Error code reference

Samsung Air Conditioner Error Code 12

Abnormal increase of discharge temperature (discharge sensor temperature trip).

SourceSamsung SH09BPH/SH12BPH - Service Manual: Room Air Conditionerp. 18, 25

Samsung codes Samsung air conditioner codes

Diagnostic procedure

The full 12 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 outdoor unit ventilation and installation; check if refrigerant is insufficient; check compressor and fan motor.

SourceSamsung SH09BPH/SH12BPH - Service Manual: Room Air Conditionerp. 18, 25

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More steps, wiring diagram references, and verified part numbers

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Where this code is documented

1 manual in the MyPros+ library documents this code for Samsung air conditioner.

Models covered by the manuals that document this code

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The full 12 procedure

Where this code is documented

Models covered by the manuals that document this code

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