Mitsubishi Melsec-A Series User Manual page 150

8, TROUBLESHOOTtNG
/MELSEC
8.2.7 Zeroing fault
( 1
)
Partial zeroing
Monitor zeroing process with
AGGPP or A D 7 1 T U .
Zeroing signal
OK?
NO
m
Check zeroing switch wiring etc.
r
NO
I I
Check the zeroing method selected
in the palameten.
<
Stopper method?
>
Check that zeroing signal witches
on then off.
<
Time-out method.
>
System is OK
I
Check pulse chain from AD71.
Y E S
Pulse chain O K ?
c
Contact nearest Mitwbirhi representative.
*
i - 1 - 1
Check motor drive unit.
8-1 4
I 0 IN41 66101.A