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Jason PinedaSep 13, 2025
Why 3M SFT control valve has no water flow signal?
- WwalterskathleenSep 13, 2025
If your 3M Water Dispenser's control valve isn't showing a water flow signal, check if the bypass valve is in the bypass position and restore it to the service state. Ensure the water pipeline is correctly installed; if the import waterway is reversed, repair the water pipeline. The flow meter may be damaged and needs replacement. Also, check if the flow meter sensor plug is properly inserted or damaged; insert or replace it as needed. Lastly, the circuit board could be damaged, requiring replacement.
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