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Samsung Refrigerators2021–present

Error Code 64

Power supply is too low

Moderate

Address soon - your appliance may not work properly

Also displayed as: F/R

What This Means

Low AC power supply voltage; Outlet wiring problem; Power cord damaged; PCB power supply issue

What actually causes this:

Electricity supply is weak or power cord is damaged

First Thing to Check

Check if the outlet has proper voltage with a voltmeter

Parts Involved

Power supply circuitAC input power cord

How to Fix

  1. 1

    1. Check input AC voltage at outlet: should be 110-127V

  2. 2

    2. Measure voltage at AC 60V check point

  3. 3

    3. Verify power cord is not damaged

  4. 4

    4. Check SMPS PCB output voltages

This Error Applies To

Samsung RF22A4 Series Refrigerators (2021) (2021–present)

Service manual exact match: RF22A4221SG/AAService manual exact match: RF22A4121SG/AAService manual exact match: RF22A4110SG/AAService manual exact match: RF22A4220SG/AAService manual exact match: RF22A4111SG/AAService manual exact match: RF22A4010SG/AAService manual exact match: RF22A4221SR/AAService manual exact match: RF22A4121SR/AA+2 more

Related Error Codes

41

Control panel cannot talk to main circuit board

44

Main board cannot control the compressor

52A

Freezer is not cold enough

62

Cannot detect compressor motor position

66

Inverter board is too hot

13

Humidity level cannot be monitored

33

Water in dispenser tank cannot be heated

61

Compressor protection circuit activated

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