Error code reference

Samsung Air Conditioner Error Code E703

Error due to opened EEV of indoor unit (1st detection).

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

Samsung codes Samsung air conditioner codes

Diagnostic procedure

The full E703 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 EEV wire connection to PCB; check EEV coil connection; check coil resistance; reset outdoor unit with K3.

SourceSamsung System Air Conditioner Indoor Unit - Full Service Manual (AM FN Series)p. 4-31, 4-114

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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

More models are covered than are listed here.

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The full E703 procedure

Where this code is documented

Models covered by the manuals that document this code

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