Problem summary
Your Samsung American fridge freezer is causing your household electrics to trip. This is a sign that the appliance has developed an electrical fault and is drawing unsafe current to earth. It's not safe to keep using it, and it requires professional diagnosis.
Likely causes
Based on repair records for this fault pattern, the most common causes are:
Heater fault (63% of cases) The defrost heater or other heating element inside the fridge freezer may have developed a fault that causes it to leak current to earth. This is the leading cause of tripping in models across the range.
Control board fault (8% of cases) The main PCB or inverter PCB can develop faults that cause electrical leakage, especially if there has been water ingress or component failure.
Evaporator fan or motor fault (5% of cases) Motor windings or fan assemblies can degrade and create earth leaks.
Other electrical components Ice maker circuits, wiring, or internal connectors can also develop faults.
Why this needs an engineer
All of these parts involve either mains voltage, sealed refrigeration systems, or electronic control circuits. None should be diagnosed or repaired as a DIY job.
Trying to repair this yourself risks electric shock and water damage. More importantly, you need an engineer with test equipment to identify which component is faulty and to verify the fault is cleared before the appliance is used again.
What to do now
- Stop using the appliance. Do not switch it back on or reset the trip switch repeatedly.
- Leave the circuit breaker off until an engineer has inspected it.
- Do not attempt to dry it out, reset it, or test it yourself.
- Call a qualified engineer to carry out an insulation test and identify the faulty component.
When the engineer attends, they will use test equipment to establish which part has failed and replace it. They may need to order a part if it's not in stock.
If you're in Northern Ireland, SMC Services can usually book a repair within 2-3 working days.