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TROUBLESHOOTING GUIDE
If you experience a problem with your Light Control, first follow this guide. You may also want to visit our Web site
at: www.desatech.com. For additional assistance call 1-800-858-8501 7:30 AM to 4:30 PM Central Time,
weekdays.
POSSIBLE CAUSE
SYMPTOM
Lights will
not come on.
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 turnoff 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.
Lights come
on in day-
light.
1. Light Control may be installed in a rela-
tively dark location.
2. Light Control is in Test.
(Set control switch
to an ON-TIME position).
Lights come
on for no
a p p a r e n t
reason.
1. Light Control may be sensing small ani-
mals or automobile traffic
(re-aim sensor).
2. Range is set too high.
(Reduce Range
setting).
3. Dual Brite™ Timer is on.
SYMPTOM
Lights stay on
continuously.
POSSIBLE CAUSE
1. A lamp is positioned too close to the sensor or
pointed at nearby objects that cause heat to
trigger the sensor.
(Reposition the lamp away
from the sensor or nearby objects).
2. Light Control is pointed toward a heat source
like an air vent, dryer vent, or brightly-painted
heat-reflective surface.
(Reposition sensor.
Reduce Range).
3. Light Control is in Manual Mode.
(Switch to Auto).
1. Heat or light from the lamps may be turning the
Light Control on and off.
(Reposition the lamps
away from the sensor).
2. Heat being reflected from other objects may be
affecting the sensor.
(Reposition sensor).
3. Light Control is in the Test mode and warming
up.
(Flashing is normal under these conditions.
Turn Boost off).
Lights turn
off too late in
D u s k - t o -
Dawn setting.
1. Sensor is in a relatively dark location.
(Re-
locate sensor, or use 3 hr or 6 hr setting).
Lights flash
once, then
stay off in
Manual Mode.
1. Sensor is detecting its own lights.
(Reposi-
tion lamps to keep area below the sensor
relatively dark).
Lights flash
on and off.
YOUR HEATH
®
/ZENITH TEN YEAR LIMITED WARRANTY
This is a "Limited Warranty" which gives you specific legal rights. You may also have other rights which vary from state to state
or province to province.
For a period of ten year from the date of purchase, any malfunction caused by factory defective parts or workmanship will be
corrected at no charge to you. Light bulbs are not covered. To obtain a refund or a replacement, return the product to the
place of purchase.
Not Covered - Repair service, adjustment and calibration due to misuse, abuse or negligence, light bulbs and other expendable
items are not covered by this warranty. Unauthorized service or modification of the product or of any furnished component will
void this warranty in its entirety. This warranty does not include reimbursement for inconvenience, installation, setup time, loss
of use, or unauthorized service.
This warranty covers only Heath
®
/Zenith assembled products and is not extended to other equipment and components that
a customer uses in conjunction with our products.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY
WARRANTY, REPRESENTATION OR CONDITION OF MERCHANT ABILITY OR THAT THE PRODUCTS ARE FIT FOR
ANY PARTICULAR PURPOSE OR USE, AND SPECIFICALLY IN LIEU OF ALL SPECIAL, INDIRECT, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES.
REPAIR OR REPLACEMENT SHALL BE THE SOLE REMEDY OF THE CUSTOMER AND THERE SHALL BE NO LIABILITY
ON THE PART OF DESA FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
BUT NOT LIMITED TO ANY LOSS OF BUSINESS OR PROFITS, WHETHER OR NOT FORESEEABLE. Some states or
provinces do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion
may not apply to you. Retain receipt for warranty claims.
