LNS GT 326-E, Instruction Manual, Page: 129 / 218

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9 TROUBLESHOOTING GUIDE
GT 326-E
3. Check if the bar measuring device is functioning
properly.
4. Press
“STOP” button on HMI to clear the alarm.
Note: If TOP CUT is positioned without turret stopper
change
“TOP CUT” setup.
AL26 Bar Feeder Not In AUTO Mode!
Description
To remind the operator that the lathe is possibly in
AUTOMATIC mode but the bar feeder is still in MANUAL
mode.
The bar feeder is in MANUAL mode when the lathe
chuck is opened and closed 3 times without starting the
bar feeder in Automatic mode.
Troubleshooting
Switch the bar feeder to AUTOMATIC mode.
AL35 Bar Stock Moving Forward While Chuck Closed!
Description
During chuck close, bar feeder keeps reading the
position of pusher. If the distance of pusher moving
forwards is larger than
“PART FEEDING: Too long collet
closed
”
setup, the alarm will arise.
Troubleshooting
1. Check if the bar stock is separated from the pusher
collet or if the collet is broken
2. Check if
“PART FEEDING” setup is correct
3. Check if the feeding mechanism is malfunction or if
the chain is broken.
4. Check if the lathe chuck is malfunctioning or the
clamping force setup is incorrect.
5. Press
“STOP” button on HMI to clear the alarm.
AL36 NC Alarm!
Description
Barfeed receives the alarm message from lathe during
Auto mode.
Troubleshooting
Please check the following setting and signal.
1. INTERFACE45: A2 signal logic setup.
2. INTERFACE49: A2 signal definition.
3. Interface cable A2