9-4 CHAPTER 9: MALFUNCTIONS
ALPHA 552
AL08: Guiding channel close failure!
Description
This alarm is generated whenever the PLC does not receive
the signal (I2 – SQ4). The problem occurs if the switch SQ4 is
defective or misadjusted or if the closing mechanism has a
malfunction.
Solutions
Check the switch SQ4.
Check the closing mechanism.
Press the STOP button on the remote control to reset the
alarm.
AL09: Measuring Cell Failure!
Description
Solutions
AL10: Home position switch failure!
Description
Solutions
AL11: Lathe Did not resume production cycle!
Description
Le PLC has not received the signal clamp closing A1 or the
relay R2 is defective.
Solutions
Check the relay R2
Check the wiring of the interface.
Check the programmation of the lathe.
AL12: Bar loading time elapsed!
To Next Page
Loading...
