Hitachi C 12LCH Technical Data And Service Manual page 54

Item
Phenomenon
Laser line does not
8
match the ink line.
(Models C 12LCH/
C 12FCH)
Fig. 59
Fig. 60
Laser line does not
9
match the cutting
position.
(Models C 12LCH/
C 12FCH)
Digital display does not
10
indicate anything.
(Models C 12LCH/
C 12LC)
Cause
a Ink line is not right
angle.
b Laser marker accuracy
is not adjusted
properly.
c Product accuracy is
not good.
a Laser marker is
horizontally deviated
from the saw blade.
b Laser marker accuracy
is not adjusted
properly.
a Improper wiring
b Monitor (A) failure
c Monitor ass'y failure
d Controller ass'y failure
e Disconnection of flat
cable between monitor
ass'y and controller
f Switching power
supply failure
Factory
standard
------
0.2/100
(Figs. 59 and 60)
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--- 50 ---
Inspection, repair or
adjustment
• Make a correct ink line again.
• Readjust the accuracy of the
laser marker. (Refer to "11-9.
Adjustment of Laser Marker
Accuracy".)
• Readjust the accuracy of the
product and the laser marker.
• Adjust the position of the laser
line. (Refer to "8-1. Position
Adjustment of Laser Line".)
• Same as item 8-(b).
• Check the wiring.
• Replace Monitor (A) [125].
• Check the Monitor Ass'y [173]
for conductivity.
• Replace the Monitor Ass'y
[173].
• Check the Controller [114] for
conductivity.
• Replace the Controller [114].
• Replace the Controller [114].
• Check the Switching Power
Supply [249] for conductivity.
• Replace the Switching Power
Supply [249].