Delta Electronics ASDA-B Series User Manual page 262

Asda-b series standard ac servo drive for general purpose applications
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ALE 11 / ALE
: 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
ALE 12 / ALE
: Adjustment error
Potential Cause
The motor is running.
Analog input contact
does not correctly
return to zero.
Detection device may
be damaged.
ALE 13 / ALE
: Emergency stop activated
Potential Cause
Emergency stop switch
is activated.
ALE 14 / ALE
: Reverse (CWL) limit switch error
Potential Cause
Reverse limit switch is
activated.
Servo system is not
stable.
ALE 15 / ALE
: Forward (CCWL) limit switch error
Potential Cause
Forward limit switch is
activated.
Servo system is not
stable.
Revision January 2009
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.
Check if all connections are tight.
Check the encoder for the damage.
Checking Method
Check if the motor is running.
Measure and check if the voltage level of
analog input contact is the same as the
electrical potential of grounding.
Check and 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.
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.
Chapter 10 Troubleshooting|ASDA-B Series
Corrective Actions
Ensure all wiring is correct.
Install the motor again.
Conduct the wiring again.
Repair or replace the motor.
Corrective Actions
Turn off the motor.
Correctly ground analog input
contact.
Please contact your distributor for
assistance or contact with Delta.
Corrective Actions
Activate emergency stop switch.
Corrective Actions
Activate reverse limit switch.
Modify parameter setting and re-
estimate motor capacity.
Corrective Actions
Activate forward limit switch.
Modify parameter setting and re-
estimate motor capacity.
10-7

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