Hitachi C 10FSB

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a Conroller (pickup) is
out of position.
b Controller failure
c Armature fan is bent
or partially broken.
a Power supply voltage
is lower than rated
voltage.
b Controller failure
a Improper wiring
b Switch failure
c Switching power
supply failure
d Laser marker failure
a Switching power
supply failure
b Laser marker failure
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• Check the position of the
Controller [151] referring to
"11-4. Wiring Diagram".
• Replace the Controller [151].
• Repair the bent fan.
• Replace the Armature Ass'y
[177].
• Same as item 5-(a).
• Replace the Controller [151].
• Check the wiring.
• Check the Switch [156] for
conductivity.
• Replace the Switch [156].
• Check the Switching Power
Supply [144] for conductivity,
input and output referring to
"11-4. Wiring Diagram".
• Replace the Switching Power
Supply [144].
• Replace the Laser Marker [99].
• Same as item 8-(c).
• Same as item 8-(d).
Item
Phenomenon
Cause (s)
Factory
standard
Inspection, repair or adjustment
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6
Saw blade runs too
fast. Saw blade
revolution exceeds
4,180 min
-1
or it is
unstable.
8
Laser marker does not
light.
(Only Model C 10FSH)
7
Overload protection
circuit continuously
functions.
9
Laser light is poor or
strong.
(Only Model C 10FSH)