Error code reference

Samsung Air Conditioner Error Code E413

Outdoor sump down_1 prevention control - sump temperature maintained at 95°C or more for five minutes.

SourceSamsung System Air Conditioner Indoor Unit - Full Service Manual (AM FN Series)p. 4-17, 4-86

Diagnostic procedure

The full E413 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
1
First diagnostic step
Check if SUMP sensor and discharge sensor are properly connected/attached; check sensor display; check sensor attachment to compressor holder.

SourceSamsung System Air Conditioner Indoor Unit - Full Service Manual (AM FN Series)p. 4-17, 4-86

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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