3、
Common fault and eliminating methods
3.1
、
Don’t start up
Cause
analysis:
(1)
Three
dry
cells
working
voltage
is
lower
than
3
V
(2)The
power
plug
contact
with
the
motherboard
(3)
The
travel
switch
contact
undesirable
Troubleshooting:
(1) Replace the battery in time
(2)Open
the
shell,
reinstall
the
power
plug
(3) Open the shell to adjust the position of the switch chip
Note: keyboard or motherboard damage can also cause cannot boot (less likely),
and to change the contact.
3.2
、
After startup without laser line
Cause
analysis:
(1) Instrument tilt is too large, beyond the scope of work is the police
(2)
laser
tube
main
board
attachment
poor
contact
or
broken
Troubleshooting:
(1)Adjust the Angle of screw adjust equipment to work within the scope of returned to normal
(2)
To
open
the
shell
welding
laser
tube
connection
Note: the main board or damage to the laser tube can also be caused no laser line (less likely), and to
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