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Chapter 10 Troubleshooting|ASDA-B Series
10-8 Revision February 2008, Doc. Name: 2006PDD23000009
ALE 16 / ALE
: IGBT temperature error
Potential Cause Checking Method Corrective Actions
The drive has
exceeded its rated load
during continuous
operation.
Check if there is overload or the motor current
is too high.
Increase motor capacity or reduce
load.
Short-circuit at drive
output.
Check the drive input wiring. Ensure all wiring is correct.
ALE 17 / ALE : Memory error
Potential Cause Checking Method Corrective Actions
Data error in Memory
read-out / write-in.
Reset parameter or power supply.
Please contact your distributor for
assistance or contact with Delta.
ALE 18 / ALE : Serial communication time out
Potential Cause Checking Method Corrective Actions
Setting value in time
out parameter is not
correct.
Check communication time out parameter
setting.
Correctly set P3-07.
Not receiving
communication
command for a long
time.
Check whether communication cable is loose
or broken.
Tighten the communication cable,
make sure the communication
cable is not damaged and ensure
all wiring is correct.
ALE 19 / ALE : Motor type error
Potential Cause Checking Method Corrective Actions
Servo drive and servo
motor do not match.
Check the type of servo drive and servo motor
and their combination.
Replace the servo drive or replace
the servo motor.
ALE 20 / ALE : Input power phase loss
Potential Cause Checking Method Corrective Actions
Control power supply is
in error.
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.
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.