LNS TRYTON 107 - 2. ALARMS

94 CHAPTER 9: TROUBLESHOOTING / MAINTENANCE
TRYTON 107/112
2. ALARMS
Please read the safety precautions described at the beginning of this manual before
handling the following devices.
Particular attention should be given to the handling of electrical elements because of risks
of electrocution. In case of possible electrical malfunctions, it is advisable to contact LNS
or their local representative.
2.1. PLC alarms
AL01 – EMERGENCY STOP LINE OPEN !
Description
The lathe or the bar feeder goes into an emergency stop condition.
The problem is generated anytime the safety line opened.
Solutions
Check the states of the emergency stop buttons of barfeed and lathe.
Check the wiring according to the Electrical drawings.
Check the PLC connection.
Press STOP key on the remote control to reset the alarm.
AL02 – MAIN ACCESS COVER OPEN !
Description
The PLC does not detect input (I4 – SQ11) from the safety switch on the main access cover.
The problem is generated when the main access cover on the bar feeder is open, exposing automated
mechanical parts.
Solutions
Close the cover.
Adjust or replace switch SQ11.
Press STOP key on the remote control to reset the alarm.
AL03 -
Not used.
AL04 – BAR FEEDER RETRACTED OR NOT LOCKED IN ITS WORKING POSITION
Description
The PLC does not detect input (I3 – SQ10) from the safety switch on the lateral pivoting device.
The problem is generated anytime the bar feeder is swung out to load new bar stock into the guide
barrels and the SQ10 switch is no longer intact.
Solutions
Put the bar feed back into working position and tighten down the locking screw so that the bar feed
cannot move out of its working position .
Adjust or replace switch SQ10.
Press STOP key on the remote control to reset the alarm.