AO Smith
Excessive Regeneration Frequency
Softener appears to regenerate too frequently (daily or more) without obvious reason.
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Possible Causes
Hardness set too high, Incorrect capacity setting, Flow meter misreading high usage, Hidden leaks in plumbing
How to Fix / Troubleshooting
Safety first: No hazardous work is required for basic checks.
Check for leaks and usage:
- Inspect toilets, faucets, and outdoor spigots for leaks.
- Monitor the softener’s usage display (if available) to see if it reports unusually high daily gallons.
Verify programming:
- Confirm hardness and capacity settings match your water conditions and softener size.
- Adjust reserve capacity or safety factor if set too conservatively.
Flow meter check:
- If usage readings are clearly wrong, inspect and clean the turbine/flow sensor.
After adjustments, monitor regeneration frequency over several days. If still excessive, the control board or flow sensor may need replacement.
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Repair Difficulty
Easy
2/5
Required Part
Turbine / Flow Sensor Assembly
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