LNS GT 326-E, Instruction Manual, Page: 137 / 218

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9 TROUBLESHOOTING GUIDE
GT 326-E
AL013 Emergency stop activated
Clearing Method Turn OFF the power supply and restart the servo drive.
Potential Cause Checking Method Corrective Actions
Emergency stop
switch is activated.
Check if emergency stop switch is
On or Off.
Activate emergency stop
switch.
AL014 Reverse (CWL) limit switch error
Clearing Method
Turn OFF the power supply and restart the servo drive.
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.
AL015 Forward (CCWL) limit switch error
Clearing Method Turn OFF the power supply and restart the servo drive.
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.
AL016 IGBT temperature error
Clearing Method Turn OFF the power supply and restart the servo drive.
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.