50
16
TROUBLESHOOTING
PROBLEMS CAUSE COUNTERMEASURES
The Control Unit (Gun) sighting
is not satisfactory.
Sights are not aligned due to
changes in the surrounding
environment.
Perform sighting adjustment in the test
mode.
<See 6-11>
LED board malfunctioning. Check to ensure that the LED lights up.
If it does not light up, replace.
<See 16-2>
Sensor unit malfunctioning. Replace the sensor unit.
<See 12-3>
LED board and LED board cover
are contaminated.
Wipe off soiled surfaces.
Sensor interference caused by
another like machine.
Make sure that the interference
prevention wire is attached properly.
<See 6-11>
Malfunction caused by ambient
lighting.
Change product installation location if
strong lighting is positioned near the
monitor.
The Control Unit (Gun) does not
appear to be operating correctly.
A fault with the microswitches. Use an Input Test to make sure they
change between ON and OFF. If they do
not, exchange the faulty microswitches.
<See 12-2>
A fault with the LED board. Check that the LEDs are on. If not,
exchange them. <See 16-2>
The sensor unit is broken. Exchange the sensor unit.
<See 12-3>
Fluorescent lamp does not
illuminate.
Lamp life expired. Replace lamp/glow lamp.
<See chapter 14>
Functions due to the activation of bimetal. To restore the function, wait for
approximately 1 minute or longer until the bimetal cools off.
(Press the button.)
CIRCUIT PROTECTOR
16-1 FIG. 01
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