Table of Contents
Advertisement
4.1 TROUBLE IDENTIFICATION
Try to
fully analyze the circumstances in which trouble
occurs.
and/or for assisting YASNAC service personnel who may
be called in to correct the trouble.
following points will minimize the
system.
RECOGNITION OF TROUBLE STATUS
4.1.1
What operation will cause
the trouble? ( Is other oper-
ation performed normally?)
When does the trouble occur:
every time or frequently?
Was there any external
( 3 )
disturbance such as power
i n t e r r u p t i o n o r l i g h t n i n g
when the trouble occurred?
( 4 )
Did it occur during or after
operation of mode switches
such as EDIT or memory,
or process keys such as
on CRT panel?
( 5 )
Ensure the following points
if the trouble occurred as
related to feed and/or
spindle operation:
Check of LED on the drive unit
ON/OFF check of circuit breaker
Time of trouble occurrence such as
( 6 )
Does it
Record the machining program, '
offset, work coordinate system shift
amount or coordinate system set
value if it depends on the part
program.
This is necessary for identifying the trouble
' o f t
at power ON.
at acceleration.
at
deceleration.
at steady-state running.
depend
on the part program?
Verifying the
down time
H o w ?
e y s
'
-
T r o u b l e
How often ?
W h e n ?
L i g h t n i n g ? ~
71
Advertisement
Table of Contents
Troubleshooting
