0Alarm3002 (Emergency Stop); Alarm 3002 (Emergency Stop) - YASKAWA YASNAC i80 Maintenance Manual

4.2.10 ALARM 3002 (EMERGENCY STOP)

Cause of Trouble
Emergency stop button
depressed, or, machine
end LS is out of place.
Failure of FC230B or
Drop of +24 V power
voltage
Table 4.12
Check Method
(during emergency stop), check
continuity of emergency stop button or
machine end LS shown below. For
diagram prepared by machine
manufacturer.
FC230B
f
CN27-10,11
I
This FC230 failure if alarm 3002 lights
even at #3500 Dz = 1
Check +24 VDC power. If the voltage is
below +20 V, it indicates possible trouble.
Reset the emergency stop
button. Release it from
machine end LS according
to instruction manual
prepared by machine tool
manufacturer.
END LS
MACHINE END
RELEASE
Replace FC230B or FC260,
Contact your YASKAWA
representative.
Replace CPS-12N or
unit).
Contact your YASKAWA
representative.
Solution
93