Delta ASDA-A2 Series User Manual page 608

Chapter 10 Troubleshooting
: Reserved
: Encoder error (Position detector fault)
Potential Cause
The wiring of
encoder is in error.
Encoder is loose
The wiring of
encoder is defective.
Encoder is damage
: Adjustment error
Potential Cause
The analog input
contact does not go
back to zero.
The detection device
is damaged.
: Emergency stop activated
Potential Cause
Emergency stop
switch is activated.
: Reverse (CWL) limit switch error
Potential Cause
Reverse limit switch
is activated.
Servo system is not
stable.
: Forward (CCWL) limit switch error
Potential Cause
Forward limit switch
is activated.
Servo system is not
stable.
Revision September 2012
Checking Method
1. Check if all wiring is correct.
2. Check if the users conduct the wiring
by the wiring information in the user
manual.
Examine the encoder connector (CN2).
Check if all connections are tight.
Check the motor for the damage.
Checking Method
Measure if the voltage of the analog
input contact is the same as the voltage
of the ground.
Reset the power supply.
Checking Method
Check if emergency stop switch is On or
Off.
Checking Method
Check if reverse limit switch is On or Off. Activate reverse limit switch.
Check the value of control parameter
setting and load inertia.
Checking Method
Check if forward limit switch is On or
Off.
Check the value of control parameter
setting and load inertia.
Corrective Actions
Ensure all wiring is correct.
Install the motor again.
Conduct the wiring again.
Replace the motor.
Corrective Actions
Correctly ground the analog
input contact.
If the error does not clear after
resetting the power supply,
please contact your distributor
for assistance or contact with
Delta.
Corrective Actions
Activate emergency stop
switch.
Corrective Actions
Modify parameter setting and
re-estimate motor capacity.
Corrective Actions
Activate forward limit switch.
Modify parameter setting and
re-estimate motor capacity.
A2
ASDA-
10-13