Hard water returning (softener has salt but water is hard)
Most hard-water callbacks come from salt that is not reaching the water (bridge or mush), wrong settings, or a regeneration that is not drawing brine. Check the brine tank first, then programming, then the valve.
Before you start
- Unplug the controller before opening the valve
- Do not use sharp metal tools that can crack the brine tank
Diagnostic steps
Unlock all 5 steps with expected values
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