parameter
setting.
Check the communication address.
Check the communication value.
Checking Method
Check communication time out
parameter setting.
Check whether communication cable is
loose or broken.
Checking Method
Check the power cable and connections
of R, S, T. Check whether the power
cable is loose or the possible loss of
phase on input power.
Perform the corrective actions
as described in AL011, AL024,
AL025 and AL026.
Correctly set P1-76 and P1-46.
1. Ensure that the motor speed
2.
  6
19.8 10
Correctly set parameter
setting.
Correctly set communication
address.
Correctly set communication
value.
Correctly set P3-07.
Tighten the communication
cable, make sure the
communication cable is not
damaged and ensure all wiring
is correct.
If the fault does not clear even
when the three-phase power is
connected correctly, please
contact your distributor for
assistance or contact with
Delta.
Corrective Actions
is below the value set by P1-
76.
Motor Speed
  
P 1 46 4
60
Corrective Actions
Corrective Actions
Corrective Actions
A2
ASDA-
 
6
19.8 10
10-15