PROBLEMS
CAUSE
COUNTERMEASURES
Control Unit (Gun)
sighting is not
satisfactory.
The Control Unit
(Gun) does not
appear to be
operating correctly.
The fluorescent light
does not come on.
The fluorescent light
of Holster does not
come on.
Sights are not aligned due
to changes in the
surrounding environment.
LED board malfunctioning
Sensor unit malfunctioning
LED board and LED board
cover are contaminated.
Fuse on the sensor unit has
blown due to a momentary
electrical overload.
A fault with the
microswitches
A fault with the LED board
Speed sensor settings are
wrong.
The sensor unit is broken.
The speed sensor circuit
fuse has blown due to a
momentary electrical
overload.
The fluorescent light has
died.
The fluorescent light has
died.
The starter or ballast is
broken.
Perform sighting adjustment in the test mode
(see Sec. 9-3).
Check to ensure that the LED lights up. If it
does not light up, replace (see Fig. 14.1b).
Replace the sensor unit (see Sec. 10).
<JPT-2030 SENSOR UNIT>
Wipe off soiled surfaces (see Sec. 13).
Fix the source of the overload, then replace the
fuse (see Sec. 14-3). <514-5143-200 FUSE S.B
200MA250V HBC CE ROHS or 514-5146
-200 FUSE S.B 200MA250V 218 CE ROHS>
Use an Input Test to make sure they change
between ON and OFF. If they do not, exchange
the faulty microswitches (see Sec. 10).
<509-5080 SW MICRO TYPE>
Check that the LEDs are on. If not, exchange
them (see FIG. 14.1b).
Use TEST Mode to correct the settings
(see Sec. 9-3).
Exchange the sensor unit (see Sec. 10).
After resolving the cause of the overload,
change the fuse (see Sec. 14-3).
<514-5143-200 FUSE S.B 200MA250V HBC
CE ROHS or 514-5146-200 FUSE S.B
200MA250V 218 CE ROHS>
Exchange the fluorescent light (see Sec. 12).
Exchange the fluorescent light (see Sec. 12).
Exchange the starter or ballast (see Sec. 12).
40
