What does error code POWER mean on a Samsung RS25J500DSR?

Complete loss of electrical power to refrigerator control system Main fuse blown; Power cord disconnected; Electrical service fault; Inverter PCB failure

How do I fix error code POWER on my Samsung RS25J500DSR?

1. undefined: Check AC fuse on PCB (AC 250V 5.0A) 2. undefined: Measure DC 300V between bridge rectifier ends (BD1+, -) 3. undefined: Verify DC 13.2V at C121 and DC 15V at C108

Samsung RS25J500DSRRefrigerator

Error Code POWER

Complete loss of electrical power to refrigerator control system

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: LED display off

What This Means

Main fuse blown; Power cord disconnected; Electrical service fault; Inverter PCB failure

What actually causes this:

Main fuse blows from power surge or inverter board short circuit

First Thing to Check

Verify mains power present and check AC fuse on inverter PCB

Parts Involved

Fuse (AC 250V 5.0A)Bridge RectifierVoltage Regulators (REG1-7815, REG2-5V LDO, REG3-5V LDO)Inverter PCB

How to Fix

1
Check AC fuse on PCB (AC 250V 5.0A)
2
Measure DC 300V between bridge rectifier ends (BD1+, -)
3
Verify DC 13.2V at C121 and DC 15V at C108

Other Error Codes for RS25J500DSR

Defrost heater temperature sensing not working

Damper heater not responding or circuit open

Compressor fails to operate or protection activated

Ice maker sensor malfunction or connection issue

Ice maker ejection or level detection malfunction

Freezer evaporator fan not operating properly

Refrigerator compartment temperature measurement failure

Freezer temperature sensor not responding

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