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david Asked :How do we diagnose a faulty sensor flow waste?
Answered By QS Team :
There are a number of points as to why the sensor flow would not work as desired. 1. A strong reflection from the basin or other items would cause the tap to flow continuously or for a longer time than desired. To rule this out you will need to cover the surrounding with an old rag to prevent any reflection. If the problem persists then you will need to power off and on the sensor tap. On the first instance keep the hands as close to the sensor. Repeat this procedure at approx 75mm from the sensor.