NO FLOW
US Water Systems
Flow Detection Failure
Display shows NO FLOW even when water is being used in the home
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Stuck flow meter turbine, Failed flow sensor, Disconnected flow meter cable, Incorrect meter type setting
How to Fix / Troubleshooting
Safety: Shut off water and relieve pressure before removing the flow meter.
- Inspect the flow meter: Remove the flow meter from the outlet or bypass assembly. Clean the turbine and housing of any debris or iron buildup.
- Check cable connection: Ensure the flow meter cable is securely plugged into the control board and not damaged.
- Confirm programming: In the installer menu, verify the meter type and size match the installed meter. Correct any mismatch.
- Replace flow meter: If cleaning and wiring checks do not restore flow indication, replace the flow meter assembly with a US Water Systems compatible part.
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Repair Difficulty
Medium
3/5
Required Part
Flow Meter Assembly
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