Trouble
Motor run slips one
turn.
Position slips at
random.
4.3.9 CYCLESTARTFAILURE
Trouble
No start signal.
—
Feed hold signal is
fed.
Mode is erroneous.
Reset signal is fed.
System number switch
set erroneously.
Check Procedure
Move from zero point to deceleration LS
direction, read the point where~
#1306 Dd(X-axis) and DS (Z-axis) turn to
O and ensure the positional relation
between zero point pulse position and
deceleration LS position.
● Ensure that coupling and dog are not
loose.
c Check to ensure that the wire is
shielded.
Check Procedure
:heck ifm#1304 Do becomes 1.
;heck ifw#1304 DI is set to 1 (norms
if it is set to 1).
Monitor on PROGscreen if the mode is
set to MEH,TAPEand MDI.
Check if~#1202 D) is set to 1 (normt
if it is set to O).
Normal ifm#6219 is at O or 4,
Normal is the system number switch on
MB20is set toO or 4.
Solution
Locate the point where
deceleration LS turns to 1
from O to the medium of
zero point pulses.
Solution
!elease the interlock with
‘eference to instruction
Ianual of machine manufac-
turer. Check the sequence
md also ensure to be cor-
‘ectly wired.
;heck that feed hold but-
;on is not depressed and
;hat wiring is not discon-
nected. If there is any
[ault, correct it.
Check the mode switch.
Refer to #1300 in ~
table.
Check that external reset
input of #1305 DZ is set
to o.
Correct setting.
–35–
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