Optex VX-402 - Troubleshooting Guide

| 9. TROUBLE SHOOTING
PROBLEM DESCRIPTION
PROBABLE CAUSE
REMEDY
Detector fails
incorrect power supply valtage
Set supply voltage for a range of 9.5 to 18 VDC.
LED does not light. LED switch is turned OFF.
Turn LED switch ON
(Sec section 6-6 on page 9.}
DIP switch A-4 is set for Night Only.
Set switch A-4 for Day/Night and see if it works
{See section 6-6 on page 9.)
continuously
incorrect power supply voltagc
to work,
DIP switch A-3 (Directional Detection) Turn OFF DIP switch A-3
Alarm is not cutputted
is turned ON (See section 6-6 on page 9.)
wire ala
Faulty wiring to det Rewire alarm output correctly
(See section 4 on page 5.)
LED blinks
Set supoly voltage for a range of 9.5 to 18 VDC.
Make alarm
continuously
Jumper is not connected to the AUX INPUT
terminal
Connect the jumper to the terminal
(See section 4 on page 5.)
Make atarms
even though
no moving
object is in
the area
Detector is not installed perpendicularly
to the ground.
Reinsta!l the detector perpendicularly to the
ground. (See section3-2 on page 4.}
Lower detection area is unnecessarily long.
Confirm and reset the detection area.
(See section6-1.2 on page 7.8.)
Lower detection area receives reflected sunlight
or car light, ete
Remove the reflector or reset the detection area
or mask the area exposed to reflected light
(See section6-1 - 3 on page 7.8.)
Lower detection area is exposed to direct sunlight:
of car light
‘ Reset the area so it may rot receive direct light.
(See section6-1,2 on page 7.8.)
There is any heat source (stove or heater. etc.)
in the area that may cause temperature change.
Reset the area or remove the heat source
(See section6-1.2 on page 7,8.)
There is any moving object (laundry on
clothesline. plants, etc.) in the area
Reset the area or remove moving objects.
(See section6-1.2 on page 7.8.}
No detection
occasionally
Detection area is not set appropriately
Reset the area appropriately.
(See section6-1,2 on page 7.8.)
Sensitivity is set for L(ow)
Resct sensitivity for M(edium) or Hiigh)
(See secon 6-4 on page 9.)
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