Error code reference

Samsung Air Conditioner Error Code E457

Outdoor fan counter-rotation error - fan rotating counter-clockwise before operating due to external wind.

SourceSamsung Air Conditioner - Service Manual: PCB Setup & Troubleshooting (ND022LHXEA)p. 4-28, 4-93

Samsung codes Samsung air conditioner codes

Diagnostic procedure

The full E457 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check the feedback connection line; check if motor operates well; check for strong external wind.

SourceSamsung Air Conditioner - Service Manual: PCB Setup & Troubleshooting (ND022LHXEA)p. 4-28, 4-93

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More steps, wiring diagram references, and verified part numbers

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Where this code is documented

5 manuals in the MyPros+ library document this code for Samsung air conditioner.

Models covered by the manuals that document this code

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The full E457 procedure

Where this code is documented

Models covered by the manuals that document this code

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