KEYENCE LK-G Series - Manual (Page 187)

A-3 LK-G-M-NOA-E
Displayed
measurement values
fluctuate. Is the number of times for
averaging properly set? Set the number of times for averaging
properly. ( page 3-22)
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.
Does the ambient operation
conditions have splash of water
or oil? Remove the splash by air purging or the
like.
Is there another LK-G sensor
head nearby creating mutual
interference? Use the mutual interference prevention
function or the LASER OFF function.
( page 3-40)
Change the mounting position of the
sensor head.
Is there strong extraneous light? Shield the extraneous light.
Does the measurement target or
the sensor head vibrate? Take appropriate countermeasures such
as isolating the sensor from the vibration.
Is the head setting properly set? Check head settings.
( page 3-3)
Displayed
measurement values
deviate. Is the measurement target
slanted or displaced? Place the measurement target within the
measurement range
( page 1-8)
Is the proper calibration value
set? Perform the calibration setting again.
( page 3-20)
Does the ambient operating
temperature significantly
change? Keep the ambient operating temperature
constant. ( page 2)
Cannot change the
program No. Is the program selection
properly set? Set the program selection according to
the program change method.
( page 3-50)
Is keylock set to ON? Set the keylock to OFF. ( page 3-53)
Is the setting mode or the
communication mode turned
on? Change the program setting mode to the
measurement mode.
Comparator output
cannot be outputted
properly. Is the unit properly wired? Check the output circuit and wiring, and
connect properly.
Is the tolerance properly set? Perform the tolerance setting again.
( page 2-3)
Is the comparator output form
properly set? Set it up properly.
( page 3-42)
Symptom Checking content Remedy
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