12 - 10 12 - 10
12 TROUBLESHOOTING
MELSEC-ST
(3) Output module with protective function
Target module: ST1Y -TPE3
(a) When ERR. LED is flickering
ERR. LED is flickering.
Completed
NO
YES
Shorted
Not shorted
YES
NO
Is the wiring
connected to the
output terminal
shorted?
Is overcurrent
flowing due to
overload?
Repair the shorted wiring.
Confirm the external device
specifications and reduce
the load current to within
the specification range.
Change the output
module whose ERR.
LED is flickering.
Has the ERR.
LED turned
off?
Please contact your local
Mitsubishi service center or
representative, explaining a
detailed description of the
problem.
Summary of Contents for MELESEC-ST
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Page 23: ...A 21 A 21 MEMO...
Page 114: ...10 22 10 22 10 MOUNTING AND INSTALLATION MELSEC ST MEMO...
Page 125: ...11 11 11 11 11 EMC AND LOW VOLTAGE DIRECTIVE MELSEC ST MEMO...
Page 163: ...Index 2 Index 2 MEMO Ind...
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