6 - 21
6 INSPECTION AND MAINTENANCE
(e) Flowchart for when "AL" "A1" " " displays on 7-segment
LED.
""AL" (flashes 3 times) Steady "A1" display
" "" displays at the self-
diagnosis error occurrence.
The following shows the flowchart for when ""AL" (flashes 3 times)
Steady "A1" display " "" displays during operation.
: 4-digits error code is displayed in two sequential flashes of 2-digits each.
END
NO
YES
YES
NO
YES
NO
"AL" "A1" " " displays
on 7-segment LED.
Hardware cause fault?
Correct each Motion controller setting
based on the error causes .
Noise cause?
Take measures against noise.
Reset the Motion controller.
Does "AL" "A1"
" " disappear on 7-segment
LED.
Explain the error symptom and get
advice from our sales representative.
Confirm details of error by Motion
CPU error batch monitor of
MT Developer2.
Summary of Contents for Q170MCPU
Page 1: ......
Page 19: ...A 18 MEMO ...
Page 81: ...2 54 2 SYSTEM CONFIGURATION MEMO ...
Page 135: ...5 10 5 START UP PROCEDURES MEMO ...
Page 171: ...7 6 7 POSITIONING DEDICATED SIGNALS MEMO ...
Page 225: ...APP 54 APPENDICES MEMO ...
Page 228: ......