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6 INSPECTION AND MAINTENANCE
(l) Flowchart for when "RUN" LED turns off
The following shows the flowchart for when "RUN" LED turns off during
operation.
(a) "Flowchart for when "POWER"
LED turns off"
"RUN" LED turns off.
Does "POWER" LED
turn on ?
NO
YES
YES
(n) "Flowchart for when "ERR." LED
turns on/is flickering"
NO
Is "ERR." LED
on/flickering ?
Reset the Motion controller.
Does "RUN" LED turn on ?
YES
(1) Controller part fault/poor
connection between the module
and base unit
(2) Excessive noise generation
Explain the error symptom and get
advice from our sales representative.
For the case of (1)
NO
NO
Set the RUN/STOP/RESET switch to
STOP and write END to address 0
with the GX Developer.
Set the RUN/STOP/RESET switch to
RUN and enter to the monitor mode
with the GX Developer to be operated.
Does "RUN" LED turn on ?
NO
YES
Possible cause is a sequence
program error.
Check the program and modify the
program error location.
Does "RUN" LED turn on ?
YES
END
Connect a surge suppression circuit,
such as CR, to the noise source.
For the
case of (2)