Alarms - LNS QUICK LOAD SERVO III MI Instruction Manual

8-2
1.

ALARMS

Please read the safety instructions provided 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.
1.1. PLC alarms
AL01 - SAFETY 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.
AL02 - MAIN ACCESS COVER OPEN !
Description
The PLC does not detect the input (I2 – SQ10) of 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 main access cover.
Check the switch SQ10.
AL03 - PROTECTION GRID OPEN !
Description
The PLC does not detect the input (I3 – SQ11) of the safety switch on the protection grid. The problem is
generated when the protection grid on the bar feeder is open, exposing automated mechanical parts.
Solutions
Close the protection grid cover.
Check the switch SQ11.
AL04 - BARFEEDER NOT IN WORKING POSITION !
Description
The PLC does not detect the input (I4 – SQ12) of the safety switch on the retraction system. The problem
is generated when the barfeeder has not been brought into working position.
Solutions
Check the barfeeder position.
Check the switch SQ12.
QUICK LOAD SERVO III MI
CHAPTER 8: MALFUNCTIONS / MAINTENANCE