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Error code reference

Whirlpool Washer Error Code NS

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What the NS error code actually means

Your Whirlpool washer is displaying NS because the control board that runs the machine does not recognize the wash cycle you selected, usually because two internal computer boards are out of sync with each other. This can happen after a repair or if one of the boards develops a software problem. The washer will not run until the boards are matched up correctly, which typically requires a technician.

Diagnostic procedure

The full NS procedure

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1
First diagnostic step
Perform Service Cycle to pair the UI and CCU SW. Replace User Interface. If failure still present, replace also the CCU.
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Most common causes of NS

Ranked by how often they cause this code
  1. 1UI and CCU software version mismatch
  2. 2Corrupted CCU EEPROM
  3. 3Corrupted User Interface EEPROM
  4. 4Incorrect replacement UI board installed
  5. 5Failed Service Cycle pairing

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Questions people ask about NS

What does NS mean on a Whirlpool washer?
NS stands for Not Supported and means the Central Control Unit received a cycle selection from the User Interface that it does not recognize. This is caused by a software version mismatch between the two control boards or a corrupted EEPROM on one of the boards. The washer will not run the selected cycle until the mismatch is corrected through a pairing procedure or board replacement.
How do I fix the NS error code on my Whirlpool washer?
The first step is to perform the Service Cycle, which attempts to pair the User Interface and CCU software so they communicate correctly. If the NS code persists after the Service Cycle, the User Interface board should be replaced. If the error still appears after replacing the UI, the CCU must also be replaced to eliminate the corrupted or incompatible component.
How much does it cost to repair the NS error code on a Whirlpool washer?
If only the Service Cycle pairing procedure is needed, there may be no parts cost, though a technician service call typically runs between $75 and $150. If the User Interface board requires replacement, parts and labor generally range from $150 to $350 depending on the model. Replacing the CCU in addition to the UI can bring total repair costs to between $300 and $600 or more.
Will resetting my Whirlpool washer clear the NS error code?
A basic power reset is unlikely to permanently clear the NS code because the underlying cause is a software mismatch or corrupted EEPROM, not a temporary fault. The error will return as soon as you attempt to select a cycle. The correct fix requires running the Service Cycle pairing procedure and, if that fails, replacing the affected control board.
Is it safe to use my Whirlpool washer when it shows the NS code?
The NS error prevents the washer from running the selected cycle, so the machine will not operate normally while the code is active. There is no immediate safety hazard from the code itself, but you should avoid forcing repeated cycle attempts, as this will not resolve the underlying board mismatch and could cause additional stress on the control electronics.

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