Enerlites DWOS-1277 Installation Instructions Download Page 2

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WARRANTY INFORMATION

TROUBLESHOOTING

OPERATION

This device is warranted to be free of material and workmanship defects for 2 years from the 

date of purchase. Original receipt or proof of purchase from an authorized retailer must be 

presented upon warranty claim. ALL claims must be verified and approved by Enerlites, Inc. 

Warranties from other Enerlites products may vary. This warranty is nontransferable and 

does not cover normal wear and tear or any malfunction, failure, or defect resulting from 

misuse, abuse, neglect, alteration, modification, or improper installation.  To the fullest extent 

permitted by the applicable state law, Enerlites shall not be liable to the purchaser or end 

user customer of Enerlites products for direct, indirect, incidental, or consequential damages 

even if Enerlites has been advised of the possibility of such damages.  Enerlites’ total liability 

under this or any other warranty, express or implied, is limited to repair, replacement or 

refund.  Repair, replacement or refund are the sole and exclusive remedies for breach of 

warranty or any other legal theory.

©

 

2016 Enerlites Inc.

 

CA, U.S.A. 

WWW.ENERLITES.COM 

020

6

16000

5

Off/ Occupancy/ Vacancy Mode Switch

The 

OFF

 position:

 Switch is turned off and will not detect motion. The 

push button will not function.

OCC

upancy position:

 The load will automatically turn on when motion is 

detected and automatically turn off when the selected time delay has expired.

 

The push button may be used to manually turn ON/OFF the load and time 

delay will also take effect.

VAC

ancy position:

 The load will turn on ONLY when the push button is 

used and automatically turn off when the selected time delay has expired. 

The push button may be used to manually turn ON/OFF the load and time 

delay will also take effect. If the time delay has expired and the load turns off, 

the load will turn on again automatically if motion is detected within 30 

seconds.

NOTE: 

For 

DWOS-1277-NL

, there is night light behind the Fresnel Lens 

and it functions as follow:

     OFF

  ---- The Night Light stays on constantly.

     

OCC

  ---- The Night Light will not function.

     

VAC

  ---- 

T

he Night 

L

ight will turn on 

when motion is detected

       and the load is off. The Night Light will turn off when

       load is on.

1.

Push Manual On/Off Button, if the load turns On; verify that 

the

 Range 

dial 

is on high.

2.

Check the wiring connections

. Be sure the

 N

EUTRAL

 wir

e is present

.

3. Switch may be in VACancy mode. Select the OCC position on the Mode 

Switch if "Auto ON" is what's desired.

 

NOTE: There is a 1 minute warm-up time at initial power-up. The load 

may turn on/off several times.

The Load does not turn On. LED does not flash regardless of motion:

The Load does not turn On

 when LED indicator flashes and motion is 

detected

:

1.

Push Manual On/Off Button, if the load turns On; verify that 

the

 Range 

dial 

is on high.

2.

Check the wiring connections

. Be sure the

 

LOAD

 wir

e is connected

.

3.

Switch may be in VACancy mode. Select the OCC position on the Mode 

Switch if "Auto ON" is what's desired.

4.

Check the 

Light

 dial. The pointer indicates the light level the ambient light 

needs to drop to before the load is automatically turned on.

 

The Load does not turn Off:

1.

Motion may be detected. The time delay constantly restarts its countdown 

after the last motion detected. To verify proper operation, turn the Time 

Delay Knob to 15s (Test Mode) and make sure there is no motion (no LED 

flashing). Tape may be used to cover the fresnel lens while testing.

2.

Check for significant heat source emitting within six feet (two meters) such 

as high wattage light bulb, portable heaters or HAVC vents.

3.

If Manual operation of push-button is desired, select VAC mode on the 

Mode Switch.

4.

If the sensor is installed in a small room, turn the Range dial lower

 to avoid 

false or unwanted detection from open window or door.

 

1.

Motion may be detected. The time delay constantly restarts its countdown 

after the last motion detected. To verify proper operation, turn the Time Delay 

Knob to 15s (Test Mode) and make sure there is no motion (no LED flashing). 

Tape may be used to cover the fresnel lens while testing.

2.

Check for significant heat source emitting within six feet (two meters) 

such as high wattage light bulb, portable heaters or HAVC vents.

3.

Check the wiring. Make sure the HOT and LOAD wires aren't reversed. 

The Load 

turns on when its not desired

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