Error code reference

Samsung Air Conditioner Error Code E604

Tracking error between wired remote controller and indoor unit (tracking not complete for more than 3 minutes).

SourceSamsung DVM S2 Air Conditioner Outdoor Unit - Service Manual (AM072-AM240HCV)p. 85

Samsung codes Samsung air conditioner codes

Diagnostic procedure

The full E604 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

Power reset of wired remote controller.

SourceSamsung DVM S2 Air Conditioner Outdoor Unit - Service Manual (AM072-AM240HCV)p. 85

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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

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

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full E604 procedure

Where this code is documented

Models covered by the manuals that document this code

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