Mitsubishi MELSEC-A series - Page 144

8. TROUBLESHOOTING /MELSEC-A
8.22 Drive inoperative
Check LOCK switch.
I
YES
c
Set LOCK switch to OFF.
NO
Check LEDs on AD71 front panel.
SERVO x
0 0
YZERO
READY
0 0 XZERO
.ERR(Y
0 0 HOLD
YEUSY
0 0 WDT
XBUSY
0 0
BAT} ERR
SERVO-ERR
YES
Turn on serw ready signal.
.
HOLD, WDT ERR
marked on?
If CPU reset does not remedy error, contact
nearest Mitsubirhi representative.
NO
-7 Check pulse output
A I
unit requirement?
I Rnaet auameter nulse nutwt made accordina to I
..____r__._.___ ______r__..._-.-...-
- --
motor drive unit.
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,
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8-8
IS INN €61014
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