A water softener that has stopped working rarely fails with a bang. The spots come back on the glasses, the soap stops lathering, the salt level never seems to move. This page helps you work out what you are seeing, the safe checks you can make yourself, and what to tell a pro when you ask for a repair.
Install Water Softener is an independent referral service, not an installer or plumber. When you send the form, your details go to an independent local water treatment pro who can contact you and prepare a quote.
Signs your softener needs a repair
Hard water has signs that the U.S. Geological Survey, EPA and water utilities all describe: soap scum, soap or detergent that will not lather, and deposits on dishes, fixtures and basins. If those come back after you have had soft water, the softener is not doing its job. Other signs point at the unit itself:
- The salt level in the brine tank stays the same for much longer than it used to
- Water is standing high in the brine tank
- Spots, scale or soap scum are back where they had gone
- The control head is dark, blinking or showing the wrong time
- The softener seems to run, or send water to the drain, at odd times or all the time
- Water pressure in the house dropped after the softener was installed or serviced
- Orange or black staining has started, which can point at iron or manganese in the water
One sign alone can have a simple cause. Several together are a good reason to ask a pro to look. Write down what you see and when it started; it saves time on the visit.
Safe checks before you ask for a repair
Some causes are things you can check without tools or opening anything under pressure. Read your softener’s manual first, and stop if anything is unclear.
Is the bypass open?
The bypass valve takes the softener out of the line. If someone turned it for a plumbing job and never turned it back, the house gets hard water while the softener sits idle. Check that the valve is set to service, not bypass. The manual or the label on the valve shows which way is which.
Does the control head have power and the right time?
A softener with a timer regenerates on a schedule. After a power cut, some control heads lose the time, so they regenerate in the middle of the day or not at all. Check that the unit is plugged in, the outlet works and the time and settings are right.
Is there a crust in the salt?
Salt can form a hard crust, or bridge, over an empty space above the water in the brine tank. The tank looks full, but no salt reaches the water and the resin is not cleaned. If the salt level never drops, press gently on the surface with a broom handle and see if it gives way. Do not hammer on the tank.
Is the salt the kind the maker calls for?
Softeners of the NSF/ANSI 44 kind are cleaned with sodium chloride or potassium chloride, and makers say which form of salt their unit takes. Check the manual. If you changed salt recently and problems started soon after, tell the pro.
Checked the basics and still have hard water?
Where do-it-yourself repair should stop
Repair videos show people taking apart control valves, cleaning injectors and replacing seals. Some homeowners manage it. Before you start, weigh three things. The softener sits on your main line under pressure, so anything you open has to be isolated with the bypass first and put back so it does not leak. Parts differ from maker to maker and from model to model, so a video for one valve can mislead on another. And a wrong setting can leave you with hard water you do not notice for a while, or a softener that wastes salt and water.
A sensible line: checks that need no tools, such as the bypass, the power, the clock, the settings and a salt crust, are yours. Anything that means opening the valve, cutting a line or lifting the resin tank is a job for a plumber or water treatment pro, who has the parts for your model and can test the water afterwards.
What a pro looks at
When the easy checks do not explain it, the fault is inside the system, where a pro has the parts and knows the valve. A repair visit is a process of elimination, and these are the places a pro can check:
| What you see | Where a pro may look |
|---|---|
| Salt not going down | Salt bridge, brine line, injector or the control valve’s brine draw |
| Water standing in the brine tank | Brine line, float, injector or the drain line |
| Hard water back | Settings, resin, the bypass, the valve, or a change in your water |
| Runs or drains all the time | Control valve seals, the timer, the drain flow |
| Low pressure | Resin, the distributor inside the tank, an inline filter, the bypass |
| Orange or black staining | Iron or manganese in the water, the settings, the need for a filter |
The pro may also test the water coming out of the softener for hardness. That one figure answers the main question: is the softener softening or not?
Repair or replace
Some faults are in parts that can be replaced: a seal, a motor, a float, a line or the control head itself. Others are in the resin or the tank. When the repair is a large part of the cost of a new system, or the unit is old enough that parts are hard to find, replacing can make more sense. There is no single age at which a softener should go; it depends on the maker, the water and how it has been looked after. Ask the pro to explain the fault and give you both options in writing if replacement is on the table.
If replacement is the answer, see softener replacement: the plumbing is often already in place, which changes the job.
What to tell the pro
- The make and model, from the label on the control head or tank
- Roughly how old the unit is, if you know
- What you see, and when it started
- What you have already checked: bypass, power, time, salt crust
- Your hardness, from your utility’s report or a test
- Any recent plumbing work, power cuts or a change of salt
In Texas, anyone who services water treatment equipment under contract needs a state Water Treatment Specialist license unless exempt, and plumbers licensed in Texas are exempt. Elsewhere, ask the pro what the local rule is.
After a repair
Ask the pro to show you what was replaced and to check the hardness setting while they are there. Water utilities commonly note that some softening systems can make water more corrosive, which can damage the anode in a tank water heater, so a repair visit is a good moment to ask whether your settings suit your water. Then follow the maker’s upkeep schedule; maintenance and service explains what that covers and how it can head off the next repair.
When it is not the softener
Some problems look like a broken softener but start elsewhere. A change at your utility can change your hardness, so a softener set for the old figure lets some through. On a well, water can change after flooding or nearby construction, and EPA advises testing after any change like that. Iron and manganese stain orange and black and are not what a softener is chiefly for. A pro who tests the water before replacing parts saves you paying for the wrong fix.
Questions people ask
Is it worth repairing a water softener?
It can be, if the fault is in a part that can be swapped, such as a seal, float, line or control head. If the resin or tank has failed or parts are hard to find, replacement can make more sense. Ask for both options in writing.
What are the common problems with water softeners?
Salt that does not go down, water standing in the brine tank, hard water coming back, a control head that lost its settings, and a bypass left open after other plumbing work.
How much is it to repair a water softener?
This site prints no prices. The cost depends on the part, the make and the visit. A pro can quote once they know the make, model and symptoms.
How much water should be in the bottom of a brine tank?
It depends on the design: some hold water all the time, others fill only before regenerating. The manual for your model says what is normal; water much higher than that is worth a check.
How long does a water softener last?
No published standard gives one figure. It depends on the maker, your water and the upkeep. Follow the maker’s schedule and ask the pro what they see inside.
