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Mitsubishi Electric Melsec-Q172DCPU - Page 212

Mitsubishi Electric Melsec-Q172DCPU
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6 INSPECTION AND MAINTENANCE
(e) Flowchart for when "E " displays on 7-segment LED
"E
" displays when a hardware fault or software fault occurs.
The following shows the flowchart for when "E
" displays on 7-segment
LED at the power supply ON or operation start.
"
" indicates the error code.
END
YES
NO
YES
NO
Explain the error symptom and get
advice from our sales representative.
Is the
operating system
software installed to Motion
CPU module?
Install the operating system software.
Reset the Multiple CPU system.
"E " displays on 7-segment LED
Does "E " disappear
on 7-segment LED?

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