Mitsubishi MELSEC-A series - 8.2 Common Troubleshooting Scenarios

8. TROUBLESHOOTING /MELSEC-A
8.2 Troubleshooting
8.2.1 General troubleshooting
Error
4
Us AGGPP to read error code.
1
YES
Error code?
Check cause and remedy according to error code
list.
Drive unit operates.
NO Does not move.
c See Section 8.2.2 "Drive inoperative"
1
Nn n-es not move.
b See Section 8.2.2 "Drive inoperative"
1
Incorrect
Positioning
OK?
NO positioning
rn See Section 8.2.3 "Incorrect positioning"
-
Positioning peed OK? - See Section 8.2.4 "Speed wrong"
Unrequested
Positioning
stops? See Section 8.2.6 "Unrequested stop"
NO
See Section 8.2.7 "Zeroing fault"
NO
Refer to relevant instruction manuals.
1
r-l Contact local Mitsubishi representative.
8-7
IB INN €661014
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