Error code reference

Samsung Air Conditioner Error Code EA

Indoor and outdoor unit communication error (displayed on outdoor unit PCB 7-segment).

SourceSamsung Duct Type Air Conditioner - Service Manual (DH44ZA1 Series)p. 4-3, 4-4

Samsung codes Samsung air conditioner codes

Diagnostic procedure

The full EA 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 communication cables between indoor and outdoor units; check PCBs of both units.

SourceSamsung Duct Type Air Conditioner - Service Manual (DH44ZA1 Series)p. 4-3, 4-4

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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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Where this code is documented

7 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 EA procedure

Where this code is documented

Models covered by the manuals that document this code

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