Error code reference

Samsung Heat Pump Error Code G5

Breakaway of SUCTION sensor - suction temperature does not change within 2°C during first 30 minutes from compressor start.

SourceSamsung Heat Pump - Troubleshooting Guide: Outdoor Unit Error Codes (RMAH140GAM0SER)p. 182, 212

Samsung codes Samsung heat pump codes

Diagnostic procedure

The full G5 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 suction temperature sensor is separated from compressor; reassemble to correct.

SourceSamsung Heat Pump - Troubleshooting Guide: Outdoor Unit Error Codes (RMAH140GAM0SER)p. 182, 212

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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

9 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 G5 procedure

Where this code is documented

Models covered by the manuals that document this code

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