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Here's how to tell if your Casablanca Intelli Touch W-11 wall switch is working.
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            Connect the hot side of an AC power cord to the Line In to the W-11 
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            Connect the neutral side to a light bulb, lamp, etc. 
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            Connect the Line Out of the WC-11 to the other side of the light bulb. Use a jumper wire. 
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            Connect the oscilloscope leads to the hot and neutral sides of the light bulb. 
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            Be sure that all the wiring is secure so that nothing shorts out during the testing. 
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            Plug in the AC plug to a 110 volt outlet 
 
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            Turn on the W-11 power switch. 
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            Does the light turn on? If not, check your wiring. 
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            Turn off the power, take apart the W-11 and test the power switch with a continuity tester/multimeter. 
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            Set up the oscilloscope to observe the AC sine wave. 
 
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            Press the Light button 
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            Check the ossilloscope. 
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            Do you see the small signal that appears on the rising side of the AC sine wave? 
 
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            Press the fan button 
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            Do you see the signal on the falling side of the AC sine wave? 
 
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            Press the fan and light switches simultaneously. 
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            Do you see the signals on both the rising and falling sides of the AC sine wave? 
 
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