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Error code reference

Samsung Heat Pump Error Code E468

Digital compressor loading failure or OLP trip detected - no change in temperature and pressure despite compressor operation.

SourceSamsung Heat Pump - Service Manual: Troubleshooting Guide (AVXCMH036EA)p. 12-66

Samsung codesSamsung heat pump codes
Diagnostic procedure

The full E468 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check resistance between compressor terminals; if abnormal, wait for compressor to cool (OLP trip); if normal, check high/low pressure.

SourceSamsung Heat Pump - Service Manual: Troubleshooting Guide (AVXCMH036EA)p. 12-66

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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

2 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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