17/28 EL50RT 4PH 250m
9.0 TROUBLESHOOTING
Trouble
Check
Corrective Action
Operation LED does not light.
( Transmitter Unit )
1. No power supply.
2. Bad wiring connection or broken
wire, short.
1. Turn on the power.
2. Checking wiring.
Alarm LED does not light
when the beam is broken.
( Receiver Unit )
1. No power supply
2. Bad wiring connection or broken
wire, short.
3. Beam is reflected on another
object and sent into the receiver.
4. Two beams are not broken
simultaneously.
5. The beam interruption time is
shorter than the set response
time.
6. Inline or stacked beam sensors
set up with improper frequency
channel.
1. Turn on the power supply.
2. Check wiring.
3. Remove the reflecting object or
change beam direction.
4. Break two beams
simultaneously.
5. Set the response time shorter.
6. According to the manual
instruction and readjust the
channel.
Alarm LED continues to light
( Receiver Unit )
1. Beam alignment is out.
2. Shading object between
Transmitter and Receiver.
3. Optics of units are soiled.
4. Wrong beam frequency channel
set up.
1. Check and adjust again.
2. Remove the shading object.
3. Clean the optics with a soft
cloth.
4. Readjust the DIP-SW for the
right channel.
Intermittent alarms
1. Bad wiring connection.
2. Change of supply voltage.
3. Shading object between
Transmitter and Receiver.
4. A large electric noise source,
such as power machine, is
located nearby Transmitter and
Receiver.
5. Unstable installation of
Transmitter and Receiver.
6. Soiled optics of Transmitter and
Receiver.
7. Improper alignment.
8. Small animals may pass through
the 2 beams.
1. Check again.
2. Stabilize supply voltage.
3. Remove the shading object.
4. Change the place for
installation.
5. Stablize.
6. Clean the optics with a soft
cloth.
7. Check and adjust again.
8. Set the response time longer.
(Impossible in a site where an
intruder can run at full speed. )
Summary of Contents for EL50RT 4PH 250m
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