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Error code reference

Samsung Heat Pump Error Code E154

Prohibit compressor starting due to outdoor temperature exceeding allowed range (heat mode prohibited when outdoor temp over 30°C; heat mode with refrigerant charging prohibited when outdoor temp over 15°C).

SourceSamsung Heat Pump - Service Manual: Troubleshooting Guide (AVXCMH036EA)p. 12-8

Samsung codesSamsung heat pump codes
Diagnostic procedure

The full E154 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Verify outdoor temperature is within operating range; if error occurs outside expected conditions, read outdoor inlet air temperature sensor value via view mode or S-net and compare to actual temperature.

SourceSamsung Heat Pump - Service Manual: Troubleshooting Guide (AVXCMH036EA)p. 12-8

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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

13 manuals in the MyPros+ library document this code for Samsung heat pump.

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