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Optex LX-402 - Trouble Shooting; LED Not Lighting Up; False Activations; No Relay Output

Optex LX-402
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NOTE
This unit is designed to detect moving object and activate an alarm control
panel.Being only part of a complete alarm system,we cannot accept
responsibility for any damages or other consequences resulting from an
intrusion.
This Product conforms to the EMC Directive.89/336 EEC.
This product is NOT a human detector of security purpose.
We recommend our other detectors of security purpose,if you would like
to use detector for security purpose.
inches(mm)
LX-402 LX-802N
8.TROUBLE SHOOTING
9.SPECIFICATIONS 10.DIMENSIONS
PROBLEM PROBABLE CAUSE REMEDY
Improper power supply voltage. (disconnection, low
voltage)
Confirm the power supply is under specification.
Wrong polarity Switch positive and negative at terminal.
The detector is in warm up period. Wait for.(approx. 60 sec.)
See section 6-1.
Confirm the adjustment knob.
Incorrect detection area. See section 2.
Moving object within area. (curtain, wall hanging, etc.) Remove the object from the detection area.
Improper power supply voltage. Confirm the power supply is under specification.
LED lights up even though no one The unit is detecting presons, cars or other
is in detection area. objects beyond the set area.
Temperature of object within area is changing rapidly
(heater, air conditioning, etc.)
Remove the heat sources from the detection area.
Check load of output.
The unit needs repair or replacement.
Faulty wiring. Wire correctly.
The LED lights up, but there is no Alarm output connects to other devices as follows.
relay output when NC output is used when NC output is used
:connect in parallel. :connect in series.
when NO output is used when NO output is used
:connect in series. :connect in parallel.
Check the detection area.
Relay contact is stuck or damaged due to overloading.
LED does not light up.
The Day/Nigth Mode Adjustment knob setting is
inappropriate.
LX-402 LX-802N
40ft×50ft(12m×15) 80ft×6.6ft(24m×2)
120°wide Long range
Multi-Level Area 40 zones 12 zones
Pet Alley Area 18 zones 4 zones
Multi-Level Area
Pet Alley Area
6.0oz (170g) 6.8oz (190g)
Approx. 60 sec.
10.8-13.2VDC
Opens when cover removed.
2 (20±5 sec.) or TEST(1 pulse)
Approx. 10 to 100,000 lux
Mounting
IP54
25 mA max
Wall (Indoor/Outdoor)
-F - +122°F(-20
- +50
)
95% max
Current draw
IP Rating
Passive Infrared
8.3ft (2.5m) max
4-5ft (1.2-1.5m)
1-3.3ft/sec. (0.3-1.0m/sec.)
Selectable 3 position (H,M,L)
LED lights during detection
2±1 sec.(Delay timer)
NC.NO.28V DC 0.2A max
Accessory
Masking strips (LX-402 only),Mounting screw,Sponge
Specifications may be changed without prior notice for improvements.
Operating temperature
Environment humidity
Weight
Day/Night Mode adjustment
Warm up period
Power input
Detection speed
Sensitivity adjustment
LED indicator
Alarm period
Alarm output
Pulse count
Tamper switch
Model
Detection method
Coverage
Mounting height
Detection area
alarm shop

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