Heath Zenith DualBrite Replacement Sensor Head 2LBN3 - Manual (Page 4)

4 598-1115-04
POSSIBLE CAUSE
1. A bulb is positioned too close to the
sensor or pointed at nearby objects
that cause heat to trigger the sensor.
(Reposition the bulb away from the
sensor or nearby objects).
2. Sensor is pointed toward a heat source
like an air vent, dryer vent, or brightly-
painted heat-reflective surface. (Repo-
sition sensor. Reduce RANGE).
3. Light control is in Manual Mode. (Switch
to Auto).
1. Heat or light from the bulbs may be
turning the light control on and off.
(Reposition the bulbs away from the
sensor).
2. Heat being reflected from other objects
may be affecting the sensor. (Reposi-
tion sensor).
3. Light control is in the TEST mode and
warming up. (Flashing is normal under
these conditions. Turn BOOST off).
1. Sensor is detecting its own lights.
(Reposition bulbs to keep area below
the sensor relatively dark).
SYMPTOM
Lights stay
on continu-
ously.
Lights flash
on and off.
Lights flash
once, then
stay off in
Manual Mode.
SYMPTOM
Lights will
not come on.
Lights come
on in day-
light.
Lights come
on for no
apparent
reason.
Lights turn
off too late
in Dusk-to-
Dawn setting.
POSSIBLE CAUSE
1. Light switch is turned off.
2. Light is loose or burned out.
3. Fuse is blown or circuit breaker is
turned off.
4. Daylight turn-off is in effect (Recheck
after dark).
5. Incorrect circuit wiring, if this is a new
installation.
6. Re-aim the sensor to cover desired
area.
1. Light control may be installed in a
relatively dark location.
2. Light control is in TEST. (Set control
switch to an ON-TIME position).
1. Light control may be sensing small
animals or automobile traffic. (Re-aim
sensor).
2. RANGE is set too high. (Reduce
RANGE).
3. D
ual
B
rite ® Timer is on.
1. Sensor is in a relatively dark location.
(Relocate sensor, or use 3 hr or 6 hr
setting).
TROUBLESHOOTING GUIDE
1 YEAR LIMITED WARRANTY:
Should this product fail to perform satisfactorily due to a defect or poor workmanship within one year of date of
purchase, return it to the place of purchase and it will be replaced, free of charge. Incidental or consequential
damages are excluded from this warranty. Light bulbs are not covered.
Manufactured for Grainger International, Inc.
Lake Forest, IL 60045