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* When the alarm LED is set to OFF for operation, use the walk test function and check operation.
Daily inspection
1. For maintenance, wipe the unit clean using a soft, wet cloth, and wipe off any water. If the unit is seriously dirty, lightly
wipe the unit clean using a soft cloth that has been immersed in water diluted neutral detergent, and the wipe off the
detergent completely. Do not use thinners or benzine. (Otherwise plastic components may become deformed, discolored, or
changed)
2. Check operation periodically, approximately every week. Also make sure to check operation when you move tables and
partitions and change the layout in protected rooms.
9
OPERATION CHECK
TROUBLESHOOTING
10
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Status
Cause
Remedy
Unit does not operate
at all
(1) Power is not turned ON (including cable
disconnection), or the power voltage is too low.
(2) Approximately 1 minute has not passed since the
power is turned ON (The alarm LED is blinking)
(3) There are shielding objects in front of the detection
area (Note that glass is considered as a shielding
object)
(4) Detection area setting is inappropriate
(1) Check the power wire and set the power voltage
properly
(2) Wait approximately 1 minute
(3) Remove shielding objects
(4) Set the detection area again
Unit does not operate
from time to time
(1) Detection area setting is inappropriate
(2) Cover surface is dirty with dust or water
(3) Detection distance is inappropriate
(4) Temperature difference between the human body
and surrounding area is small
(1) Set the detection area again
(2) Wipe off dirt using a soft, dry cloth (Do not use any
chemicals, such as thinner or benzine, which may
result in damage to the unit)
(3) Set the detection distance within the rated distance
(Maximum detection distance: 49
’
(15m), mounting
height: between 6.6
’
to 20
’
(2.0 to 6.0m))
(4) Set the sensitivity setting to 130%
Unit operates when no
human body passes through
the area
(1) Power voltage is unstable
(2) There are moving objects (such as pets),
or equipment subject to rapid temperature
fl uctuations (such as air outlets or outdoor units of
air-conditioning equipment, refrigerator, or clothes
dryer)
(3) There are sources to generate electric noise
(4) Unit is subject to strong sunlight refl ection or
headlights
(5) Unit detects human bodies passing outside the
detection area
(6) Sensitivity setting is high
(7) Unit detects pets
(8) Unit detects an automatic cleaning robot
(1) Set the power voltage properly
(2) Remove objects causing the trouble
(3) Change the mounting place
(4) Change the mounting place, or shield the light
using shades
(5) Set the detection area again
(6) Set the sensitivity setting to 70% or 40%
(7) Keep pets away from the detection area
Set to the pet operation mode (installation height:
between 8.3
’
to 10
’
(2.5 to 3.0m))
(8) Keep automatic cleaning robots away from the
detection area
Alarm LED lights up, but the
connected device does not
operate
(1) Alarm signal is not transmitted properly, or wiring
is disconnected or short-circuited
(2) Alarm contact output is not issued
(3) Alarm output setting is inappropriate
(4) Connected devices do not operate properly
(1) Fix poor wiring, disconnection, and short-circuit
(2) Use a tester and check the output terminals
(3) Change the alarm output setting
(4) Check connected devices
Alarm LED continues to light
or blink, and the alarm goes
on continuously
(Abnormal detection)
(1) Check if the abnormal detection status is
generated after warming up even if the power is
reset
(1) Disconnection or damage may occur inside the
unit
