LNS QUICK LOAD SERVO III MI Instruction Manual page 117

CHAPTER 8: MALFUNCTIONS / MAINTENANCE 8-5
AL19 -
Not in use.
AL20 - OPTICAL SWITCH SQ3 ACTIVATED TOO SOON !
Description
The "Optical switch activated too soon" alarm occurs when the PLC detects input (I10 – SQ3)
before the safety maximum length has been reached during the bar stock length measuring.
Solutions:
Press the STOP key on the remote control to clear the message and reset the alarm.
Press the MENU key.
Choose the SERVICE item.
From the new menu, choose the POSITION item.
Press the key corresponding to PAGE DOWN as many times as necessary to display the text
"MAXIMUM BAR LENGTH".
This value cannot exceed the spindle length. If necessary, correct this value.
Measure the bar stock. This bar length cannot exceed the value entered in the remote control.
AL21 - EMPTY BAR MAGAZINE !
Description
No bar has been detected in the bar feeder.
Solutions
Check for bar stocks on the barfeeder rack.
Load new bar stocks to continue production.
AL22 - LOADING CYCLE INTERRUPTED !
Description
The signal A2 has been lost.
Solutions
Check the connection lathe <-> barfeeder.
Check the wire of the signal A2 'lathe in auto mode'.
Check the part program in the lathe.
AL23 - LOADING TIME ELAPSED !
Description
The time allowed to reach the position has been exceeded.
Solutions
Remove the bar stock from the spindle.
Restart the top cut cycle.
Check the part settings.
QUICK LOAD SERVO III MI