Keyence LS-3100/3100W Series User Manual Page 87

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  • TROUBLESHOOTING
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81
Check
item
Problem
Details of inspection Corrective action
Reference
page
CHAPTER 9 Troubleshooting Guide
Abnormal measure-
ment values are being
displayed.
• Do the serial numbers match
between the controller and
scanning head?
Has calibration been
correctly performed?
Is the laser beam correctly
aligned?
Is the target tilted or has it
moved from the original
position?
Are the targets correctly
placed within the measure-
ment area?
Is a reference edge placed
within the measurement
area?
• Is there any dust or dirt on
the target?
Isn’t the controller set to the
analog output range setting
mode?
Connect a scanning head
with the matching serial
number.
Correctly perform calibration.
Check whether or not the
laser beam is correctly
aligned in the laser beam
alignment check mode. If the
beam is not correctly aligned,
refer to the error message as
indicated in the display and
adjust the mounting condi-
tions accordingly.
Correctly place the targets.
Correctly place the targets
within the measurement area.
Place a reference edge within
the measurement area.
Remove any dust or dirt from
the target.
Set the appropriate measure-
ment mode.
p. 14
p. 41
p. 65
"H-Err" is displayed.
Is the scanning head
properly connected?
Turn the power OFF, then after
correctly connecting the
scanning head, turn the power
ON.
Analog
output
No output.
(0 V output)
Is the measurement value
displayed?
To make sure that the target is
correctly measured, correctly
position the controller and
targets.
Voltage above +6 V or
below -6 V is output.
Is the analog output range
correctly set?
Check that the analog output
range is correctly set.
p. 78
Are the targets correctly
placed in the measurement
area?
• Is a standard edge placed
within the measurement
area?
•Is there any dust or dirt on
the laser aperture?
•Is there any dust or dirt on
the targets?
Is there a large fluctuation of
ambient temperature?
Correctly place the target
within the measurement area.
Place a standard edge within
the measurement area.
Remove any dust or dirt.
Remove any dust or dirt.
Maintain the constant operat-
ing temperature.
The measurement display
value contains unusual
dispersion.
Measure-
ment
Value
Display
p. 22
p. 84
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