Vaillant
Over-Frequent Regeneration
Softener regenerates too often, sometimes daily, even with low water usage
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Possible Causes
Hardness set too high, Capacity set too low, Flow meter miscounting pulses, Leak in household plumbing causing constant flow
How to Fix / Troubleshooting
Safety: No hydraulic work is required for initial checks.
Steps:
- Check programming: Verify hardness and capacity settings against actual water hardness and resin volume.
- Check for leaks: With all taps closed, see if the display shows flow. If so, investigate for leaks or running toilets.
- Test flow meter: Compare displayed usage with actual meter readings over a day. If the softener records much higher usage, the flow meter may be faulty and should be replaced.
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Repair Difficulty
Easy
2/5
Required Part
Inlet Flow Meter
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