Error code reference

Samsung Air Conditioner Error Code E311

SUMP TEMP DIGITAL sensor error OPEN/SHORT - detected when outdoor temp over -10°C, error level over 4.95V (-30°C) / below 0.5V (151°C).

SourceSamsung Air Conditioner - Service Manual: Troubleshooting (AVMKH020CA1)p. 220

Samsung codes Samsung air conditioner codes

Diagnostic procedure

The full E311 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 if sensor connector is separated from PCB; measure resistance.

SourceSamsung Air Conditioner - Service Manual: Troubleshooting (AVMKH020CA1)p. 220

Unlock with pass

More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

Unlock E311 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

Where this code is documented

9 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.

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax

The full E311 procedure

Where this code is documented

Models covered by the manuals that document this code

Related Samsung air conditioner error codes