42ESerious
Samsung Refrigerator 42E Error Code
The inverter compressor has a fault, often indicating a startup failure or overcurrent condition.
Common causes
- Compressor mechanical failure (seized)
- Inverter control board failure
- Wiring issue between inverter and compressor
How to fix it
- Check that the refrigerator is not in defrost cycle (wait 30 minutes).
- Inspect compressor start relay and wiring; tighten any loose connections.
- Measure compressor winding resistance (should be balanced).
⚠ When to call a pro: If the compressor is seized or inverter board is faulty, professional service is required.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.