Chapter 10 Troubleshooting
: Reserved
: Encoder error (Position detector fault)
Potential Cause Checking Method Corrective Actions
The wiring of
encoder is in error.
1. Check if all wiring is correct.
2. Check if the users conduct the wiring
by the wiring information in the user
manual.
Ensure all wiring is correct.
Encoder is loose Examine the encoder connector (CN2). Install the motor again.
The wiring of
encoder is defective.
Check if all connections are tight. Conduct the wiring again.
Encoder is damage Check the motor for the damage. Replace the motor.
: Adjustment error
Potential Cause Checking Method Corrective Actions
The analog input
contact does not go
back to zero.
Measure if the voltage of the analog
input contact is the same as the voltage
of the ground.
Correctly ground the analog
input contact.
The detection device
is damaged.
Reset the power supply.
If the error does not clear after
resetting the power supply,
please contact your distributor
for assistance or contact with
Delta.
: Emergency stop activated
Potential Cause Checking Method Corrective Actions
Emergency stop
switch is activated.
Check if emergency stop switch is On or
Off.
Activate emergency stop
switch.
: Reverse (CWL) limit switch error
Potential Cause Checking Method Corrective Actions
Reverse limit switch
is activated.
Check if reverse limit switch is On or Off. Activate reverse limit switch.
Servo system is not
stable.
Check the value of control parameter
setting and load inertia.
Modify parameter setting and
re-estimate motor capacity.
: Forward (CCWL) limit switch error
Potential Cause Checking Method Corrective Actions
Forward limit switch
is activated.
Check if forward limit switch is On or
Off.
Activate forward limit switch.
Servo system is not
stable.
Check the value of control parameter
setting and load inertia.
Modify parameter setting and
re-estimate motor capacity.
10-10 Revision January 2011
Call 1(800)985-6929 for Sales
Call 1(800)985-6929 for Sales
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