Desa HD-9140 User Manual

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595-5660-06

1. A lamp is positioned too close to

the sensor or pointed at objects
that causes the sensor to trigger.

(Aim the lamp away from the sen-
sor or objects).

2. Control is pointed at a heat source

like an air vent, dryer vent, or brightly-
painted heat-reflective surface.

 (Re-

aim sensor. Turn Boost off).

1. Heat or light from the lamps may be

turning the Light Control on and off.

(Aim lamps away from the sensor.
Turn Boost off)

.

2. Reflected heat from other objects

are triggering the sensor. 

(Re-aim

sensor. Turn Boost off)

.

3. Control is warming up. 

(Flashing is

normal under these conditions. Wait
1 minute for sensor to warm up)

.

4. Control is in Test. 

(Set control switch

to an ON-TIME position)

.

1. Light switch is turned off.
2. Flood light is loose or burned out.
3. Fuse is blown or circuit breaker is

turned off.

4. Daylight turnoff is in effect. 

(Re-

check after dark)

.

5. Incorrect circuit wiring, if this is a

new installation.

6. Re-aim the sensor to cover de-

sired area.

1. Control may be installed in a rela-

tively dark location.

2. Control is in Test. 

(Set control

switch to an ON-TIME position)

.

1. Control may be sensing small ani-

mals or automobile traffic. 

(Re-

aim sensor or use lens shield)

.

2. Sensitivity is set too high. 

(Reduce

sensitivity. Turn Range Boost off)

.

If you experience a problem, follow this guide. You may also want to visit our Web site at: www.desatech.com. If the problem
persists, call* for assistance at 1-800-858-8501, 7:30 AM to 4:30 PM CST (M-F). You may also write* to:
DESA Specialty Products™
P.O. Box 90004, Bowling Green, KY 42102-9004
* If contacting Technical Service, please have the following information available: Model Number, Date of Purchase,
and Place of Purchase.