Question about UPM Programmable Wall Switch Timer
Our indoor UPM timer no longer works. It hs worked fine for two years. But now, even switching on the lights requires multiply pressings of the on-off button. Even then, not always. Lately, it has required more and more manual pressings till the lights come on. We've replaced both fluorescents in the fixture controlled by the timer, but results are same.
Do you suspect a faulty timer that needs to be replaced?
Yes this does sound like a faulty timer, to be more specific it sounds like the triac device inside the timer is failing.
Posted on Mar 02, 2009
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