There may be several reasons why this happens
- The water purifier is set to the unfiltered spray setting or the unfiltered stream setting. In these cases, the display is off. The display only works when the water purifier is set to the filtered spray setting.
- The tap water pressure is lower than specified. The water purifier needs a minimum water pressure to work. Roof-top water tanks must be located at least 7 m.c.a. (meters of water column) higher than the water outlet to provide the minimum required water pressure.
- The poles of the battery point in the wrong direction. Insert the battery in the correct way.
- The battery compartment cover is not properly fitted. Reattach the battery compartment cover in the correct way.
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