How do I fix error code 45E on a Samsung refrigerators?

1. undefined: Measure AC voltage at outlet — should be 115V nominal 2. undefined: Check for other heavy loads on same circuit 3. undefined: Inspect power cord and outlet for damage

Samsung Refrigerators2013–present

Error Code 45E

Q: What does error code 45E mean on a Samsung refrigerators?

Wall voltage too low for freezer compressor to run Supply voltage below AC 106V; Shared circuit overloaded causing voltage sag; Damaged power cord or outlet

Wall voltage too low for freezer compressor to run

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 45E

What This Means

Supply voltage below AC 106V; Shared circuit overloaded causing voltage sag; Damaged power cord or outlet

What actually causes this:

Low household voltage, extension cord use, or a shared circuit with too many loads.

First Thing to Check

Measure the voltage at the wall outlet with a multimeter — it should read approximately 115V AC.

Parts Involved

F Room inverter PCB (LC3-3A)Power supply circuit

How to Fix

1
Measure AC voltage at outlet — should be 115V nominal
2
Check for other heavy loads on same circuit
3
Inspect power cord and outlet for damage

This Error Applies To

Samsung RF32FM Series Refrigerators (2013) (2013–present)

Service manual exact match: RF32FM**Service manual exact match: RF32FMQDBSR/AA

Related Error Codes

Fridge compartment defrost sensor has failed or come loose

Freezer defrost sensor is failed or disconnected

Cool Select Room defrost sensor is failed or loose

Freezer temperature sensor is open, shorted, or disconnected

Outside air temperature sensor has failed or lost connection

14E

Fridge section ice maker sensor is open, shorted, or out of range

22E

Fridge fan motor stopped or lost feedback signal

Fridge temperature sensor is open, shorted, or out of range

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