Hitachi C 12LSH, Technical Data And Service Manual

Page: 79 / 101

--- 75 ---
• Check the wiring.
• Replace the Monitor
[260] .
• Check the Switching Power
Supply [233] for conductivity,
input and output referring to
"11-4. Wiring Diagram."
• Replace the Switching Power
Supply [233] .
• Same as item 10- a to b .
• Replace the Encoder [35A] .
• Replace the Encoder [16A] .
• Replace Cord (C) [18] or Cord
(B) [168] .
• Replace the Monitor [260] .
• Replace the Monitor [260] .
a Laser marker is
horizontally deviated
from the saw blade.
b Laser marker accuracy
is not adjusted
properly.
------
0.2/100
(Figs. 83 and 84)
------
------
------
------
------
• Adjust the position of the laser
line. (Refer to "8-4. Position
Adjustment of Laser Line.")
• Same as item 8- b .
Item
Phenomenon
Cause (s)
Factory
standard
Inspection, repair or adjustment
9
Laser line does not
match the cutting
position.
a Improper wiring in the
monitor, break in the
internal wiring, monitor
failure, or controller
failure
b Switching power
supply failure
a Same as item 10- a
to b .
b Encoder failure
c Cord (B) or Cord (C)
are disconnected.
a Faulty switch on the
circuit board in the
monitor, monitor
failure, or controller
failure
a Faulty switch on the
circuit board in the
monitor, monitor
failure, or controller
failure
10
Digital display does
not indicate anything.
(Only Model C 12LSH)
11 Digital display does not
indicate properly.
(Only Model C 12LSH)
(Miter angle)
(Bevel angle)
(Miter angle)
(Bevel angle)
12 Angle indicated on the
digital display can not
be reset.
(Only Model C 12LSH)
13 Back light of digital
display can not be
turned on/off.
(Only Model C 12LSH)
------
------