Why are “touchless” sink controls and automatic soap dispensers so finicky and unreliable?
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What others have said about sensors as well, then add that sometimes the spot that activates the sensors is directly where the sink is. So basically the sink set the faucet off all the time. Some of them have adjusters to compensate, but sometimes the sweet spot is in a place you would never put your hands to wash them.
Also a big thing is how they are cleaned. If there’s a smudge or damage from using a harsh cleaner on the sensors screen (it’s eye) it’ll throw the sweet spot off by a lot.
Also they are battery powered. So the batteries could just be weak, or the holders could be worn out from changing batteries often.
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