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Using the Sundowner Controller

Problem Solving

If a particular module won’t go on or off from the buttons on the Sundowner Controller:

Check that you have power to the outlet controlling the Module and the switch on the light or
appliance is ON.

Check that the Unit Code on the Module is set to the correct number. Check the 1-4/5-8 selector on
the top of the Sundowner Controller. Check that the Housecode on the Module is set correctly. The
Housecode on the Module and the Sundowner Controller must be set to the same letter.

Try plugging the Module and the Sundowner Controller into the same outlet. If the Module doesn’t
work in ANY outlet, not even with the Module and the Sundowner in the same duplex receptacle
(top and bottom) the Module might be defective. Contact 

http://www.x10.com/support 

for help.

If modules won’t go on at dusk or off at dawn

Check that the appropriate switches on the base of the Sundowner Controller are “ON.” Point the
Sundowner Controller directly at a window (do not place it in a dark corner). Note: closing drapes
near the Sundowner Controller can cause it to turn on lights elsewhere. Adjust the sensitivity control
towards LIGHT to make lights turn 

off 

later (i.e., when there is more daylight), or towards DARK to

make lights turn 

off

 earlier (i.e., when there is less daylight). Make sure that the Sundowner Controller

can’t “see” any of the lights it is controlling, otherwise it might “think” it is light outside.

If you can’t control ANY modules from the Sundowner Controller

Check that you have power to the outlet for the Sundowner Controller. Check that the Housecode on
the Sundowner Controller is set correctly. Try plugging the Module and the Sundowner Controller
into the same outlet. If NONE of your Modules work in ANY outlet, not even with the Module and
the Sundowner Controller in the same duplex receptacle (top and bottom) the Sundowner Controller
might be defective.  Contact 

http://www.x10.com/support 

for help.

Intercom Systems

Intercom systems which send voice signals over existing electrical wiring may interfere with the
operation of the Sundowner Controller when the intercom is in use. If the Intercom system has its
own separate wiring it will not cause a problem.

Power Interruptions

When the power is restored after an outage, Lamp Modules and Wall Switch Modules will normally
be OFF. Appliance Modules will stay as they were before the interruption.

Local Control

Lights and appliances connected to plug-in Modules can be turned ON with their own power switch.
Simply turn the switch OFF then ON again once or twice. For lamps with three-way bulbs, you might
have to rotate the power switch a few times before the light comes on.

The Wall Switch Module can be turned ON or OFF locally using its push button. The power On-Off
switch on the Wall Switch Module is used to completely turn off the power. For example, when
changing a light bulb.

LIMITED 1-YEAR WARRANTY

Please visit http://www.x10.com/warranty

for warranty information. Thank you.

SD533-4/03

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