KEYENCE LK-G Series - Manual (Page 186)

A-2 LK-G-M-NOA-E
Troubleshooting
This section describes the possible problems and their solutions for LK-G Series operation.
Symptom Checking content Remedy
Nothing is displayed on
the monitor display. Are the controller and the
display panel cable of the
display panel properly
connected?
Is the power cable properly
connected? Connect the power cable and display
panel cable properly.
( page 1-6)
Is the ECO mode turned on? Change the setting as required.
( page 3-54)
Error message is
displayed. – Address the problems according to the
respective messages displayed on the
screen.
( A -5)
The measured value is
not displayed. Is the measurement target
placed within the measurement
range? Place the measurement target within the
measurement range.
( page 1-8)
Is the head setting properly set? Set it up properly.
( page 3-3)
Does the cover glass have dust
or dirt on it? Remove the dust and dirt.
( page 1-7)
Does the cover glass have flaw
or crack? Replacement of the cover glass is
required. Because this replacement
requires KEYENCE repair service,
contact your nearest Sales Office.
Is the timing control properly set
according to the measurement
mode? Set the timing control according to the
measurement mode.
( page 3-41)
Does the unit have
condensation? Install the unit in the proper operating
environment.
( page 2)
The laser is not emitted. Is the head-to-controller cable
properly connected?
Is the power cable properly
connected? Connect the head-to-controller cable
and the power cable properly.
( page 1-16)
Are the laser remote interlock
input and the LASER OFF input
inputted properly? Check wiring connections.
( page 5)
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