Error code reference

Samsung Heat Pump Error Code E551

Indoor heat exchanger EVAP IN sensor breakaway - piping sensor detached from indoor heat exchanger inlet.

SourceSamsung Heat Pump - Service Manual: Troubleshooting Guide (AVXCMH036EA)p. 12-23

Diagnostic procedure

The full E551 procedure

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MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check whether the indoor heat exchanger EVAP IN sensor is separated; reassemble if needed.

SourceSamsung Heat Pump - Service Manual: Troubleshooting Guide (AVXCMH036EA)p. 12-23

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More steps, wiring diagram references, and verified part numbers

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Where this code is documented

3 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 E551 procedure

Where this code is documented

Models covered by the manuals that document this code

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