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Touch lamp repair

I have a touch lamp that had a blown bulb, replaced the bulb and the lamp will still not light either by switch or touch. There is no identifying information on the lamp other than "portable lamp" and "Made in China", there is a few numbers but no brand name.

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  • Anonymous Jan 12, 2009

    I have two touch lamps that won't turn on. After talking with the electronics guy he said that the triac (bt137) is usually the problem. If you take off the bottom plastic plate of the lamp you will find a small black plastic box. Inside this box you will find a small circuit board. On the circuit board look for a black three pronged triac. On the board itself it may be labellled tr-1. Now that you have located it unsolder it from the board and replace it with a new triac from your local electronics supplier (cost about $3.75 each). I hope this will be helpful.

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Double check that the replacement bulb is good. If it is, then when the old bulb blew, it probably shorted and destroyed the touch sensor. The touch sensor is replaceable and is usually located in the base of the lamp. You may have to peel off some felt on the base to expose the screws that hold the base on. Touch sensors are generally available at hardware stores, electrical supply stores, or lighting stores and are around $10-15. They are easy to wire. Just follow the instructions and observe the way the old one was wired. You may need some small wire nuts if they don't come with the new sensor.

Posted on Dec 23, 2008

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Posted on Apr 06, 2011

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