Manual

Appendices
119
Appendices
ProblemItem
Inspection
Action
Ref. page
Measured
value
display
Displayed value is
incorrect.
• Check if scanning head’s serial
No. matches that of ROM
board.
• Check if calibration has been
performed correctly.
• Check if optical axis is properly
aligned.
• Check if target is tilted or
incorrectly positioned.
• Check if target is correctly
placed in measurement area.
• Check if reference edge is set
in measurement area.
• Check target for dust or dirt.
• Use scanning head with same
serial number as ROM board.
• Perform calibration correctly.
• Make sure that optical axis is
properly aligned in INSPECT
mode. If optical axis is mis-
aligned, adjust mounting
conditions while referring to
error message.
• Place target correctly.
• Place target in measurement
area correctly.
• Set reference edge (when
T.EDGE/B.EDGE mode is
used).
• Remove dust or dirt.
p.60
p.115
p.115
Analog
output
(Option)
No output
Check if measured value is
displayed.
Set controller and target correctly
so that measured value is dis-
played.
Output above +10 V
or below -10 V.
Check if analog scaling is set
correctly.
Make sure that analog scaling is
set correctly.
Computer
output
Computer data
output is disabled.
• Check if connector pin connec-
tions are correct.
• Check if computer has been
turned ON before controller.
• Check if program is correct.
• Connect connector pins cor-
rectly.
• Turn ON computer first, and
then turn ON controller.
• When " " is sent from compu-
ter, controller outputs measured
value.
p.8
p.57