5
OPERATION CHECK
5-1
LED INDICATION
Alarm/Level indicator LED (Receiver only)
Note>>
• The operation of the Alarm/Level indicator LED will not be changed by the battery saving timer setting. Whenever
the beam is interrupted, the indicator will turn ON.
Alarm/Level
indicator
LED
Power/Low battery indicator LED
Power/Low
battery indicator
LED
Caution
• Remove all batteries prior to
replacing with new ones. If
this is not followed, the low
battery indicator LED will
not reset and continue to
blink.
5-2
OPERATION CHECK
After installation is complete, be sure to check the operation.
Make sure that the Alarm/Level indicator LED is OFF.
1
If it is illuminated even when the beams are not
blocked, make optical alignment again.
Check that the Power/Low battery indicator LEDs
2
on both transmitter and receiver are ON.
If the Power/Low battery indicator LED is blinking,
the battery power is low.
Replace with new batteries.
Conduct a walk test to check that Alarm/Level
3
indicator LED on the receiver turns ON as the
walker interrupts the beams.
DETECTOR
Beam Interruption
Beam not
received sufficiently
Beam received sufficiently
Receiver
BATTERY CONDITION
Normal
Receiver is low battery
Transmitter is low battery
Both Receiver and
Transmitter are low battery
Transmitter
BATTERY CONDITION
Normal
Transmitter is low battery
Be sure to conduct a walk test at the following three points:
A. In front of the transmitter
B. In front of the receiver
C. At the mid point between the transmitter and receiver
The detector is installed properly when Alarm/Level indicator
LED turns ON in the tests at all the three points.
EN-13
LED
ON (continue)
Fast blink
or
OFF
LED
ON (continue)
• • •
• • •
• • •
LED
ON (continue)
• • •
Transmitter
A
C
Slow blink
Receiver
B