Error code reference

Samsung Heat Pump Error Code E308

Fixed capacity compressor 1 discharge sensor error OPEN/SHORT. Detected when outdoor temperature is over -10°C.

SourceSamsung Heat Pump - Troubleshooting Guide: Error Codes & Diagnostics (RMAH180GAM0SER)p. 220, 247

Diagnostic procedure

The full E308 procedure

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MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check if fixed compressor discharge temperature sensor connector is separated from PCB; measure resistance.

SourceSamsung Heat Pump - Troubleshooting Guide: Error Codes & Diagnostics (RMAH180GAM0SER)p. 220, 247

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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 heat pump.

Models covered by the manuals that document this code

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The full E308 procedure

Where this code is documented

Models covered by the manuals that document this code

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