LNS Alpha ST 320 - Alarm 12 - Bar Stock Not Extracted Collet; Alarm 13 - Front Stopper Cant Move up; Alarm 14 - Lathe Collet Not Open in Feed out; Alarm 15 - Bar Feeder Is Not in Auto

CHAPTER 9: MALFUNCTIONS
ALPHA ST 320
9-5
1.11 Alarm 12 – Bar Stock Not Extracted Collet
e 1 2 : B A R S T O C K N O T
Alarm12:
E X T R A C T E D C O L L E T !
Description :
Bar still present after extraction. SQ4 switch still on after home position (SQ2) is
reached.
Solution :
Check clamping blades.
Adjust SQ4.
Check vice function.
1.12 Alarm 13 – Front Stopper Can’t Move Up
e 1 3 : F R O N T S T O P P E R
Alarm13:
C A N N O T M O V E U P !
Description :
Top cut device fails to function.
Solution :
Remove remaining bar stock from guiding channel.
Check function of the cylinder (valve YV0).
Check adjustment of switch SQ1.
1.13 Alarm 14 – Lathe Collet Not Open in Feed Out
e 1 4 : L A T H E C O L L E T N O T
Alarm14:
O P E N I N F E E D O U T !
Description :
Chuck open signal of lathe is not present while changing material.
Solution :
Check the interface signal (I 3.1).
Check the ‘chuck open’ parameter setting (only authorized personnel).
1.14 Alarm 15 – Bar Feeder is Not in Auto
e 1 5 : B A R F E E D E R I S
Alarm15:
N O T I N A U T O !
Description :
If the lathe chuck is opened and closed more than three times while the bar
feeder is in manual mode this alarm will occur.
Solution :
Select bar feeder Auto Mode.