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Err3

Error code 'Err3' - Electronic control or motor fault

Kenmore · Elite Water Softener

What does Err3 mean?

An 'Err3' code indicates a problem with the electronic controller, wiring, the position switch, or the motor.

Common Causes

  • Fault in electronic controller
  • Faulty wiring harness connections
  • Position switch inoperable
  • Motor inoperable

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Unplug the power cord from the wall outlet.

  2. 2

    Carefully check all wiring connections to the position switch and motor to ensure they are secure.

  3. 3

    Plug the power cord back in and wait 8 minutes.

  4. 4

    If the error code 'Err3' reappears, contact customer support.

Browse all codes in this manual (22)
Verified technical data. Last updated: April 2026

Related Faults

Brine tank floodedBrine tank flooded - Clogged drain hose or nozzle/venturiBrine tubing not connectedBrine tubing not connected - Brine cannot reach valveBypass valve(s) in 'bypass' positionBypass valve(s) in bypass position - Soft water supply interrupted
Source: Kenmore Elite Water Softener
Open Manual (Page 22)Search more codes in this manual