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Water softener error codes
Sometimes your water softener tells you exactly what's wrong—as long as you can crack the code. Below are common error code tables for the most popular brands, along with an explanation of what the code means, possible repair parts you might need and DIY advice. Visit Sears PartsDirect’s repair help section for more DIY advice on water softeners, major appliances, lawn and garden equipment, garage door openers, vacuum cleaners and more. To find the owner’s manual or a complete list of replacement parts for your water softener, search for your model number.
Symptoms for water softeners
Choose a symptom to see related water softener repairs.
Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…
Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…
Main causes: faulty brine valve assembly, bad rotor valve…
Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…
Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…
Main causes: lack of electrical power, bad power transformer, faulty timer…
Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…
Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…
Repair guides for water softeners
These step-by-step repair guides will help you safely fix what’s broken on your water softener.
How to replace a water softener venturi
The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…
Repair difficulty
Time required
15 minutes or less
How to replace a water softener rotor position switch
The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…
Repair difficulty
Time required
30 minutes or less
How to replace a water softener timer
The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus…
Repair difficulty
Time required
15 minutes or less
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