LNS TRYTON 107 - Page 99

CHAPTER 9: TROUBLESHOOTING / MAINTENANCE 97
TRYTON 107/112
AL15 - TRANSFER DEVICE BACK POSITION SIGNAL SQ6 MISSING!
Description
The PLC does not detect input (I10 – SQ6) in the home position.
The problem is normally generated when the SQ6 switch is mis-adjusted and does not detect the transfer
device in the home position.
Solutions
Adjust or replace switch SQ6.
Remove the obstruction keeping the transfer device from reversing to the home position.
Press STOP key on the remote control to reset the alarm.
AL16 - TRANSFER DEVICE BACK POSITION SIGNAL SQ6 ALWAYS PRESENT!
Description
The PLC always detect input (I10 – SQ6).
The problem is normally generated when the SQ6 switch is mis-adjusted and remains on after the transfer
device has moved to the maximum forward position (SQ5).
Solutions
Adjust or replace switch SQ6.
Remove the obstruction keeping the transfer device from reversing to the home position.
Press STOP key on the remote control to reset the alarm.
AL17 – PUSHER/PISTON LOCKED SIGNAL SQ7 MISSING !
Description
The PLC does not detect input (I11 – SQ7) in automatic production cycle.
The problem is normally generated when the SQ7 switch is mis-adjusted and does not read the mechanical
plunger when the pusher/piston is locked in place.
Solutions
Adjust or replace switch SQ7.
Check and reconnect if necessary the pusher/piston to the retract cable.
Check and adjust if necessary the disconnecting hook of the connector locking device.
Remove any mechanical obstruction keeping the connector to move.
Press STOP key on the remote control to reset the alarm.
AL18 - PUSHER/PISTON LOCKED SIGNAL SQ7 ALWAYS PRESENT!
Description
The PLC always detect input (I11 – SQ7) after the transfer device has reached the maximum forward
position (SQ5 turns on).
The problem is normally generated when the mechanical pusher/piston release bracket is not adjusted
correctly.
Solutions
Adjust or replace switch SQ7.
Check and reconnect if necessary the pusher/piston to the retract cable.
Check and adjust if necessary the disconnecting hook of the connector locking device.
Remove any mechanical obstruction keeping the connector to move.
Press STOP key on the remote control to reset the alarm.
AL19 -
Not used.