A healthy softener regenerates briefly, on a schedule or after a set amount of water use, and then goes quiet. When the cycle gets stuck, stalls partway, or starts at the wrong time, the first clues often come from the drain, the meter, or the display rather than from the water itself. Catching these early keeps a small fault from becoming a long shutdown.
Signs to watch for
Listen for water running or gurgling at the drain line when no one has used water in the house. Note whether the brine tank seems to fill higher than it used to or seems to take in water for longer than usual. Check whether the control display shows a regeneration in progress for an unusually long time, or whether it cycles on and off without finishing.
Hard water returning sooner than expected can also be a sign that the unit is regenerating at the wrong moments, even if nothing looks broken. Pay attention to whether taps run hard in the morning after a stretch when the house was quiet.
Use the water meter as a check
Your water meter can show a problem that is otherwise hidden. On a quiet period, such as overnight or when everyone is away, read the meter, write down the number, and read it again a few hours later with no taps or appliances running. If the reading climbs when the house is still, water is going somewhere, and a softener that is stuck in a cycle is a likely cause. Do this check more than once so you can rule out a dripping fixture.
What to do in the meantime
If water is pouring out of the drain constantly, shut off the supply to the softener using the bypass or the shutoff valves and let the household use unsoftened water until someone can look at it. Do not open the control head or disconnect lines to test it yourself. Take notes on what you saw, when you saw it, the meter readings, and any power outages around the same time, since a power interruption can change how the control resets.
What to tell the service contact
Give the dealer or technician a short written log: the times you heard water at the drain, the meter readings, what the display showed, and whether hard water came back early. A clear log lets them check the right part of the system instead of starting from scratch, and it helps you judge whether the visit is worth the cost.